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[patch] comment cleanup


Mainly, enforce "period and two spaces" for sentences in comments.
Also break up some long lines.

Checked in as obvious.

2010-12-28  Michael Snyder  <msnyder@vmware.com>

	* event-loop.c: Comment clean-up.
	* event-loop.h: Ditto.
	* event-top.c: Ditto.
	* gdb.c: Ditto.
	* gdb.h: Ditto.
	* main.c: Ditto.
	* top.c: Ditto.
	* top.h: Ditto.	

Index: event-loop.c
===================================================================
RCS file: /cvs/src/src/gdb/event-loop.c,v
retrieving revision 1.45
diff -u -p -r1.45 event-loop.c
--- event-loop.c	25 May 2010 15:48:43 -0000	1.45
+++ event-loop.c	29 Dec 2010 00:53:53 -0000
@@ -16,7 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "event-loop.h"
@@ -38,8 +38,8 @@
 #include "gdb_assert.h"
 #include "gdb_select.h"
 
-/* Tell create_file_handler what events we are interested in. 
-   This is used by the select version of the event loop. */
+/* Tell create_file_handler what events we are interested in.
+   This is used by the select version of the event loop.  */
 
 #define GDB_READABLE	(1<<1)
 #define GDB_WRITABLE	(1<<2)
@@ -56,12 +56,12 @@ typedef struct gdb_event gdb_event;
 typedef void (event_handler_func) (event_data);
 
 /* Event for the GDB event system.  Events are queued by calling
-   async_queue_event and serviced later on by gdb_do_one_event. An
+   async_queue_event and serviced later on by gdb_do_one_event.  An
    event can be, for instance, a file descriptor becoming ready to be
    read.  Servicing an event simply means that the procedure PROC will
    be called.  We have 2 queues, one for file handlers that we listen
    to in the event loop, and one for the file handlers+events that are
-   ready. The procedure PROC associated with each event is dependant
+   ready.  The procedure PROC associated with each event is dependant
    of the event source.  In the case of monitored file descriptors, it
    is always the same (handle_file_event).  Its duty is to invoke the
    handler associated with the file descriptor whose state change
@@ -82,36 +82,39 @@ struct gdb_event
   };
 
 /* Information about each file descriptor we register with the event
-   loop. */
+   loop.  */
 
 typedef struct file_handler
   {
-    int fd;			/* File descriptor. */
-    int mask;			/* Events we want to monitor: POLLIN, etc. */
+    int fd;			/* File descriptor.  */
+    int mask;			/* Events we want to monitor: POLLIN, etc.  */
     int ready_mask;		/* Events that have been seen since
-				   the last time. */
-    handler_func *proc;		/* Procedure to call when fd is ready. */
-    gdb_client_data client_data;	/* Argument to pass to proc. */
-    int error;			/* Was an error detected on this fd? */
-    struct file_handler *next_file;	/* Next registered file descriptor. */
+				   the last time.  */
+    handler_func *proc;		/* Procedure to call when fd is ready.  */
+    gdb_client_data client_data;	/* Argument to pass to proc.  */
+    int error;			/* Was an error detected on this fd?  */
+    struct file_handler *next_file;	/* Next registered file descriptor.  */
   }
 file_handler;
 
-/* PROC is a function to be invoked when the READY flag is set. This
+/* PROC is a function to be invoked when the READY flag is set.  This
    happens when there has been a signal and the corresponding signal
-   handler has 'triggered' this async_signal_handler for
-   execution. The actual work to be done in response to a signal will
-   be carried out by PROC at a later time, within process_event. This
-   provides a deferred execution of signal handlers.
+   handler has 'triggered' this async_signal_handler for execution.
+   The actual work to be done in response to a signal will be carried
+   out by PROC at a later time, within process_event.  This provides a
+   deferred execution of signal handlers.
+
    Async_init_signals takes care of setting up such an
-   async_signal_handler for each interesting signal. */
+   async_signal_handler for each interesting signal.  */
+
 typedef struct async_signal_handler
   {
-    int ready;			/* If ready, call this handler from the main event loop, 
-				   using invoke_async_handler. */
-    struct async_signal_handler *next_handler;	/* Ptr to next handler */
-    sig_handler_func *proc;	/* Function to call to do the work */
-    gdb_client_data client_data;	/* Argument to async_handler_func */
+    int ready;			    /* If ready, call this handler
+				       from the main event loop, using
+				       invoke_async_handler.  */
+    struct async_signal_handler *next_handler;	/* Ptr to next handler.  */
+    sig_handler_func *proc;	    /* Function to call to do the work.  */
+    gdb_client_data client_data;    /* Argument to async_handler_func.  */
   }
 async_signal_handler;
 
@@ -140,7 +143,7 @@ async_event_handler;
 
 
 /* Event queue:  
-   - the first event in the queue is the head of the queue. 
+   - the first event in the queue is the head of the queue.
    It will be the next to be serviced.
    - the last event in the queue 
 
@@ -150,25 +153,25 @@ async_event_handler;
    the queue will be processed in a last in first out fashion, while
    those inserted at the tail of the queue will be processed in a first
    in first out manner.  All the fields are NULL if the queue is
-   empty. */
+   empty.  */
 
 static struct
   {
-    gdb_event *first_event;	/* First pending event */
-    gdb_event *last_event;	/* Last pending event */
+    gdb_event *first_event;	/* First pending event.  */
+    gdb_event *last_event;	/* Last pending event.  */
   }
 event_queue;
 
 /* Gdb_notifier is just a list of file descriptors gdb is interested in.
    These are the input file descriptor, and the target file
-   descriptor. We have two flavors of the notifier, one for platforms
+   descriptor.  We have two flavors of the notifier, one for platforms
    that have the POLL function, the other for those that don't, and
-   only support SELECT. Each of the elements in the gdb_notifier list is
+   only support SELECT.  Each of the elements in the gdb_notifier list is
    basically a description of what kind of events gdb is interested
-   in, for each fd. */
+   in, for each fd.  */
 
 /* As of 1999-04-30 only the input file descriptor is registered with the
-   event loop. */
+   event loop.  */
 
 /* Do we use poll or select ? */
 #ifdef HAVE_POLL
@@ -186,79 +189,79 @@ static unsigned char use_poll = USE_POLL
 
 static struct
   {
-    /* Ptr to head of file handler list. */
+    /* Ptr to head of file handler list.  */
     file_handler *first_file_handler;
 
 #ifdef HAVE_POLL
-    /* Ptr to array of pollfd structures. */
+    /* Ptr to array of pollfd structures.  */
     struct pollfd *poll_fds;
 
-    /* Timeout in milliseconds for calls to poll(). */
+    /* Timeout in milliseconds for calls to poll().  */
     int poll_timeout;
 #endif
 
     /* Masks to be used in the next call to select.
-       Bits are set in response to calls to create_file_handler. */
+       Bits are set in response to calls to create_file_handler.  */
     fd_set check_masks[3];
 
-    /* What file descriptors were found ready by select. */
+    /* What file descriptors were found ready by select.  */
     fd_set ready_masks[3];
 
-    /* Number of file descriptors to monitor. (for poll) */
-    /* Number of valid bits (highest fd value + 1). (for select) */
+    /* Number of file descriptors to monitor (for poll).  */
+    /* Number of valid bits (highest fd value + 1) (for select).  */
     int num_fds;
 
-    /* Time structure for calls to select(). */
+    /* Time structure for calls to select().  */
     struct timeval select_timeout;
 
-    /* Flag to tell whether the timeout should be used. */
+    /* Flag to tell whether the timeout should be used.  */
     int timeout_valid;
   }
 gdb_notifier;
 
-/* Structure associated with a timer. PROC will be executed at the
-   first occasion after WHEN. */
+/* Structure associated with a timer.  PROC will be executed at the
+   first occasion after WHEN.  */
 struct gdb_timer
   {
     struct timeval when;
     int timer_id;
     struct gdb_timer *next;
-    timer_handler_func *proc;	/* Function to call to do the work */
-    gdb_client_data client_data;	/* Argument to async_handler_func */
+    timer_handler_func *proc;	    /* Function to call to do the work.  */
+    gdb_client_data client_data;    /* Argument to async_handler_func.  */
   };
 
-/* List of currently active timers. It is sorted in order of
-   increasing timers. */
+/* List of currently active timers.  It is sorted in order of
+   increasing timers.  */
 static struct
   {
-    /* Pointer to first in timer list. */
+    /* Pointer to first in timer list.  */
     struct gdb_timer *first_timer;
 
-    /* Id of the last timer created. */
+    /* Id of the last timer created.  */
     int num_timers;
   }
 timer_list;
 
 /* All the async_signal_handlers gdb is interested in are kept onto
-   this list. */
+   this list.  */
 static struct
   {
-    /* Pointer to first in handler list. */
+    /* Pointer to first in handler list.  */
     async_signal_handler *first_handler;
 
-    /* Pointer to last in handler list. */
+    /* Pointer to last in handler list.  */
     async_signal_handler *last_handler;
   }
 sighandler_list;
 
 /* All the async_event_handlers gdb is interested in are kept onto
-   this list. */
+   this list.  */
 static struct
   {
-    /* Pointer to first in handler list. */
+    /* Pointer to first in handler list.  */
     async_event_handler *first_handler;
 
-    /* Pointer to last in handler list. */
+    /* Pointer to last in handler list.  */
     async_event_handler *last_handler;
   }
 async_event_handler_list;
@@ -276,18 +279,18 @@ static void poll_timers (void);
    the specified position.
    POSITION can be head or tail, with values TAIL, HEAD.
    EVENT_PTR points to the event to be inserted into the queue.
-   The caller must allocate memory for the event. It is freed
+   The caller must allocate memory for the event.  It is freed
    after the event has ben handled.
    Events in the queue will be processed head to tail, therefore,
    events inserted at the head of the queue will be processed
-   as last in first out. Event appended at the tail of the queue
-   will be processed first in first out. */
+   as last in first out.  Event appended at the tail of the queue
+   will be processed first in first out.  */
 static void
 async_queue_event (gdb_event * event_ptr, queue_position position)
 {
   if (position == TAIL)
     {
-      /* The event will become the new last_event. */
+      /* The event will become the new last_event.  */
 
       event_ptr->next_event = NULL;
       if (event_queue.first_event == NULL)
@@ -298,7 +301,7 @@ async_queue_event (gdb_event * event_ptr
     }
   else if (position == HEAD)
     {
-      /* The event becomes the new first_event. */
+      /* The event becomes the new first_event.  */
 
       event_ptr->next_event = event_queue.first_event;
       if (event_queue.first_event == NULL)
@@ -324,9 +327,9 @@ create_event (event_handler_func proc, e
 }
 
 /* Create a file event, to be enqueued in the event queue for
-   processing. The procedure associated to this event is always
+   processing.  The procedure associated to this event is always
    handle_file_event, which will in turn invoke the one that was
-   associated to FD when it was registered with the event loop. */
+   associated to FD when it was registered with the event loop.  */
 static gdb_event *
 create_file_event (int fd)
 {
@@ -344,7 +347,7 @@ create_file_event (int fd)
    0 is returned.
    Scan the queue from head to tail, processing therefore the high
    priority events first, by invoking the associated event handler
-   procedure. */
+   procedure.  */
 static int
 process_event (void)
 {
@@ -353,19 +356,19 @@ process_event (void)
   event_data data;
 
   /* First let's see if there are any asynchronous event handlers that
-     are ready. These would be the result of invoking any of the
-     signal handlers. */
+     are ready.  These would be the result of invoking any of the
+     signal handlers.  */
 
   if (invoke_async_signal_handlers ())
     return 1;
 
   /* Look in the event queue to find an event that is ready
-     to be processed. */
+     to be processed.  */
 
   for (event_ptr = event_queue.first_event; event_ptr != NULL;
        event_ptr = event_ptr->next_event)
     {
-      /* Call the handler for the event. */
+      /* Call the handler for the event.  */
 
       proc = event_ptr->proc;
       data = event_ptr->data;
@@ -373,9 +376,9 @@ process_event (void)
       /* Let's get rid of the event from the event queue.  We need to
          do this now because while processing the event, the proc
          function could end up calling 'error' and therefore jump out
-         to the caller of this function, gdb_do_one_event. In that
+         to the caller of this function, gdb_do_one_event.  In that
          case, we would have on the event queue an event wich has been
-         processed, but not deleted. */
+         processed, but not deleted.  */
 
       if (event_queue.first_event == event_ptr)
 	{
@@ -395,12 +398,12 @@ process_event (void)
 	}
       xfree (event_ptr);
 
