Francois Gouget : server: Make sock_check_pollhup() more reliable on Solaris.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 277cf731bb53c9af6a40246c4c7aa23e3ceed946
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=277cf731bb53c9af6a40246c4c7aa23e3ceed946

Author: Francois Gouget <fgouget at free.fr>
Date:   Fri Nov 26 18:08:30 2010 +0100

server: Make sock_check_pollhup() more reliable on Solaris.
(cherry picked from commit c4c03180b0868fe93de4a5ccf52ba76bb00ffcab)

---

 server/sock.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/server/sock.c b/server/sock.c
index 9cd0fc2..196bca2 100644
--- a/server/sock.c
+++ b/server/sock.c
@@ -203,7 +203,8 @@ static sock_shutdown_t sock_check_pollhup(void)
     pfd.events = POLLIN;
     pfd.revents = 0;
 
-    n = poll( &pfd, 1, 0 );
+    /* Solaris' poll() sometimes returns nothing if given a 0ms timeout here */
+    n = poll( &pfd, 1, 1 );
     if ( n != 1 ) goto out; /* error or timeout */
     if ( pfd.revents & POLLHUP )
         ret = SOCK_SHUTDOWN_POLLHUP;