Re: Fix typo and markup in linuxthreads.texi

["Carlos O'Donell" <carlos at systemhalted dot org>]

On 9/7/06, Richard Sandiford <richard@codesourcery.com> wrote:
> It isn't possible to build the linuxthreads manual because of a double
> close bracket in linuxthreads.texi.  This patch fixes it and fixes some
> markup on the same line.  I realise linuxthreads is a very low priority
> these days, but...
>
> Please install if OK.

I also need the following attached patch to build linuxthreads against head.

Cheers,
Carlos.

linuxthreads/

2006-09-07  Carlos O'Donell  <carlos@systemhalted.org>

	* sysdeps/pthread/gai_misc.h: New file.

--- /dev/null	2006-08-26 16:32:41.000000000 -0400
+++ sysdeps/pthread/gai_misc.h	2006-08-30 00:24:21.000000000 -0400
@@ -0,0 +1,72 @@
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* We define a special synchronization primitive for AIO.  POSIX
+   conditional variables would be ideal but the pthread_cond_*wait
+   operations do not return on EINTR.  This is a requirement for
+   correct aio_suspend and lio_listio implementations.  */
+
+#include <assert.h>
+#include <signal.h>
+
+#undef DONT_NEED_GAI_MISC_COND
+
+#define gai_start_notify_thread __gai_start_notify_thread
+#define gai_create_helper_thread __gai_create_helper_thread
+
+extern inline void
+__gai_start_notify_thread (void)
+{
+  sigset_t ss;
+  sigemptyset (&ss);
+  INTERNAL_SYSCALL_DECL (err);
+  INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, NULL, _NSIG / 8);
+}
+
+extern inline int
+__gai_create_helper_thread (pthread_t *threadp, void *(*tf) (void *),
+			    void *arg)
+{
+  pthread_attr_t attr;
+
+  /* Make sure the thread is created detached.  */
+  pthread_attr_init (&attr);
+  pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
+
+  /* The helper thread needs only very little resources.  */
+  (void) pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
+
+  /* Block all signals in the helper thread.  To do this thoroughly we
+     temporarily have to block all signals here.  */
+  sigset_t ss;
+  sigset_t oss;
+  sigfillset (&ss);
+  INTERNAL_SYSCALL_DECL (err);
+  INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, &oss, _NSIG / 8);
+
+  int ret = pthread_create (threadp, &attr, tf, arg);
+
+  /* Restore the signal mask.  */
+  INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &oss, NULL,
+		    _NSIG / 8);
+
+  (void) pthread_attr_destroy (&attr);
+  return ret;
+}
+
+#include_next <gai_misc.h>