-      /* Now call the procedure associated with the event. */
+      /* Now call the procedure associated with the event.  */
       (*proc) (data);
       return 1;
     }
 
-  /* this is the case if there are no event on the event queue. */
+  /* This is the case if there are no event on the event queue.  */
   return 0;
 }
 
@@ -408,7 +411,7 @@ process_event (void)
    wait for something to happen (via gdb_wait_for_event), then process
    it.  Returns >0 if something was done otherwise returns <0 (this
    can happen if there are no event sources to wait for).  If an error
-   occurs catch_errors() which calls this function returns zero. */
+   occurs catch_errors() which calls this function returns zero.  */
 
 int
 gdb_do_one_event (void *data)
@@ -429,7 +432,7 @@ gdb_do_one_event (void *data)
 	{
 	case 0:
 	  /* Are any timers that are ready? If so, put an event on the
-	     queue. */
+	     queue.  */
 	  poll_timers ();
 	  break;
 	case 1:
@@ -469,18 +472,18 @@ gdb_do_one_event (void *data)
   return 1;
 }
 
-/* Start up the event loop. This is the entry point to the event loop
-   from the command loop. */
+/* Start up the event loop.  This is the entry point to the event loop
+   from the command loop.  */
 
 void
 start_event_loop (void)
 {
-  /* Loop until there is nothing to do. This is the entry point to the
-     event loop engine. gdb_do_one_event, called via catch_errors()
+  /* Loop until there is nothing to do.  This is the entry point to the
+     event loop engine.  gdb_do_one_event, called via catch_errors()
      will process one event for each invocation.  It blocks waits for
      an event and then processes it.  >0 when an event is processed, 0
      when catch_errors() caught an error and <0 when there are no
-     longer any event sources registered. */
+     longer any event sources registered.  */
   while (1)
     {
       int gdb_result;
@@ -491,7 +494,7 @@ start_event_loop (void)
 
       /* If we long-jumped out of do_one_event, we probably
          didn't get around to resetting the prompt, which leaves
-         readline in a messed-up state.  Reset it here. */
+         readline in a messed-up state.  Reset it here.  */
 
       if (gdb_result == 0)
 	{
@@ -501,7 +504,7 @@ start_event_loop (void)
 	  async_enable_stdin ();
 	  /* FIXME: this should really be a call to a hook that is
 	     interface specific, because interfaces can display the
-	     prompt in their own way. */
+	     prompt in their own way.  */
 	  display_gdb_prompt (0);
 	  /* This call looks bizarre, but it is required.  If the user
 	     entered a command that caused an error,
@@ -512,19 +515,19 @@ start_event_loop (void)
 	  if (after_char_processing_hook)
 	    (*after_char_processing_hook) ();
 	  /* Maybe better to set a flag to be checked somewhere as to
-	     whether display the prompt or not. */
+	     whether display the prompt or not.  */
 	}
     }
 
-  /* We are done with the event loop. There are no more event sources
-     to listen to.  So we exit GDB. */
+  /* We are done with the event loop.  There are no more event sources
+     to listen to.  So we exit GDB.  */
   return;
 }
 
 
 /* Wrapper function for create_file_handler, so that the caller
    doesn't have to know implementation details about the use of poll
-   vs. select. */
+   vs. select.  */
 void
 add_file_handler (int fd, handler_func * proc, gdb_client_data client_data)
 {
@@ -535,11 +538,11 @@ add_file_handler (int fd, handler_func *
   if (use_poll)
     {
 #ifdef HAVE_POLL
-      /* Check to see if poll () is usable. If not, we'll switch to
-         use select. This can happen on systems like
+      /* Check to see if poll () is usable.  If not, we'll switch to
+         use select.  This can happen on systems like
          m68k-motorola-sys, `poll' cannot be used to wait for `stdin'.
          On m68k-motorola-sysv, tty's are not stream-based and not
-         `poll'able. */
+         `poll'able.  */
       fds.fd = fd;
       fds.events = POLLIN;
       if (poll (&fds, 1, 0) == 1 && (fds.revents & POLLNVAL))
@@ -559,26 +562,32 @@ add_file_handler (int fd, handler_func *
 #endif
     }
   else
-    create_file_handler (fd, GDB_READABLE | GDB_EXCEPTION, proc, client_data);
+    create_file_handler (fd, GDB_READABLE | GDB_EXCEPTION, 
+			 proc, client_data);
 }
 
 /* Add a file handler/descriptor to the list of descriptors we are
-   interested in.  
-   FD is the file descriptor for the file/stream to be listened to.  
-   For the poll case, MASK is a combination (OR) of
-   POLLIN, POLLRDNORM, POLLRDBAND, POLLPRI, POLLOUT, POLLWRNORM,
-   POLLWRBAND: these are the events we are interested in. If any of them 
-   occurs, proc should be called.
-   For the select case, MASK is a combination of READABLE, WRITABLE, EXCEPTION.
-   PROC is the procedure that will be called when an event occurs for
-   FD.  CLIENT_DATA is the argument to pass to PROC. */
+   interested in.
+
+   FD is the file descriptor for the file/stream to be listened to.
+
+   For the poll case, MASK is a combination (OR) of POLLIN,
+   POLLRDNORM, POLLRDBAND, POLLPRI, POLLOUT, POLLWRNORM, POLLWRBAND:
+   these are the events we are interested in.  If any of them occurs,
+   proc should be called.
+
+   For the select case, MASK is a combination of READABLE, WRITABLE,
+   EXCEPTION.  PROC is the procedure that will be called when an event
+   occurs for FD.  CLIENT_DATA is the argument to pass to PROC.  */
+
 static void
-create_file_handler (int fd, int mask, handler_func * proc, gdb_client_data client_data)
+create_file_handler (int fd, int mask, handler_func * proc, 
+		     gdb_client_data client_data)
 {
   file_handler *file_ptr;
 
-  /* Do we already have a file handler for this file? (We may be
-     changing its associated procedure). */
+  /* Do we already have a file handler for this file?  (We may be
+     changing its associated procedure).  */
   for (file_ptr = gdb_notifier.first_file_handler; file_ptr != NULL;
        file_ptr = file_ptr->next_file)
     {
@@ -586,8 +595,8 @@ create_file_handler (int fd, int mask, h
 	break;
     }
 
-  /* It is a new file descriptor. Add it to the list. Otherwise, just
-     change the data associated with it. */
+  /* It is a new file descriptor.  Add it to the list.  Otherwise, just
+     change the data associated with it.  */
   if (file_ptr == NULL)
     {
       file_ptr = (file_handler *) xmalloc (sizeof (file_handler));
@@ -644,7 +653,7 @@ create_file_handler (int fd, int mask, h
 }
 
 /* Remove the file descriptor FD from the list of monitored fd's: 
-   i.e. we don't care anymore about events on the FD. */
+   i.e. we don't care anymore about events on the FD.  */
 void
 delete_file_handler (int fd)
 {
@@ -655,7 +664,7 @@ delete_file_handler (int fd)
   struct pollfd *new_poll_fds;
 #endif
 
-  /* Find the entry for the given file. */
+  /* Find the entry for the given file.  */
 
   for (file_ptr = gdb_notifier.first_file_handler; file_ptr != NULL;
        file_ptr = file_ptr->next_file)
@@ -670,11 +679,11 @@ delete_file_handler (int fd)
   if (use_poll)
     {
 #ifdef HAVE_POLL
-      /* Create a new poll_fds array by copying every fd's information but the
-         one we want to get rid of. */
+      /* Create a new poll_fds array by copying every fd's information
+         but the one we want to get rid of.  */
 
-      new_poll_fds =
-	(struct pollfd *) xmalloc ((gdb_notifier.num_fds - 1) * sizeof (struct pollfd));
+      new_poll_fds = (struct pollfd *) 
+	xmalloc ((gdb_notifier.num_fds - 1) * sizeof (struct pollfd));
 
       for (i = 0, j = 0; i < gdb_notifier.num_fds; i++)
 	{
@@ -703,7 +712,7 @@ delete_file_handler (int fd)
       if (file_ptr->mask & GDB_EXCEPTION)
 	FD_CLR (fd, &gdb_notifier.check_masks[2]);
 
-      /* Find current max fd. */
+      /* Find current max fd.  */
 
       if ((fd + 1) == gdb_notifier.num_fds)
 	{
@@ -720,11 +729,11 @@ delete_file_handler (int fd)
     }
 
   /* Deactivate the file descriptor, by clearing its mask, 
-     so that it will not fire again. */
+     so that it will not fire again.  */
 
   file_ptr->mask = 0;
 
-  /* Get rid of the file handler in the file handler list. */
+  /* Get rid of the file handler in the file handler list.  */
   if (file_ptr == gdb_notifier.first_file_handler)
     gdb_notifier.first_file_handler = file_ptr->next_file;
   else
@@ -741,7 +750,7 @@ delete_file_handler (int fd)
 /* Handle the given event by calling the procedure associated to the
    corresponding file handler.  Called by process_event indirectly,
    through event_ptr->proc.  EVENT_FILE_DESC is file descriptor of the
-   event in the front of the event queue. */
+   event in the front of the event queue.  */
 static void
 handle_file_event (event_data data)
 {
@@ -754,21 +763,21 @@ handle_file_event (event_data data)
   int event_file_desc = data.integer;
 
   /* Search the file handler list to find one that matches the fd in
-     the event. */
+     the event.  */
   for (file_ptr = gdb_notifier.first_file_handler; file_ptr != NULL;
        file_ptr = file_ptr->next_file)
     {
       if (file_ptr->fd == event_file_desc)
 	{
 	  /* With poll, the ready_mask could have any of three events
-	     set to 1: POLLHUP, POLLERR, POLLNVAL. These events cannot
-	     be used in the requested event mask (events), but they
-	     can be returned in the return mask (revents). We need to
-	     check for those event too, and add them to the mask which
-	     will be passed to the handler. */
+	     set to 1: POLLHUP, POLLERR, POLLNVAL.  These events
+	     cannot be used in the requested event mask (events), but
+	     they can be returned in the return mask (revents).  We
+	     need to check for those event too, and add them to the
+	     mask which will be passed to the handler.  */
 
 	  /* See if the desired events (mask) match the received
-	     events (ready_mask). */
+	     events (ready_mask).  */
 
 	  if (use_poll)
 	    {
@@ -780,8 +789,8 @@ handle_file_event (event_data data)
 
 	      if (error_mask_returned != 0)
 		{
-		  /* Work in progress. We may need to tell somebody what
-		     kind of error we had. */
+		  /* Work in progress.  We may need to tell somebody
+		     what kind of error we had.  */
 		  if (error_mask_returned & POLLHUP)
 		    printf_unfiltered (_("Hangup detected on fd %d\n"), file_ptr->fd);
 		  if (error_mask_returned & POLLERR)
@@ -809,10 +818,10 @@ handle_file_event (event_data data)
 	      mask = file_ptr->ready_mask & file_ptr->mask;
 	    }
 
-	  /* Clear the received events for next time around. */
+	  /* Clear the received events for next time around.  */
 	  file_ptr->ready_mask = 0;
 
-	  /* If there was a match, then call the handler. */
+	  /* If there was a match, then call the handler.  */
 	  if (mask != 0)
 	    (*file_ptr->proc) (file_ptr->error, file_ptr->client_data);
 	  break;
@@ -823,8 +832,8 @@ handle_file_event (event_data data)
 /* Called by gdb_do_one_event to wait for new events on the monitored
    file descriptors.  Queue file events as they are detected by the
    poll.  If BLOCK and if there are no events, this function will
-   block in the call to poll.  Return -1 if there are no files
-   descriptors to monitor, otherwise return 0. */
+   block in the call to poll.  Return -1 if there are no file
+   descriptors to monitor, otherwise return 0.  */
 static int
 gdb_wait_for_event (int block)
 {
@@ -833,7 +842,7 @@ gdb_wait_for_event (int block)
   int num_found = 0;
   int i;
 
-  /* Make sure all output is done before getting another event. */
+  /* Make sure all output is done before getting another event.  */
   gdb_flush (gdb_stdout);
   gdb_flush (gdb_stderr);
 
@@ -885,7 +894,7 @@ gdb_wait_for_event (int block)
 			      &gdb_notifier.ready_masks[2],
 			      timeout_p);
 
-      /* Clear the masks after an error from select. */
+      /* Clear the masks after an error from select.  */
       if (num_found == -1)
 	{
 	  FD_ZERO (&gdb_notifier.ready_masks[0]);
@@ -899,7 +908,7 @@ gdb_wait_for_event (int block)
 	}
     }
 
