This is the mail archive of the
cygwin-patches
mailing list for the Cygwin project.
[PATCH] Cygwin: FIFO: implement clear_readahead
- From: Ken Brown <kbrown at cornell dot edu>
- To: "cygwin-patches at cygwin dot com" <cygwin-patches at cygwin dot com>
- Date: Wed, 27 Mar 2019 21:29:21 +0000
- Subject: [PATCH] Cygwin: FIFO: implement clear_readahead
Make fhandler_base::clear_readahead virtual, and implement
fhandler_fifo::clear_readahead. This is called by
dtable::fixup_after_exec; it clears the readahead in each client.
---
winsup/cygwin/fhandler.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index 3398cc625..21fec9e38 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -444,7 +444,7 @@ public:
return dev ().native ();
}
virtual bg_check_types bg_check (int, bool = false) {return bg_ok;}
- void clear_readahead ()
+ virtual void clear_readahead ()
{
raixput = raixget = ralen = rabuflen = 0;
rabuf = NULL;
@@ -1302,6 +1302,12 @@ public:
bool arm (HANDLE h);
void fixup_after_fork (HANDLE);
int __reg2 fstatvfs (struct statvfs *buf);
+ void clear_readahead ()
+ {
+ fhandler_base::clear_readahead ();
+ for (int i = 0; i < nclients; i++)
+ client[i].fh->clear_readahead ();
+ }
select_record *select_read (select_stuff *);
select_record *select_write (select_stuff *);
select_record *select_except (select_stuff *);
--
2.17.0