[newlib-cygwin] Cygwin: FIFO: set client handler flags more accurately
Ken Brown
kbrown@sourceware.org
Thu May 9 18:52:00 GMT 2019
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=7ad80b3c233c96218985e603cfcb8051e1771505
commit 7ad80b3c233c96218985e603cfcb8051e1771505
Author: Ken Brown <kbrown@cornell.edu>
Date: Thu May 9 12:04:14 2019 -0400
Cygwin: FIFO: set client handler flags more accurately
Reflect the fact that client handlers are only used for reading and
that, after connection, they are always nonblocking.
Diff:
---
winsup/cygwin/fhandler_fifo.cc | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
index 0d4a8b8..1b1b3c7 100644
--- a/winsup/cygwin/fhandler_fifo.cc
+++ b/winsup/cygwin/fhandler_fifo.cc
@@ -246,7 +246,8 @@ fhandler_fifo::add_client_handler ()
else
{
fh->set_handle (ph);
- fh->set_flags (get_flags ());
+ fh->set_flags ((openflags & ~O_ACCMODE) | O_RDONLY);
+ fh->set_nonblocking (false);
ret = 0;
fc.fh = fh;
fc_handler[nhandlers++] = fc;
@@ -298,6 +299,7 @@ fhandler_fifo::record_connection (fifo_client_handler& fc)
fifo_client_lock ();
fc.state = fc_connected;
nconnected++;
+ fc.fh->set_nonblocking (true);
set_pipe_non_blocking (fc.fh->get_handle (), true);
fifo_client_unlock ();
HANDLE evt = InterlockedExchangePointer (&fc.connect_evt, NULL);
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