-  /* Enqueue all detected file events. */
+  /* Enqueue all detected file events.  */
 
   if (use_poll)
     {
@@ -922,7 +931,7 @@ gdb_wait_for_event (int block)
 	  if (file_ptr)
 	    {
 	      /* Enqueue an event only if this is still a new event for
-	         this fd. */
+	         this fd.  */
 	      if (file_ptr->ready_mask == 0)
 		{
 		  file_event_ptr = create_file_event (file_ptr->fd);
@@ -957,7 +966,7 @@ gdb_wait_for_event (int block)
 	    num_found--;
 
 	  /* Enqueue an event only if this is still a new event for
-	     this fd. */
+	     this fd.  */
 
 	  if (file_ptr->ready_mask == 0)
 	    {
@@ -971,12 +980,12 @@ gdb_wait_for_event (int block)
 }
 
 
-/* Create an asynchronous handler, allocating memory for it. 
+/* Create an asynchronous handler, allocating memory for it.
    Return a pointer to the newly created handler.
    This pointer will be used to invoke the handler by 
    invoke_async_signal_handler.
    PROC is the function to call with CLIENT_DATA argument 
-   whenever the handler is invoked. */
+   whenever the handler is invoked.  */
 async_signal_handler *
 create_async_signal_handler (sig_handler_func * proc, gdb_client_data client_data)
 {
@@ -1005,10 +1014,10 @@ call_async_signal_handler (struct async_
   (*handler->proc) (handler->client_data);
 }
 
-/* Mark the handler (ASYNC_HANDLER_PTR) as ready. This information will
-   be used when the handlers are invoked, after we have waited for
-   some event.  The caller of this function is the interrupt handler
-   associated with a signal. */
+/* Mark the handler (ASYNC_HANDLER_PTR) as ready.  This information
+   will be used when the handlers are invoked, after we have waited
+   for some event.  The caller of this function is the interrupt
+   handler associated with a signal.  */
 void
 mark_async_signal_handler (async_signal_handler * async_handler_ptr)
 {
@@ -1044,7 +1053,7 @@ invoke_async_signal_handlers (void)
   return any_ready;
 }
 
-/* Delete an asynchronous handler (ASYNC_HANDLER_PTR). 
+/* Delete an asynchronous handler (ASYNC_HANDLER_PTR).
    Free the space allocated for it.  */
 void
 delete_async_signal_handler (async_signal_handler ** async_handler_ptr)
@@ -1177,19 +1186,20 @@ delete_async_event_handler (async_event_
   *async_handler_ptr = NULL;
 }
 
-/* Create a timer that will expire in MILLISECONDS from now. When the
-   timer is ready, PROC will be executed. At creation, the timer is
+/* Create a timer that will expire in MILLISECONDS from now.  When the
+   timer is ready, PROC will be executed.  At creation, the timer is
    aded to the timers queue.  This queue is kept sorted in order of
-   increasing timers. Return a handle to the timer struct. */
+   increasing timers.  Return a handle to the timer struct.  */
 int
-create_timer (int milliseconds, timer_handler_func * proc, gdb_client_data client_data)
+create_timer (int milliseconds, timer_handler_func * proc, 
+	      gdb_client_data client_data)
 {
   struct gdb_timer *timer_ptr, *timer_index, *prev_timer;
   struct timeval time_now, delta;
 
-  /* compute seconds */
+  /* Compute seconds.  */
   delta.tv_sec = milliseconds / 1000;
-  /* compute microseconds */
+  /* Compute microseconds.  */
   delta.tv_usec = (milliseconds % 1000) * 1000;
 
   gettimeofday (&time_now, NULL);
@@ -1197,7 +1207,7 @@ create_timer (int milliseconds, timer_ha
   timer_ptr = (struct gdb_timer *) xmalloc (sizeof (*timer_ptr));
   timer_ptr->when.tv_sec = time_now.tv_sec + delta.tv_sec;
   timer_ptr->when.tv_usec = time_now.tv_usec + delta.tv_usec;
-  /* carry? */
+  /* Carry?  */
   if (timer_ptr->when.tv_usec >= 1000000)
     {
       timer_ptr->when.tv_sec += 1;
@@ -1209,14 +1219,14 @@ create_timer (int milliseconds, timer_ha
   timer_ptr->timer_id = timer_list.num_timers;
 
   /* Now add the timer to the timer queue, making sure it is sorted in
-     increasing order of expiration. */
+     increasing order of expiration.  */
 
   for (timer_index = timer_list.first_timer;
        timer_index != NULL;
        timer_index = timer_index->next)
     {
       /* If the seconds field is greater or if it is the same, but the
-         microsecond field is greater. */
+         microsecond field is greater.  */
       if ((timer_index->when.tv_sec > timer_ptr->when.tv_sec)
 	  || ((timer_index->when.tv_sec == timer_ptr->when.tv_sec)
 	      && (timer_index->when.tv_usec > timer_ptr->when.tv_usec)))
@@ -1245,13 +1255,13 @@ create_timer (int milliseconds, timer_ha
 }
 
 /* There is a chance that the creator of the timer wants to get rid of
-   it before it expires. */
+   it before it expires.  */
 void
 delete_timer (int id)
 {
   struct gdb_timer *timer_ptr, *prev_timer = NULL;
 
-  /* Find the entry for the given timer. */
+  /* Find the entry for the given timer.  */
 
   for (timer_ptr = timer_list.first_timer; timer_ptr != NULL;
        timer_ptr = timer_ptr->next)
@@ -1262,7 +1272,7 @@ delete_timer (int id)
 
   if (timer_ptr == NULL)
     return;
-  /* Get rid of the timer in the timer list. */
+  /* Get rid of the timer in the timer list.  */
   if (timer_ptr == timer_list.first_timer)
     timer_list.first_timer = timer_ptr->next;
   else
@@ -1298,11 +1308,11 @@ handle_timer_event (event_data dummy)
 	      && (timer_ptr->when.tv_usec > time_now.tv_usec)))
 	break;
 
-      /* Get rid of the timer from the beginning of the list. */
+      /* Get rid of the timer from the beginning of the list.  */
       timer_list.first_timer = timer_ptr->next;
       saved_timer = timer_ptr;
       timer_ptr = timer_ptr->next;
-      /* Call the procedure associated with that timer. */
+      /* Call the procedure associated with that timer.  */
       (*saved_timer->proc) (saved_timer->client_data);
       xfree (saved_timer);
     }
@@ -1310,12 +1320,12 @@ handle_timer_event (event_data dummy)
   gdb_notifier.timeout_valid = 0;
 }
 
-/* Check whether any timers in the timers queue are ready. If at least
+/* Check whether any timers in the timers queue are ready.  If at least
    one timer is ready, stick an event onto the event queue.  Even in
    case more than one timer is ready, one event is enough, because the
    handle_timer_event() will go through the timers list and call the
-   procedures associated with all that have expired. Update the
-   timeout for the select() or poll() as well. */
+   procedures associated with all that have expired.l Update the
+   timeout for the select() or poll() as well.  */
 static void
 poll_timers (void)
 {
@@ -1327,15 +1337,15 @@ poll_timers (void)
       gettimeofday (&time_now, NULL);
       delta.tv_sec = timer_list.first_timer->when.tv_sec - time_now.tv_sec;
       delta.tv_usec = timer_list.first_timer->when.tv_usec - time_now.tv_usec;
-      /* borrow? */
+      /* Borrow?  */
       if (delta.tv_usec < 0)
 	{
 	  delta.tv_sec -= 1;
 	  delta.tv_usec += 1000000;
 	}
 
-      /* Oops it expired already. Tell select / poll to return
-         immediately. (Cannot simply test if delta.tv_sec is negative
+      /* Oops it expired already.  Tell select / poll to return
+         immediately.  (Cannot simply test if delta.tv_sec is negative
          because time_t might be unsigned.)  */
       if (timer_list.first_timer->when.tv_sec < time_now.tv_sec
 	  || (timer_list.first_timer->when.tv_sec == time_now.tv_sec
@@ -1353,8 +1363,8 @@ poll_timers (void)
 	  async_queue_event (event_ptr, TAIL);
 	}
 
-      /* Now we need to update the timeout for select/ poll, because we
-         don't want to sit there while this timer is expiring. */
+      /* Now we need to update the timeout for select/ poll, because
+         we don't want to sit there while this timer is expiring.  */
       if (use_poll)
 	{
 #ifdef HAVE_POLL
Index: event-loop.h
===================================================================
RCS file: /cvs/src/src/gdb/event-loop.h,v
retrieving revision 1.13
diff -u -p -r1.13 event-loop.h
--- event-loop.h	25 May 2010 15:48:43 -0000	1.13
+++ event-loop.h	29 Dec 2010 00:53:53 -0000
@@ -18,18 +18,18 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-/* An event loop listens for events from multiple event sources. When
+/* An event loop listens for events from multiple event sources.  When
    an event arrives, it is queued and processed by calling the
-   appropriate event handler. The event loop then continues to listen
-   for more events. An event loop completes when there are no event
+   appropriate event handler.  The event loop then continues to listen
+   for more events.  An event loop completes when there are no event
    sources to listen on.  External event sources can be plugged into
    the loop.
 
    There are 4 main components:
-   - a list of file descriptors to be monitored, GDB_NOTIFIER.  
+   - a list of file descriptors to be monitored, GDB_NOTIFIER.
    - a list of asynchronous event sources to be monitored,
      ASYNC_EVENT_HANDLER_LIST.
-   - a list of events that have occurred, EVENT_QUEUE.  
+   - a list of events that have occurred, EVENT_QUEUE.
    - a list of signal handling functions, SIGHANDLER_LIST.
 
    GDB_NOTIFIER keeps track of the file descriptor based event
@@ -64,9 +64,9 @@
    functions that are invoked through traditional signal handlers.
    The actions to be taken is response to such events will be executed
    when the SIGHANDLER_LIST is scanned, the next time through the
-   infinite loop.  
+   infinite loop.
 
-   Corollary tasks are the creation and deletion of event sources. */
+   Corollary tasks are the creation and deletion of event sources.  */
 
 typedef void *gdb_client_data;
 struct async_signal_handler;
@@ -76,14 +76,14 @@ typedef void (sig_handler_func) (gdb_cli
 typedef void (async_event_handler_func) (gdb_client_data);
 typedef void (timer_handler_func) (gdb_client_data);
 
-/* Where to add an event onto the event queue, by queue_event. */
+/* Where to add an event onto the event queue, by queue_event.  */
 typedef enum
   {
-    /* Add at tail of queue. It will be processed in first in first
-       out order. */
+    /* Add at tail of queue.  It will be processed in first in first
+       out order.  */
     TAIL,
-    /* Add at head of queue. It will be processed in last in first out
-       order. */
+    /* Add at head of queue.  It will be processed in last in first
+       out order.  */
     HEAD
   }
 queue_position;
@@ -93,11 +93,15 @@ queue_position;
 extern void start_event_loop (void);
 extern int gdb_do_one_event (void *data);
 extern void delete_file_handler (int fd);
-extern void add_file_handler (int fd, handler_func * proc, gdb_client_data client_data);
+extern void add_file_handler (int fd, handler_func *proc, 
+			      gdb_client_data client_data);
 extern struct async_signal_handler *
-  create_async_signal_handler (sig_handler_func * proc, gdb_client_data client_data);
+  create_async_signal_handler (sig_handler_func *proc, 
+			       gdb_client_data client_data);
 extern void delete_async_signal_handler (struct async_signal_handler **async_handler_ptr);
-extern int create_timer (int milliseconds, timer_handler_func * proc, gdb_client_data client_data);
+extern int create_timer (int milliseconds, 
+			 timer_handler_func *proc, 
+			 gdb_client_data client_data);
 extern void delete_timer (int id);
 
 /* Call the handler from HANDLER immediately.  This function
Index: event-top.c
===================================================================
RCS file: /cvs/src/src/gdb/event-top.c,v
retrieving revision 1.73
diff -u -p -r1.73 event-top.c
--- event-top.c	11 Sep 2010 16:00:25 -0000	1.73
+++ event-top.c	29 Dec 2010 00:53:53 -0000
@@ -18,7 +18,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "top.h"
@@ -34,10 +34,9 @@
 #include "main.h"
 #include "gdbthread.h"
 
-/* For dont_repeat() */
-#include "gdbcmd.h"
+#include "gdbcmd.h"		/* for dont_repeat() */
 
-/* readline include files */
+/* readline include files.  */
 #include "readline/readline.h"
 #include "readline/history.h"
 
@@ -50,7 +49,7 @@ static void change_line_handler (void);
 static void change_annotation_level (void);
 static void command_handler (char *command);
 
-/* Signal handlers. */
+/* Signal handlers.  */
 #ifdef SIGQUIT
 static void handle_sigquit (int sig);
 #endif
@@ -63,7 +62,7 @@ static void handle_sigwinch (int sig);
 #endif
 
 /* Functions to be invoked by the event loop in response to
-   signals. */
+   signals.  */
 #if defined (SIGQUIT) || defined (SIGHUP)
 static void async_do_nothing (gdb_client_data);
 #endif
@@ -76,65 +75,65 @@ static void async_stop_sig (gdb_client_d
 #endif
 
 /* Readline offers an alternate interface, via callback
-   functions. These are all included in the file callback.c in the
+   functions.  These are all included in the file callback.c in the
    readline distribution.  This file provides (mainly) a function, which
    the event loop uses as callback (i.e. event handler) whenever an event
    is detected on the standard input file descriptor.
    readline_callback_read_char is called (by the GDB event loop) whenever
-   there is a new character ready on the input stream. This function
+   there is a new character ready on the input stream.  This function
    incrementally builds a buffer internal to readline where it
    accumulates the line read up to the point of invocation.  In the
    special case in which the character read is newline, the function
    invokes a GDB supplied callback routine, which does the processing of
    a full command line.  This latter routine is the asynchronous analog
-   of the old command_line_input in gdb. Instead of invoking (and waiting
+   of the old command_line_input in gdb.  Instead of invoking (and waiting
    for) readline to read the command line and pass it back to
    command_loop for processing, the new command_line_handler function has
    the command line already available as its parameter.  INPUT_HANDLER is
    to be set to the function that readline will invoke when a complete
    line of input is ready.  CALL_READLINE is to be set to the function
-   that readline offers as callback to the event_loop. */
+   that readline offers as callback to the event_loop.  */
 
 void (*input_handler) (char *);
 void (*call_readline) (gdb_client_data);
 
-/* Important variables for the event loop. */
+/* Important variables for the event loop.  */
 
 /* This is used to determine if GDB is using the readline library or
-   its own simplified form of readline. It is used by the asynchronous
+   its own simplified form of readline.  It is used by the asynchronous
    form of the set editing command.
    ezannoni: as of 1999-04-29 I expect that this
    variable will not be used after gdb is changed to use the event
-   loop as default engine, and event-top.c is merged into top.c. */
+   loop as default engine, and event-top.c is merged into top.c.  */
 int async_command_editing_p;
 
 /* This variable contains the new prompt that the user sets with the
-   set prompt command. */
+   set prompt command.  */
 char *new_async_prompt;
 
 /* This is the annotation suffix that will be used when the
-   annotation_level is 2. */
+   annotation_level is 2.  */
 char *async_annotation_suffix;
 
 /* This is used to display the notification of the completion of an
-   asynchronous execution command. */
+   asynchronous execution command.  */
 int exec_done_display_p = 0;
 
 /* This is the file descriptor for the input stream that GDB uses to
-   read commands from. */
+   read commands from.  */
 int input_fd;
 
-/* This is the prompt stack. Prompts will be pushed on the stack as
+/* This is the prompt stack.  Prompts will be pushed on the stack as
    needed by the different 'kinds' of user inputs GDB is asking
-   for. See event-loop.h. */
+   for.  See event-loop.h.  */
 struct prompts the_prompts;
 
-/* signal handling variables */
+/* Signal handling variables.  */
 /* Each of these is a pointer to a function that the event loop will
-   invoke if the corresponding signal has received. The real signal
+   invoke if the corresponding signal has received.  The real signal
    handlers mark these functions as ready to be executed and the event
-   loop, in a later iteration, calls them. See the function
-   invoke_async_signal_handler. */
+   loop, in a later iteration, calls them.  See the function
+   invoke_async_signal_handler.  */
 void *sigint_token;
 #ifdef SIGHUP
 void *sighup_token;
@@ -151,10 +150,10 @@ void *sigtstp_token;
 #endif
 
 /* Structure to save a partially entered command.  This is used when
-   the user types '\' at the end of a command line. This is necessary
+   the user types '\' at the end of a command line.  This is necessary
    because each line of input is handled by a different call to
    command_line_handler, and normally there is no state retained
-   between different calls. */
+   between different calls.  */
 int more_to_come = 0;
 
 struct readline_input_state
@@ -169,9 +168,9 @@ readline_input_state;
 void (*after_char_processing_hook) ();
 
 
-/* Wrapper function for calling into the readline library. The event
-   loop expects the callback function to have a paramter, while readline 
-   expects none. */
+/* Wrapper function for calling into the readline library.  The event
+   loop expects the callback function to have a paramter, while
+   readline expects none.  */
 static void
 rl_callback_read_char_wrapper (gdb_client_data client_data)
 {
@@ -181,21 +180,21 @@ rl_callback_read_char_wrapper (gdb_clien
 }
 
 /* Initialize all the necessary variables, start the event loop,
-   register readline, and stdin, start the loop. */
+   register readline, and stdin, start the loop.  */
 void
 cli_command_loop (void)
 {
   /* If we are using readline, set things up and display the first
-     prompt, otherwise just print the prompt. */
+     prompt, otherwise just print the prompt.  */
   if (async_command_editing_p)
     {
       int length;
       char *a_prompt;
       char *gdb_prompt = get_prompt ();
 
-      /* Tell readline what the prompt to display is and what function it
-         will need to call after a whole line is read. This also displays
-         the first prompt. */
+      /* Tell readline what the prompt to display is and what function
+         it will need to call after a whole line is read.  This also
+         displays the first prompt.  */
       length = strlen (PREFIX (0)) 
 	+ strlen (gdb_prompt) + strlen (SUFFIX (0)) + 1;
       a_prompt = (char *) alloca (length);
@@ -207,54 +206,54 @@ cli_command_loop (void)
   else
     display_gdb_prompt (0);
 
-  /* Now it's time to start the event loop. */
+  /* Now it's time to start the event loop.  */
   start_event_loop ();
 }
 
 /* Change the function to be invoked every time there is a character
-   ready on stdin. This is used when the user sets the editing off,
+   ready on stdin.  This is used when the user sets the editing off,
    therefore bypassing readline, and letting gdb handle the input
-   itself, via gdb_readline2. Also it is used in the opposite case in
+   itself, via gdb_readline2.  Also it is used in the opposite case in
    which the user sets editing on again, by restoring readline
-   handling of the input. */
+   handling of the input.  */
 static void
 change_line_handler (void)
 {
-  /* NOTE: this operates on input_fd, not instream. If we are reading
-     commands from a file, instream will point to the file. However in
+  /* NOTE: this operates on input_fd, not instream.  If we are reading
+     commands from a file, instream will point to the file.  However in
      async mode, we always read commands from a file with editing
-     off. This means that the 'set editing on/off' will have effect
-     only on the interactive session. */
+     off.  This means that the 'set editing on/off' will have effect
+     only on the interactive session.  */
 
   if (async_command_editing_p)
     {
-      /* Turn on editing by using readline. */
+      /* Turn on editing by using readline.  */
       call_readline = rl_callback_read_char_wrapper;
       input_handler = command_line_handler;
     }
   else
     {
-      /* Turn off editing by using gdb_readline2. */
+      /* Turn off editing by using gdb_readline2.  */
       rl_callback_handler_remove ();
       call_readline = gdb_readline2;
 
       /* Set up the command handler as well, in case we are called as
-         first thing from .gdbinit. */
+         first thing from .gdbinit.  */
       input_handler = command_line_handler;
     }
 }
 
 /* Displays the prompt. The prompt that is displayed is the current
    top of the prompt stack, if the argument NEW_PROMPT is
-   0. Otherwise, it displays whatever NEW_PROMPT is. This is used
+   0. Otherwise, it displays whatever NEW_PROMPT is.  This is used
    after each gdb command has completed, and in the following cases:
-   1. when the user enters a command line which is ended by '\'
+   1. When the user enters a command line which is ended by '\'
    indicating that the command will continue on the next line.
    In that case the prompt that is displayed is the empty string.
    2. When the user is entering 'commands' for a breakpoint, or
-   actions for a tracepoint. In this case the prompt will be '>'
+   actions for a tracepoint.  In this case the prompt will be '>'
    3. Other????
-   FIXME: 2. & 3. not implemented yet for async. */
+   FIXME: 2. & 3. not implemented yet for async.  */
 void
 display_gdb_prompt (char *new_prompt)
 {
@@ -276,15 +275,15 @@ display_gdb_prompt (char *new_prompt)
          function, readline still tries to do its own display if we
          don't call rl_callback_handler_install and
          rl_callback_handler_remove (which readline detects because a
-         global variable is not set). If readline did that, it could
+         global variable is not set).  If readline did that, it could
          mess up gdb signal handlers for SIGINT.  Readline assumes
          that between calls to rl_set_signals and rl_clear_signals gdb
-         doesn't do anything with the signal handlers. Well, that's
+         doesn't do anything with the signal handlers.  Well, that's
          not the case, because when the target executes we change the
-         SIGINT signal handler. If we allowed readline to display the
+         SIGINT signal handler.  If we allowed readline to display the
          prompt, the signal handler change would happen exactly
          between the calls to the above two functions.
-         Calling rl_callback_handler_remove(), does the job. */
+         Calling rl_callback_handler_remove(), does the job.  */
 
       rl_callback_handler_remove ();
       return;
@@ -292,18 +291,18 @@ display_gdb_prompt (char *new_prompt)
 
   if (!new_prompt)
     {
-      /* Just use the top of the prompt stack. */
+      /* Just use the top of the prompt stack.  */
       prompt_length = strlen (PREFIX (0)) +
 	strlen (SUFFIX (0)) +
 	strlen (gdb_prompt) + 1;
 
       new_prompt = (char *) alloca (prompt_length);
 
-      /* Prefix needs to have new line at end. */
+      /* Prefix needs to have new line at end.  */
       strcpy (new_prompt, PREFIX (0));
       strcat (new_prompt, gdb_prompt);
       /* Suffix needs to have a new line at end and \032 \032 at
-         beginning. */
+         beginning.  */
       strcat (new_prompt, SUFFIX (0));
     }
 
@@ -312,7 +311,8 @@ display_gdb_prompt (char *new_prompt)
       rl_callback_handler_remove ();
       rl_callback_handler_install (new_prompt, input_handler);
     }
-  /* new_prompt at this point can be the top of the stack or the one passed in */
+  /* new_prompt at this point can be the top of the stack or the one
+     passed in.  */
   else if (new_prompt)
     {
       /* Don't use a _filtered function here.  It causes the assumed
@@ -324,10 +324,10 @@ display_gdb_prompt (char *new_prompt)
 }
 
 /* Used when the user requests a different annotation level, with
-   'set annotate'. It pushes a new prompt (with prefix and suffix) on top
+   'set annotate'.  It pushes a new prompt (with prefix and suffix) on top
    of the prompt stack, if the annotation level desired is 2, otherwise
    it pops the top of the prompt stack when we want the annotation level
-   to be the normal ones (1 or 0). */
+   to be the normal ones (1 or 0).  */
 static void
 change_annotation_level (void)
 {
@@ -336,7 +336,7 @@ change_annotation_level (void)
   if (!PREFIX (0) || !PROMPT (0) || !SUFFIX (0))
     {
       /* The prompt stack has not been initialized to "", we are
-         using gdb w/o the --async switch */
+         using gdb w/o the --async switch.  */
       warning (_("Command has same effect as set annotate"));
       return;
     }
@@ -345,7 +345,7 @@ change_annotation_level (void)
     {
       if (!strcmp (PREFIX (0), "") && !strcmp (SUFFIX (0), ""))
 	{
-	  /* Push a new prompt if the previous annotation_level was not >1. */
+	  /* Push a new prompt if the previous annotation_level was not >1.  */
 	  prefix = (char *) alloca (strlen (async_annotation_suffix) + 10);
 	  strcpy (prefix, "\n\032\032pre-");
 	  strcat (prefix, async_annotation_suffix);
@@ -363,16 +363,16 @@ change_annotation_level (void)
     {
       if (strcmp (PREFIX (0), "") && strcmp (SUFFIX (0), ""))
 	{
-	  /* Pop the top of the stack, we are going back to annotation < 1. */
+	  /* Pop the top of the stack, we are going back to annotation < 1.  */
 	  pop_prompt ();
 	}
     }
 }
 
-/* Pushes a new prompt on the prompt stack. Each prompt has three
-   parts: prefix, prompt, suffix. Usually prefix and suffix are empty
-   strings, except when the annotation level is 2. Memory is allocated
-   within xstrdup for the new prompt. */
+/* Pushes a new prompt on the prompt stack.  Each prompt has three
+   parts: prefix, prompt, suffix.  Usually prefix and suffix are empty
+   strings, except when the annotation level is 2.  Memory is allocated
+   within xstrdup for the new prompt.  */
 void
 push_prompt (char *prefix, char *prompt, char *suffix)
 {
@@ -380,8 +380,8 @@ push_prompt (char *prefix, char *prompt,
   PREFIX (0) = xstrdup (prefix);
 
   /* Note that this function is used by the set annotate 2
-     command. This is why we take care of saving the old prompt
-     in case a new one is not specified. */
+     command.  This is why we take care of saving the old prompt
+     in case a new one is not specified.  */
   if (prompt)
     PROMPT (0) = xstrdup (prompt);
   else
@@ -390,17 +390,18 @@ push_prompt (char *prefix, char *prompt,
   SUFFIX (0) = xstrdup (suffix);
 }
 
-/* Pops the top of the prompt stack, and frees the memory allocated for it. */
+/* Pops the top of the prompt stack, and frees the memory allocated
+   for it.  */
 void
 pop_prompt (void)
 {
   /* If we are not during a 'synchronous' execution command, in which
-     case, the top prompt would be empty. */
+     case, the top prompt would be empty.  */
   if (strcmp (PROMPT (0), ""))
     /* This is for the case in which the prompt is set while the
-       annotation level is 2. The top prompt will be changed, but when
+       annotation level is 2.  The top prompt will be changed, but when
        we return to annotation level < 2, we want that new prompt to be
-       in effect, until the user does another 'set prompt'. */
+       in effect, until the user does another 'set prompt'.  */
     if (strcmp (PROMPT (0), PROMPT (-1)))
       {
 	xfree (PROMPT (-1));
@@ -416,7 +417,7 @@ pop_prompt (void)
 /* When there is an event ready on the stdin file desriptor, instead
    of calling readline directly throught the callback function, or
    instead of calling gdb_readline2, give gdb a chance to detect
-   errors and do something. */
+   errors and do something.  */
 void
 stdin_event_handler (int error, gdb_client_data client_data)
 {
@@ -426,7 +427,7 @@ stdin_event_handler (int error, gdb_clie
       delete_file_handler (input_fd);
       discard_all_continuations ();
       discard_all_intermediate_continuations ();
-      /* If stdin died, we may as well kill gdb. */
+      /* If stdin died, we may as well kill gdb.  */
       quit_command ((char *) 0, stdin == instream);
     }
   else
@@ -435,17 +436,17 @@ stdin_event_handler (int error, gdb_clie
 
 /* Re-enable stdin after the end of an execution command in
    synchronous mode, or after an error from the target, and we aborted
-   the exec operation. */
+   the exec operation.  */
 
 void
 async_enable_stdin (void)
 {
   if (sync_execution)
     {
-      /* See NOTE in async_disable_stdin() */
+      /* See NOTE in async_disable_stdin().  */
       /* FIXME: cagney/1999-09-27: Call this before clearing
 	 sync_execution.  Current target_terminal_ours() implementations
-	 check for sync_execution before switching the terminal. */
+	 check for sync_execution before switching the terminal.  */
       target_terminal_ours ();
       pop_prompt ();
       sync_execution = 0;
@@ -453,7 +454,7 @@ async_enable_stdin (void)
 }
 
 /* Disable reads from stdin (the console) marking the command as
-   synchronous. */
+   synchronous.  */
 
 void
 async_disable_stdin (void)
@@ -466,12 +467,12 @@ async_disable_stdin (void)
 }
 
 
-/* Handles a gdb command. This function is called by
+/* Handles a gdb command.  This function is called by
    command_line_handler, which has processed one or more input lines
-   into COMMAND. */
+   into COMMAND.  */
 /* NOTE: 1999-04-30 This is the asynchronous version of the command_loop
    function.  The command_loop function will be obsolete when we
-   switch to use the event loop at every execution of gdb. */
+   switch to use the event loop at every execution of gdb.  */
 static void
 command_handler (char *command)
 {
@@ -482,11 +483,11 @@ command_handler (char *command)
   if (instream == stdin && stdin_is_tty)
     reinitialize_more_filter ();
 
-  /* If readline returned a NULL command, it means that the 
-     connection with the terminal is gone. This happens at the
-     end of a testsuite run, after Expect has hung up 
-     but GDB is still alive. In such a case, we just quit gdb
-     killing the inferior program too. */
+  /* If readline returned a NULL command, it means that the connection
+     with the terminal is gone.  This happens at the end of a
+     testsuite run, after Expect has hung up but GDB is still alive.
+     In such a case, we just quit gdb killing the inferior program
+     too.  */
   if (command == 0)
     {
       printf_unfiltered ("quit\n");
@@ -503,14 +504,15 @@ command_handler (char *command)
   do_cleanups (stat_chain);
 }
 
-/* Handle a complete line of input. This is called by the callback
-   mechanism within the readline library.  Deal with incomplete commands
-   as well, by saving the partial input in a global buffer.  */
+/* Handle a complete line of input.  This is called by the callback
+   mechanism within the readline library.  Deal with incomplete
+   commands as well, by saving the partial input in a global
+   buffer.  */
 
 /* NOTE: 1999-04-30 This is the asynchronous version of the
-   command_line_input function. command_line_input will become
+   command_line_input function; command_line_input will become
    obsolete once we use the event loop as the default mechanism in
-   GDB. */
+   GDB.  */
 static void
 command_line_handler (char *rl)
 {
@@ -555,7 +557,8 @@ command_line_handler (char *rl)
 #endif
 
   /* Make sure that all output has been output.  Some machines may let
-     you get away with leaving out some of the gdb_flush, but not all.  */
+     you get away with leaving out some of the gdb_flush, but not
+     all.  */
   wrap_here ("");
   gdb_flush (gdb_stdout);
   gdb_flush (gdb_stderr);
@@ -564,12 +567,12 @@ command_line_handler (char *rl)
     ++source_line_number;
 
   /* If we are in this case, then command_handler will call quit 
-     and exit from gdb. */
+     and exit from gdb.  */
   if (!rl || rl == (char *) EOF)
     {
       got_eof = 1;
       command_handler (0);
-      return;			/* Lint. */
+      return;			/* Lint.  */
     }
   if (strlen (rl) + 1 + (p - linebuffer) > linelength)
     {
@@ -580,7 +583,7 @@ command_line_handler (char *rl)
     }
   p1 = rl;
   /* Copy line.  Don't copy null at end.  (Leaves line alone
-     if this was just a newline)  */
+     if this was just a newline).  */
   while (*p1)
     *p++ = *p1++;
 
@@ -595,8 +598,8 @@ command_line_handler (char *rl)
       readline_input_state.linebuffer_ptr = p;
 
       /* We will not invoke a execute_command if there is more
-	 input expected to complete the command. So, we need to
-	 print an empty prompt here. */
+	 input expected to complete the command.  So, we need to
+	 print an empty prompt here.  */
       more_to_come = 1;
       push_prompt ("", "", "");
       display_gdb_prompt (0);
@@ -654,9 +657,8 @@ command_line_handler (char *rl)
       xfree (history_value);
     }
 
-  /* If we just got an empty line, and that is supposed
-     to repeat the previous command, return the value in the
-     global buffer.  */
+  /* If we just got an empty line, and that is supposed to repeat the
+     previous command, return the value in the global buffer.  */
   if (repeat && p == linebuffer && *p != '\\')
     {
       command_handler (line);
@@ -686,7 +688,7 @@ command_line_handler (char *rl)
      and remove the '#'.  The kill ring is probably better, but some
      people are in the habit of commenting things out.  */
   if (*p1 == '#')
-    *p1 = '\0';			/* Found a comment. */
+    *p1 = '\0';			/* Found a comment.  */
 
   /* Save into global buffer if appropriate.  */
   if (repeat)
@@ -711,11 +713,11 @@ command_line_handler (char *rl)
 }
 
 /* Does reading of input from terminal w/o the editing features
-   provided by the readline library. */
+   provided by the readline library.  */
 
-/* NOTE: 1999-04-30 Asynchronous version of gdb_readline. gdb_readline
+/* NOTE: 1999-04-30 Asynchronous version of gdb_readline; gdb_readline
    will become obsolete when the event loop is made the default
-   execution for gdb. */
+   execution for gdb.  */
 void
 gdb_readline2 (gdb_client_data client_data)
 {
@@ -726,11 +728,11 @@ gdb_readline2 (gdb_client_data client_da
   static int done_once = 0;
 
   /* Unbuffer the input stream, so that, later on, the calls to fgetc
-     fetch only one char at the time from the stream. The fgetc's will
+     fetch only one char at the time from the stream.  The fgetc's will
      get up to the first newline, but there may be more chars in the
-     stream after '\n'. If we buffer the input and fgetc drains the
+     stream after '\n'.  If we buffer the input and fgetc drains the
      stream, getting stuff beyond the newline as well, a select, done
-     afterwards will not trigger. */
+     afterwards will not trigger.  */
   if (!done_once && !ISATTY (instream))
     {
       setbuf (instream, NULL);
@@ -742,9 +744,9 @@ gdb_readline2 (gdb_client_data client_da
   /* We still need the while loop here, even though it would seem
      obvious to invoke gdb_readline2 at every character entered.  If
      not using the readline library, the terminal is in cooked mode,
-     which sends the characters all at once. Poll will notice that the
-     input fd has changed state only after enter is pressed. At this
-     point we still need to fetch all the chars entered. */
+     which sends the characters all at once.  Poll will notice that the
+     input fd has changed state only after enter is pressed.  At this
+     point we still need to fetch all the chars entered.  */
 
   while (1)
     {
@@ -755,9 +757,9 @@ gdb_readline2 (gdb_client_data client_da
       if (c == EOF)
 	{
 	  if (input_index > 0)
-	    /* The last line does not end with a newline.  Return it, and
-	       if we are called again fgetc will still return EOF and
-	       we'll return NULL then.  */
+	    /* The last line does not end with a newline.  Return it,
+	       and if we are called again fgetc will still return EOF
+	       and we'll return NULL then.  */
 	    break;
 	  xfree (result);
 	  (*input_handler) (0);
@@ -785,17 +787,17 @@ gdb_readline2 (gdb_client_data client_da
 
 
 /* Initialization of signal handlers and tokens.  There is a function
-   handle_sig* for each of the signals GDB cares about. Specifically:
+   handle_sig* for each of the signals GDB cares about.  Specifically:
    SIGINT, SIGFPE, SIGQUIT, SIGTSTP, SIGHUP, SIGWINCH.  These
    functions are the actual signal handlers associated to the signals
    via calls to signal().  The only job for these functions is to
    enqueue the appropriate event/procedure with the event loop.  Such
-   procedures are the old signal handlers. The event loop will take
+   procedures are the old signal handlers.  The event loop will take
    care of invoking the queued procedures to perform the usual tasks
-   associated with the reception of the signal. */
+   associated with the reception of the signal.  */
 /* NOTE: 1999-04-30 This is the asynchronous version of init_signals.
    init_signals will become obsolete as we move to have to event loop
-   as the default for gdb. */
+   as the default for gdb.  */
 void
 async_init_signals (void)
 {
@@ -853,8 +855,8 @@ mark_async_signal_handler_wrapper (void 
   mark_async_signal_handler ((struct async_signal_handler *) token);
 }
 
-/* Tell the event loop what to do if SIGINT is received. 
-   See event-signal.c. */
+/* Tell the event loop what to do if SIGINT is received.
+   See event-signal.c.  */
 void
 handle_sigint (int sig)
 {
@@ -862,19 +864,19 @@ handle_sigint (int sig)
 
   /* We could be running in a loop reading in symfiles or something so
      it may be quite a while before we get back to the event loop.  So
-     set quit_flag to 1 here. Then if QUIT is called before we get to
+     set quit_flag to 1 here.  Then if QUIT is called before we get to
      the event loop, we will unwind as expected.  */
 
   quit_flag = 1;
 
   /* If immediate_quit is set, we go ahead and process the SIGINT right
-     away, even if we usually would defer this to the event loop. The
+     away, even if we usually would defer this to the event loop.  The
      assumption here is that it is safe to process ^C immediately if
-     immediate_quit is set. If we didn't, SIGINT would be really
+     immediate_quit is set.  If we didn't, SIGINT would be really
      processed only the next time through the event loop.  To get to
      that point, though, the command that we want to interrupt needs to
      finish first, which is unacceptable.  If immediate quit is not set,
-     we process SIGINT the next time through the loop, which is fine. */
+     we process SIGINT the next time through the loop, which is fine.  */
   gdb_call_async_signal_handler (sigint_token, immediate_quit);
 }
 
@@ -887,7 +889,7 @@ handle_sigterm (int sig)
   quit_force ((char *) 0, stdin == instream);
 }
 
-/* Do the quit. All the checks have been done by the caller. */
+/* Do the quit.  All the checks have been done by the caller.  */
 void
 async_request_quit (gdb_client_data arg)
 {
@@ -895,15 +897,15 @@ async_request_quit (gdb_client_data arg)
      back here, that means that an exception was thrown to unwind the
      current command before we got back to the event loop.  So there
      is no reason to call quit again here, unless immediate_quit is
-     set.*/
+     set.  */
 
   if (quit_flag || immediate_quit)
     quit ();
 }
 
 #ifdef SIGQUIT
-/* Tell the event loop what to do if SIGQUIT is received. 
-   See event-signal.c. */
+/* Tell the event loop what to do if SIGQUIT is received.
+   See event-signal.c.  */
 static void
 handle_sigquit (int sig)
 {
@@ -918,13 +920,13 @@ handle_sigquit (int sig)
 static void
 async_do_nothing (gdb_client_data arg)
 {
-  /* Empty function body. */
+  /* Empty function body.  */
 }
 #endif
 
 #ifdef SIGHUP
-/* Tell the event loop what to do if SIGHUP is received. 
-   See event-signal.c. */
+/* Tell the event loop what to do if SIGHUP is received.
+   See event-signal.c.  */
 static void
 handle_sighup (int sig)
 {
@@ -932,14 +934,14 @@ handle_sighup (int sig)
   signal (sig, handle_sighup);
 }
 
-/* Called by the event loop to process a SIGHUP */
+/* Called by the event loop to process a SIGHUP.  */
 static void
 async_disconnect (gdb_client_data arg)
 {
   catch_errors (quit_cover, NULL,
 		"Could not kill the program being debugged",
 		RETURN_MASK_ALL);
-  signal (SIGHUP, SIG_DFL);	/*FIXME: ??????????? */
+  signal (SIGHUP, SIG_DFL);	/*FIXME: ???????????  */
   raise (SIGHUP);
 }
 #endif
@@ -977,13 +979,14 @@ async_stop_sig (gdb_client_data arg)
   printf_unfiltered ("%s", prompt);
   gdb_flush (gdb_stdout);
 
-  /* Forget about any previous command -- null line now will do nothing.  */
+  /* Forget about any previous command -- null line now will do
+     nothing.  */
   dont_repeat ();
 }
 #endif /* STOP_SIGNAL */
 
-/* Tell the event loop what to do if SIGFPE is received. 
-   See event-signal.c. */
+/* Tell the event loop what to do if SIGFPE is received.
+   See event-signal.c.  */
 static void
 handle_sigfpe (int sig)
 {
@@ -991,17 +994,17 @@ handle_sigfpe (int sig)
   signal (sig, handle_sigfpe);
 }
 
-/* Event loop will call this functin to process a SIGFPE. */
+/* Event loop will call this functin to process a SIGFPE.  */
 static void
 async_float_handler (gdb_client_data arg)
 {
-  /* This message is based on ANSI C, section 4.7. Note that integer
-     divide by zero causes this, so "float" is a misnomer. */
+  /* This message is based on ANSI C, section 4.7.  Note that integer
+     divide by zero causes this, so "float" is a misnomer.  */
   error (_("Erroneous arithmetic operation."));
 }
 
-/* Tell the event loop what to do if SIGWINCH is received. 
-   See event-signal.c. */
+/* Tell the event loop what to do if SIGWINCH is received.
+   See event-signal.c.  */
 #if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
 static void
 handle_sigwinch (int sig)
@@ -1014,14 +1017,16 @@ handle_sigwinch (int sig)
 
 /* Called by do_setshow_command.  */
 void
-set_async_editing_command (char *args, int from_tty, struct cmd_list_element *c)
+set_async_editing_command (char *args, int from_tty,
+			   struct cmd_list_element *c)
 {
   change_line_handler ();
 }
 
 /* Called by do_setshow_command.  */
 void
-set_async_annotation_level (char *args, int from_tty, struct cmd_list_element *c)
+set_async_annotation_level (char *args, int from_tty,
+			    struct cmd_list_element *c)
 {
   change_annotation_level ();
 }
@@ -1035,7 +1040,7 @@ set_async_prompt (char *args, int from_t
 
 /* Set things up for readline to be invoked via the alternate
    interface, i.e. via a callback function (rl_callback_read_char),
-   and hook up instream to the event loop. */
+   and hook up instream to the event loop.  */
 void
 gdb_setup_readline (void)
 {
@@ -1054,7 +1059,7 @@ gdb_setup_readline (void)
      editing.  */
   if (ISATTY (instream))
     {
-      /* Tell gdb that we will be using the readline library. This
+      /* Tell gdb that we will be using the readline library.  This
 	 could be overwritten by a command in .gdbinit like 'set
 	 editing on' or 'off'.  */
       async_command_editing_p = 1;
@@ -1070,11 +1075,11 @@ gdb_setup_readline (void)
     }
   
   /* When readline has read an end-of-line character, it passes the
-     complete line to gdb for processing. command_line_handler is the
+     complete line to gdb for processing; command_line_handler is the
      function that does this.  */
   input_handler = command_line_handler;
       
-  /* Tell readline to use the same input stream that gdb uses. */
+  /* Tell readline to use the same input stream that gdb uses.  */
   rl_instream = instream;
 
   /* Get a file descriptor for the input stream, so that we can
@@ -1084,7 +1089,7 @@ gdb_setup_readline (void)
   /* Now we need to create the event sources for the input file
      descriptor.  */
   /* At this point in time, this is the only event source that we
-     register with the even loop. Another source is going to be the
+     register with the even loop.  Another source is going to be the
      target program (inferior), but that must be registered only when
      it actually exists (I.e. after we say 'run' or after we connect
      to a remote target.  */
Index: gdb.c
===================================================================
RCS file: /cvs/src/src/gdb/gdb.c,v
retrieving revision 1.9
diff -u -p -r1.9 gdb.c
--- gdb.c	14 May 2010 20:17:37 -0000	1.9
+++ gdb.c	29 Dec 2010 00:53:53 -0000
@@ -20,16 +20,21 @@
 #include "main.h"
 #include "gdb_string.h"
 #include "interps.h"
+#include <mcheck.h>
 
 int
 main (int argc, char **argv)
 {
   struct captured_main_args args;
+  int ret;
 
+  mtrace ();
   memset (&args, 0, sizeof args);
   args.argc = argc;
   args.argv = argv;
   args.use_windows = 0;
   args.interpreter_p = INTERP_CONSOLE;
-  return gdb_main (&args);
+  ret = gdb_main (&args);
+  muntrace();
+  return ret;
 }
Index: gdb.h
===================================================================
RCS file: /cvs/src/src/gdb/gdb.h,v
retrieving revision 1.12
diff -u -p -r1.12 gdb.h
--- gdb.h	1 Jan 2010 07:31:32 -0000	1.12
+++ gdb.h	29 Dec 2010 00:53:53 -0000
@@ -32,27 +32,27 @@ enum gdb_rc {
      set to a freshly allocated copy of the error message.  */
   /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
      internal / quit indication it is not possible to return that
-     here. */
+     here.  */
   GDB_RC_FAIL = 0,
-  /* No error occured but nothing happened. Due to the catch_errors()
-     interface, this must be non-zero. */
+  /* No error occured but nothing happened.  Due to the catch_errors()
+     interface, this must be non-zero.  */
   GDB_RC_NONE = 1,
-  /* The operation was successful. Due to the catch_errors()
-     interface, this must be non-zero. */
+  /* The operation was successful.  Due to the catch_errors()
+     interface, this must be non-zero.  */
   GDB_RC_OK = 2
 };
 
 
-/* Print the specified breakpoint on GDB_STDOUT. (Eventually this
-   function will ``print'' the object on ``output''). */
+/* Print the specified breakpoint on GDB_STDOUT.  (Eventually this
+   function will ``print'' the object on ``output'').  */
 enum gdb_rc gdb_breakpoint_query (struct ui_out *uiout, int bnum,
 				  char **error_message);
 
-/* Switch thread and print notification. */
+/* Switch thread and print notification.  */
 enum gdb_rc gdb_thread_select (struct ui_out *uiout, char *tidstr,
 			       char **error_message);
 
-/* Print a list of known thread ids. */
+/* Print a list of known thread ids.  */
 enum gdb_rc gdb_list_thread_ids (struct ui_out *uiout,
 				 char **error_message);
 
Index: main.c
===================================================================
RCS file: /cvs/src/src/gdb/main.c,v
retrieving revision 1.88
diff -u -p -r1.88 main.c
--- main.c	7 Dec 2010 17:26:03 -0000	1.88
+++ main.c	29 Dec 2010 00:53:53 -0000
@@ -46,13 +46,13 @@
 
 /* The selected interpreter.  This will be used as a set command
    variable, so it should always be malloc'ed - since
-   do_setshow_command will free it. */
+   do_setshow_command will free it.  */
 char *interpreter_p;
 
-/* Whether xdb commands will be handled */
+/* Whether xdb commands will be handled.  */
 int xdb_commands = 0;
 
-/* Whether dbx commands will be handled */
+/* Whether dbx commands will be handled.  */
 int dbx_commands = 0;
 
 /* System root path, used to find libraries etc.  */
@@ -69,7 +69,7 @@ struct ui_file *gdb_stdout;
 struct ui_file *gdb_stderr;
 struct ui_file *gdb_stdlog;
 struct ui_file *gdb_stdin;
-/* target IO streams */
+/* Target IO streams.  */
 struct ui_file *gdb_stdtargin;
 struct ui_file *gdb_stdtarg;
 struct ui_file *gdb_stdtargerr;
@@ -86,7 +86,7 @@ int batch_silent = 0;
 int return_child_result = 0;
 int return_child_result_value = -1;
 
-/* Whether to enable writing into executable and core files */
+/* Whether to enable writing into executable and core files.  */
 extern int write_files;
 
 /* GDB as it has been invoked from the command line (i.e. argv[0]).  */
@@ -94,8 +94,8 @@ static char *gdb_program_name;
 
 static void print_gdb_help (struct ui_file *);
 
-/* These two are used to set the external editor commands when gdb is farming
-   out files to be edited by another program. */
+/* These two are used to set the external editor commands when gdb is
+   farming out files to be edited by another program.  */
 
 extern char *external_editor_command;
 
@@ -151,11 +151,11 @@ relocate_directory (const char *progname
   return dir;
 }
 
-/* Compute the locations of init files that GDB should source and return
-   them in SYSTEM_GDBINIT, HOME_GDBINIT, LOCAL_GDBINIT.  If there is 
-   no system gdbinit (resp. home gdbinit and local gdbinit) to be loaded,
-   then SYSTEM_GDBINIT (resp. HOME_GDBINIT and LOCAL_GDBINIT) is set to
-   NULL.  */
+/* Compute the locations of init files that GDB should source and
+   return them in SYSTEM_GDBINIT, HOME_GDBINIT, LOCAL_GDBINIT.  If
+   there is no system gdbinit (resp. home gdbinit and local gdbinit)
+   to be loaded, then SYSTEM_GDBINIT (resp. HOME_GDBINIT and
+   LOCAL_GDBINIT) is set to NULL.  */
 static void
 get_init_files (char **system_gdbinit,
 		char **home_gdbinit,
@@ -220,7 +220,7 @@ get_init_files (char **system_gdbinit,
 }
 
 /* Call command_loop.  If it happens to return, pass that through as a
-   non-zero return status. */
+   non-zero return status.  */
 
 static int
 captured_command_loop (void *data)
@@ -232,12 +232,12 @@ captured_command_loop (void *data)
      the do_cleanups() below is redundant.  Unfortunately, many FUNCs
      are not that well behaved.  do_cleanups should either be replaced
      with a do_cleanups call (to cover the problem) or an assertion
-     check to detect bad FUNCs code. */
+     check to detect bad FUNCs code.  */
   do_cleanups (ALL_CLEANUPS);
   /* If the command_loop returned, normally (rather than threw an
      error) we try to quit. If the quit is aborted, catch_errors()
      which called this catch the signal and restart the command
-     loop. */
+     loop.  */
   quit_command (NULL, instream == stdin);
   return 1;
 }
@@ -260,7 +260,8 @@ captured_main (void *data)
   char *cdarg = NULL;
   char *ttyarg = NULL;
 
-  /* These are static so that we can take their address in an initializer.  */
+  /* These are static so that we can take their address in an
+     initializer.  */
   static int print_help;
   static int print_version;
 
@@ -317,7 +318,7 @@ captured_main (void *data)
 
   quit_flag = 0;
   line = (char *) xmalloc (linesize);
-  line[0] = '\0';		/* Terminate saved (now empty) cmd line */
+  line[0] = '\0';		/* Terminate saved (now empty) cmd line.  */
   instream = stdin;
 
   gdb_stdout = stdio_fileopen (stdout);
@@ -332,7 +333,7 @@ captured_main (void *data)
 
   if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
     /* Don't use *_filtered or warning() (which relies on
-       current_target) until after initialize_all_files(). */
+       current_target) until after initialize_all_files().  */
     fprintf_unfiltered (gdb_stderr,
                         _("%s: warning: error finding working directory: %s\n"),
                         argv[0], safe_strerror (errno));
@@ -400,9 +401,9 @@ captured_main (void *data)
       {"batch", no_argument, &batch_flag, 1},
       {"epoch", no_argument, &epoch_interface, 1},
 
-    /* This is a synonym for "--annotate=1".  --annotate is now preferred,
-       but keep this here for a long time because people will be running
-       emacses which use --fullname.  */
+    /* This is a synonym for "--annotate=1".  --annotate is now
+       preferred, but keep this here for a long time because people
+       will be running emacses which use --fullname.  */
       {"fullname", no_argument, 0, 'f'},
       {"f", no_argument, 0, 'f'},
 
@@ -559,10 +560,12 @@ captured_main (void *data)
 #ifdef GDBTK
 	  case 'z':
 	    {
-extern int gdbtk_test (char *);
+	      extern int gdbtk_test (char *);
+
 	      if (!gdbtk_test (optarg))
 		{
-		  fprintf_unfiltered (gdb_stderr, _("%s: unable to load tclcommand file \"%s\""),
+		  fprintf_unfiltered (gdb_stderr, 
+				      _("%s: unable to load tclcommand file \"%s\""),
 				      argv[0], optarg);
 		  exit (1);
 		}
@@ -605,7 +608,7 @@ extern int gdbtk_test (char *);
 	      if (i == 0 && p == optarg)
 
 		/* Don't use *_filtered or warning() (which relies on
-		   current_target) until after initialize_all_files(). */
+		   current_target) until after initialize_all_files().  */
 
 		fprintf_unfiltered
 		  (gdb_stderr,
@@ -623,7 +626,7 @@ extern int gdbtk_test (char *);
 	      if (i == 0 && p == optarg)
 
 		/* Don't use *_filtered or warning() (which relies on
-		   current_target) until after initialize_all_files(). */
+		   current_target) until after initialize_all_files().  */
 
 		fprintf_unfiltered
 		  (gdb_stderr,
@@ -655,8 +658,8 @@ extern int gdbtk_test (char *);
      control of the console via the deprecated_init_ui_hook ().  */
   gdb_init (argv[0]);
 
-  /* Now that gdb_init has created the initial inferior, we're in position
-     to set args for that inferior.  */
+  /* Now that gdb_init has created the initial inferior, we're in
+     position to set args for that inferior.  */
   if (set_args)
     {
       /* The remaining options are the command-line options for the
@@ -706,9 +709,9 @@ Excess command line arguments ignored. (
 			    (optind == argc - 1) ? "" : " ...");
     }
 
-  /* Lookup gdbinit files. Note that the gdbinit file name may be overriden
-     during file initialization, so get_init_files should be called after
-     gdb_init.  */
+  /* Lookup gdbinit files. Note that the gdbinit file name may be
+     overriden during file initialization, so get_init_files should be
+     called after gdb_init.  */
   get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit);
 
   /* Do these (and anything which might call wrap_here or *_filtered)
@@ -737,19 +740,19 @@ Excess command line arguments ignored. (
      it isn't encapsulated in MI output.  */
   if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0)
     {
-      /* Print all the junk at the top, with trailing "..." if we are about
-         to read a symbol file (possibly slowly).  */
+      /* Print all the junk at the top, with trailing "..." if we are
+         about to read a symbol file (possibly slowly).  */
       print_gdb_version (gdb_stdout);
       if (symarg)
 	printf_filtered ("..");
       wrap_here ("");
       printf_filtered ("\n");
-      gdb_flush (gdb_stdout);	/* Force to screen during slow operations */
+      gdb_flush (gdb_stdout);	/* Force to screen during slow
+				   operations.  */
     }
 
-
   /* Install the default UI.  All the interpreters should have had a
-     look at things by now.  Initialize the default interpreter. */
+     look at things by now.  Initialize the default interpreter.  */
 
   {
     /* Find it.  */
@@ -773,14 +776,15 @@ Excess command line arguments ignored. (
      any sane interpreter.  */
   if (!quiet && !current_interp_named_p (INTERP_MI1))
     {
-      /* Print all the junk at the top, with trailing "..." if we are about
-         to read a symbol file (possibly slowly).  */
+      /* Print all the junk at the top, with trailing "..." if we are
+         about to read a symbol file (possibly slowly).  */
       print_gdb_version (gdb_stdout);
       if (symarg)
 	printf_filtered ("..");
       wrap_here ("");
       printf_filtered ("\n");
-      gdb_flush (gdb_stdout);	/* Force to screen during slow operations */
+      gdb_flush (gdb_stdout);	/* Force to screen during slow
+				   operations.  */
     }
 
   /* Set off error and warning messages with a blank line.  */
@@ -814,7 +818,8 @@ Excess command line arguments ignored. (
   xfree (dirarg);
 
   /* Skip auto-loading section-specified scripts until we've sourced
-     local_gdbinit (which is often used to augment the source search path).  */
+     local_gdbinit (which is often used to augment the source search
+     path).  */
   save_auto_load = gdbpy_global_auto_load;
   gdbpy_global_auto_load = 0;
 
@@ -824,7 +829,7 @@ Excess command line arguments ignored. (
     {
       /* The exec file and the symbol-file are the same.  If we can't
          open it, better only print one error message.
-         catch_command_errors returns non-zero on success! */
+         catch_command_errors returns non-zero on success!  */
       if (catch_command_errors (exec_file_attach, execarg, !batch_flag, RETURN_MASK_ALL))
 	catch_command_errors (symbol_file_add_main, symarg, !batch_flag, RETURN_MASK_ALL);
     }
@@ -867,7 +872,7 @@ Can't attach to process and specify a co
   if (ttyarg != NULL)
     set_inferior_io_terminal (ttyarg);
 
-  /* Error messages should no longer be distinguished with extra output. */
+  /* Error messages should no longer be distinguished with extra output.  */
   error_pre_print = NULL;
   quit_pre_print = NULL;
   warning_pre_print = _("warning: ");
@@ -896,7 +901,8 @@ Can't attach to process and specify a co
     }
   xfree (cmdarg);
 
-  /* Read in the old history after all the command files have been read. */
+  /* Read in the old history after all the command files have been
+     read.  */
   init_history ();
 
   if (batch_flag)
@@ -911,7 +917,7 @@ Can't attach to process and specify a co
   /* NOTE: cagney/1999-11-07: There is probably no reason for not
      moving this loop and the code found in captured_command_loop()
      into the command_loop() proper.  The main thing holding back that
-     change - SET_TOP_LEVEL() - has been eliminated. */
+     change - SET_TOP_LEVEL() - has been eliminated.  */
   while (1)
     {
       catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL);
Index: top.c
===================================================================
RCS file: /cvs/src/src/gdb/top.c,v
retrieving revision 1.185
diff -u -p -r1.185 top.c
--- top.c	2 Nov 2010 16:48:41 -0000	1.185
+++ top.c	29 Dec 2010 00:53:53 -0000
@@ -49,7 +49,7 @@
 #include "gdbthread.h"
 #include "python/python.h"
 
-/* readline include files */
+/* readline include files.  */
 #include "readline/readline.h"
 #include "readline/history.h"
 
@@ -65,7 +65,7 @@
 #include "ui-out.h"
 #include "cli-out.h"
 
-/* Default command line prompt.  This is overriden in some configs. */
+/* Default command line prompt.  This is overriden in some configs.  */
 
 #ifndef DEFAULT_PROMPT
 #define DEFAULT_PROMPT	"(gdb) "
@@ -97,7 +97,7 @@ extern char lang_frame_mismatch_warn[];	
 
 /* Flag for whether we want all the "from_tty" gubbish printed.  */
 
-int caution = 1;		/* Default is yes, sigh. */
+int caution = 1;		/* Default is yes, sigh.  */
 static void
 show_caution (struct ui_file *file, int from_tty,
 	      struct cmd_list_element *c, const char *value)
@@ -107,9 +107,10 @@ Whether to confirm potentially dangerous
 		    value);
 }
 
-/* stdio stream that command input is being read from.  Set to stdin normally.
-   Set by source_command to the file we are sourcing.  Set to NULL if we are
-   executing a user-defined command or interacting via a GUI.  */
+/* stdio stream that command input is being read from.  Set to stdin
+   normally.  Set by source_command to the file we are sourcing.  Set
+   to NULL if we are executing a user-defined command or interacting
+   via a GUI.  */
 
 FILE *instream;
 
@@ -149,12 +150,12 @@ int server_command;
 
 /* Baud rate specified for talking to serial target systems.  Default
    is left as -1, so targets can choose their own defaults.  */
-/* FIXME: This means that "show remotebaud" and gr_files_info can print -1
-   or (unsigned int)-1.  This is a Bad User Interface.  */
+/* FIXME: This means that "show remotebaud" and gr_files_info can
+   print -1 or (unsigned int)-1.  This is a Bad User Interface.  */
 
 int baud_rate = -1;
 
-/* Timeout limit for response from target. */
+/* Timeout limit for response from target.  */
 
 /* The default value has been changed many times over the years.  It 
    was originally 5 seconds.  But that was thought to be a long time 
@@ -172,7 +173,7 @@ int baud_rate = -1;
    a single variable for all protocol timeouts.
 
    As remote.c is used much more than remote-e7000.c, it was changed 
-   back to 2 seconds in 1999. */
+   back to 2 seconds in 1999.  */
 
 int remote_timeout = 2;
 
@@ -187,17 +188,18 @@ char *lim_at_start;
 
 /* Hooks for alternate command interfaces.  */
 
-/* Called after most modules have been initialized, but before taking users
-   command file.
+/* Called after most modules have been initialized, but before taking
+   users command file.
 
-   If the UI fails to initialize and it wants GDB to continue
-   using the default UI, then it should clear this hook before returning. */
+   If the UI fails to initialize and it wants GDB to continue using
+   the default UI, then it should clear this hook before returning.  */
 
 void (*deprecated_init_ui_hook) (char *argv0);
 
-/* This hook is called from within gdb's many mini-event loops which could
-   steal control from a real user interface's event loop. It returns
-   non-zero if the user is requesting a detach, zero otherwise. */
+/* This hook is called from within gdb's many mini-event loops which
+   could steal control from a real user interface's event loop.  It
+   returns non-zero if the user is requesting a detach, zero
+   otherwise.  */
 
 int (*deprecated_ui_loop_hook) (int);
 
@@ -209,8 +211,10 @@ void (*deprecated_command_loop_hook) (vo
 
 /* Called from print_frame_info to list the line we stopped in.  */
 
-void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, int line,
-						  int stopline, int noerror);
+void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, 
+						  int line,
+						  int stopline, 
+						  int noerror);
 /* Replaces most of query.  */
 
 int (*deprecated_query_hook) (const char *, va_list);
@@ -236,33 +240,33 @@ char *(*deprecated_readline_hook) (char 
 void (*deprecated_readline_end_hook) (void);
 
 /* Called as appropriate to notify the interface that we have attached
-   to or detached from an already running process. */
+   to or detached from an already running process.  */
 
 void (*deprecated_attach_hook) (void);
 void (*deprecated_detach_hook) (void);
 
-/* Called during long calculations to allow GUI to repair window damage, and to
-   check for stop buttons, etc... */
+/* Called during long calculations to allow GUI to repair window
+   damage, and to check for stop buttons, etc...  */
 
 void (*deprecated_interactive_hook) (void);
 
 /* Tell the GUI someone changed the register REGNO. -1 means
    that the caller does not know which register changed or
-   that several registers have changed (see value_assign). */
+   that several registers have changed (see value_assign).  */
 void (*deprecated_register_changed_hook) (int regno);
 
-/* Called when going to wait for the target.  Usually allows the GUI to run
-   while waiting for target events.  */
+/* Called when going to wait for the target.  Usually allows the GUI
+   to run while waiting for target events.  */
 
 ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
 				       struct target_waitstatus *status,
 				       int options);
 
-/* Used by UI as a wrapper around command execution.  May do various things
-   like enabling/disabling buttons, etc...  */
+/* Used by UI as a wrapper around command execution.  May do various
+   things like enabling/disabling buttons, etc...  */
 
-void (*deprecated_call_command_hook) (struct cmd_list_element * c, char *cmd,
-				      int from_tty);
+void (*deprecated_call_command_hook) (struct cmd_list_element * c, 
+				      char *cmd, int from_tty);
 
 /* Called after a `set' command has finished.  Is only run if the
    `set' command succeeded.  */
@@ -283,7 +287,8 @@ void (*deprecated_context_hook) (int id)
 quit_cover (void *s)
 {
   caution = 0;			/* Throw caution to the wind -- we're exiting.
-				   This prevents asking the user dumb questions.  */
+				   This prevents asking the user dumb 
+				   questions.  */
   quit_command ((char *) 0, 0);
   return 0;
 }
@@ -339,10 +344,10 @@ prepare_execute_command (void)
 {
   free_all_values ();
 
-  /* With multiple threads running while the one we're examining is stopped,
-     the dcache can get stale without us being able to detect it.
-     For the duration of the command, though, use the dcache to help
-     things like backtrace.  */
+  /* With multiple threads running while the one we're examining is
+     stopped, the dcache can get stale without us being able to detect
+     it.  For the duration of the command, though, use the dcache to
+     help things like backtrace.  */
   if (non_stop)
     target_dcache_invalidate ();
 }
@@ -405,7 +410,7 @@ execute_command (char *p, int from_tty)
 	  *(p + 1) = '\0';
 	}
 
-      /* If this command has been pre-hooked, run the hook first. */
+      /* If this command has been pre-hooked, run the hook first.  */
       execute_cmd_pre_hook (c);
 
       if (c->flags & DEPRECATED_WARN_USER)
@@ -422,7 +427,7 @@ execute_command (char *p, int from_tty)
       else
 	cmd_func (c, arg, from_tty & caution);
        
-      /* If this command has been post-hooked, run the hook last. */
+      /* If this command has been post-hooked, run the hook last.  */
       execute_cmd_post_hook (c);
 
     }
@@ -442,7 +447,7 @@ execute_command (char *p, int from_tty)
 
   /* Warn the user if the working language does not match the
      language of the current frame.  Only warn the user if we are
-     actually running the program, i.e. there is a stack. */
+     actually running the program, i.e. there is a stack.  */
   /* FIXME:  This should be cacheing the frame and only running when
      the frame changes.  */
 
@@ -523,7 +528,7 @@ command_loop (void)
 	reinitialize_more_filter ();
       old_chain = make_cleanup (null_cleanup, 0);
 
-      /* Get a command-line. This calls the readline package. */
+      /* Get a command-line. This calls the readline package.  */
       command = command_line_input (instream == stdin ?
 				    get_prompt () : (char *) NULL,
 				    instream == stdin, "prompt");
@@ -550,8 +555,8 @@ dont_repeat (void)
     return;
 
   /* If we aren't reading from standard input, we are saving the last
-     thing read from stdin in line and don't want to delete it.  Null lines
-     won't repeat here in any case.  */
+     thing read from stdin in line and don't want to delete it.  Null
+     lines won't repeat here in any case.  */
   if (instream == stdin)
     *line = 0;
 }
@@ -880,8 +885,9 @@ command_line_input (char *prompt_arg, in
 
   while (1)
     {
-      /* Make sure that all output has been output.  Some machines may let
-         you get away with leaving out some of the gdb_flush, but not all.  */
+      /* Make sure that all output has been output.  Some machines may
+         let you get away with leaving out some of the gdb_flush, but
+         not all.  */
       wrap_here ("");
       gdb_flush (gdb_stdout);
       gdb_flush (gdb_stderr);
@@ -931,7 +937,7 @@ command_line_input (char *prompt_arg, in
 	}
       p1 = rl;
       /* Copy line.  Don't copy null at end.  (Leaves line alone
-         if this was just a newline)  */
+         if this was just a newline).  */
       while (*p1)
 	*p++ = *p1++;
 
@@ -997,9 +1003,8 @@ command_line_input (char *prompt_arg, in
       xfree (history_value);
     }
 
-  /* If we just got an empty line, and that is supposed
-     to repeat the previous command, return the value in the
-     global buffer.  */
+  /* If we just got an empty line, and that is supposed to repeat the
+     previous command, return the value in the global buffer.  */
   if (repeat && p == linebuffer)
     return line;
   for (p1 = linebuffer; *p1 == ' ' || *p1 == '\t'; p1++);
@@ -1020,7 +1025,7 @@ command_line_input (char *prompt_arg, in
      and remove the '#'.  The kill ring is probably better, but some
      people are in the habit of commenting things out.  */
   if (*p1 == '#')
-    *p1 = '\0';			/* Found a comment. */
+    *p1 = '\0';			/* Found a comment.  */
 
   /* Save into global buffer if appropriate.  */
   if (repeat)
@@ -1037,24 +1042,24 @@ command_line_input (char *prompt_arg, in
   return linebuffer;
 }
 
-/* Print the GDB banner. */
+/* Print the GDB banner.  */
 void
 print_gdb_version (struct ui_file *stream)
 {
   /* From GNU coding standards, first line is meant to be easy for a
      program to parse, and is just canonical program name and version
-     number, which starts after last space. */
+     number, which starts after last space.  */
 
   fprintf_filtered (stream, "GNU gdb %s%s\n", PKGVERSION, version);
 
-  /* Second line is a copyright notice. */
+  /* Second line is a copyright notice.  */
 
   fprintf_filtered (stream, "Copyright (C) 2010 Free Software Foundation, Inc.\n");
 
   /* Following the copyright is a brief statement that the program is
      free software, that users are free to copy and change it on
      certain conditions, that it is covered by the GNU GPL, and that
-     there is no warranty. */
+     there is no warranty.  */
 
   fprintf_filtered (stream, "\
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n\
@@ -1062,7 +1067,7 @@ This is free software: you are free to c
 There is NO WARRANTY, to the extent permitted by law.  Type \"show copying\"\n\
 and \"show warranty\" for details.\n");
 
-  /* After the required info we print the configuration information. */
+  /* After the required info we print the configuration information.  */
 
   fprintf_filtered (stream, "This GDB was configured as \"");
   if (strcmp (host_name, target_name) != 0)
@@ -1097,7 +1102,7 @@ set_prompt (char *s)
 /* ??rehrauer: I don't know why this fails, since it looks as though
    assignments to prompt are wrapped in calls to xstrdup...
    if (prompt != NULL)
-   xfree (prompt);
+     xfree (prompt);
  */
   PROMPT (0) = xstrdup (s);
 }
@@ -1221,8 +1226,8 @@ quit_target (void *arg)
   if (write_history_p && history_filename)
     write_history (history_filename);
 
-  do_final_cleanups (ALL_CLEANUPS);	/* Do any final cleanups before exiting */
-
+  do_final_cleanups (ALL_CLEANUPS);    /* Do any final cleanups before
+					  exiting.  */
   return 0;
 }
 
@@ -1235,7 +1240,7 @@ quit_force (char *args, int from_tty)
   struct qt_args qt;
 
   /* An optional expression may be used to cause gdb to terminate with the 
-     value of that expression. */
+     value of that expression.  */
   if (args)
     {
       struct value *val = parse_and_eval (args);
@@ -1305,8 +1310,8 @@ input_from_terminal_p (void)
 static void
 dont_repeat_command (char *ignored, int from_tty)
 {
-  *line = 0;			/* Can't call dont_repeat here because we're not
-				   necessarily reading from stdin.  */
+  *line = 0;			/* Can't call dont_repeat here because we're 
+				   not necessarily reading from stdin.  */
 }
 
 /* Functions to manipulate command line editing control variables.  */
@@ -1414,7 +1419,7 @@ show_history (char *args, int from_tty)
   cmd_show_list (showhistlist, from_tty, "");
 }
 
-int info_verbose = 0;		/* Default verbose msgs off */
+int info_verbose = 0;		/* Default verbose msgs off.  */
 
 /* Called by do_setshow_command.  An elaborate joke.  */
 void
@@ -1438,10 +1443,9 @@ set_verbose (char *args, int from_tty, s
 }
 
 /* Init the history buffer.  Note that we are called after the init file(s)
- * have been read so that the user can change the history file via his
- * .gdbinit file (for instance).  The GDBHISTFILE environment variable
- * overrides all of this.
- */
+   have been read so that the user can change the history file via his
+   .gdbinit file (for instance).  The GDBHISTFILE environment variable
+   overrides all of this.  */
 
 void
 init_history (void)
@@ -1647,7 +1651,7 @@ gdb_init (char *argv0)
   if (pre_init_ui_hook)
     pre_init_ui_hook ();
 
-  /* Run the init function of each source file */
+  /* Run the init function of each source file.  */
 
 #ifdef __MSDOS__
   /* Make sure we return to the original directory upon exit, come
@@ -1655,9 +1659,9 @@ gdb_init (char *argv0)
   make_final_cleanup (do_chdir_cleanup, xstrdup (current_directory));
 #endif
 
-  init_cmd_lists ();		/* This needs to be done first */
-  initialize_targets ();	/* Setup target_terminal macros for utils.c */
-  initialize_utils ();		/* Make errors and warnings possible */
+  init_cmd_lists ();	    /* This needs to be done first.  */
+  initialize_targets ();    /* Setup target_terminal macros for utils.c.  */
+  initialize_utils ();	    /* Make errors and warnings possible.  */
 
   /* Here is where we call all the _initialize_foo routines.  */
   initialize_all_files ();
@@ -1671,17 +1675,18 @@ gdb_init (char *argv0)
   initialize_inferiors ();
   initialize_current_architecture ();
   init_cli_cmds();
-  init_main ();			/* But that omits this file!  Do it now */
+  init_main ();			/* But that omits this file!  Do it now.  */
 
   initialize_stdin_serial ();
 
   async_init_signals ();
 
-  /* We need a default language for parsing expressions, so simple things like
-     "set width 0" won't fail if no language is explicitly set in a config file
-     or implicitly set by reading an executable during startup. */
+  /* We need a default language for parsing expressions, so simple
+     things like "set width 0" won't fail if no language is explicitly
+     set in a config file or implicitly set by reading an executable
+     during startup.  */
   set_language (language_c);
-  expected_language = current_language;		/* don't warn about the change.  */
+  expected_language = current_language;	/* Don't warn about the change.  */
 
   /* Allow another UI to initialize. If the UI fails to initialize,
      and it wants GDB to revert to the CLI, it should clear
@@ -1690,10 +1695,10 @@ gdb_init (char *argv0)
     deprecated_init_ui_hook (argv0);
 
 #ifdef HAVE_PYTHON
-  /* Python initialization can require various commands to be installed.
-     For example "info pretty-printer" needs the "info" prefix to be
-     installed.  Keep things simple and just do final python initialization
-     here.  */
+  /* Python initialization can require various commands to be
+     installed.  For example "info pretty-printer" needs the "info"
+     prefix to be installed.  Keep things simple and just do final
+     python initialization here.  */
   finish_python_initialization ();
 #endif
 }
Index: top.h
===================================================================
RCS file: /cvs/src/src/gdb/top.h,v
retrieving revision 1.22
diff -u -p -r1.22 top.h
--- top.h	7 Apr 2010 16:54:39 -0000	1.22
+++ top.h	29 Dec 2010 00:53:53 -0000
@@ -52,21 +52,21 @@ extern void execute_command (char *, int
 extern void prepare_execute_command (void);
 
 /* This function returns a pointer to the string that is used
-   by gdb for its command prompt. */
+   by gdb for its command prompt.  */
 extern char *get_prompt (void);
 
 /* This function copies the specified string into the string that
-   is used by gdb for its command prompt. */
+   is used by gdb for its command prompt.  */
 extern void set_prompt (char *);
 
 /* From random places.  */
 extern int readnow_symbol_files;
 
-/* Perform _initialize initialization */
+/* Perform _initialize initialization.  */
 extern void gdb_init (char *);
 
-/* For use by event-top.c */
-/* Variables from top.c. */
+/* For use by event-top.c.  */
+/* Variables from top.c.  */
 extern int source_line_number;
 extern const char *source_file_name;
 extern int history_expansion_p;

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