# HG changeset patch
# User Maxim Dounin <mdounin@mdounin.ru>
# Date 1369997966 -14400
# Node ID 1b70200d83e3e3f94883048f8517d1cc27cf90d3
# Parent  f06bbc08e457c0bae70726ce42bce2e599440980
Win32: accept_mutex now always disabled (ticket #362).

Use of accept mutex on win32 may result in a deadlock if there are multiple
worker_processes configured and the mutex is grabbed by a process which
can't accept connections.

diff -r f06bbc08e457 -r 1b70200d83e3 src/event/ngx_event.c
--- a/src/event/ngx_event.c	Tue May 21 21:47:50 2013 +0400
+++ b/src/event/ngx_event.c	Fri May 31 14:59:26 2013 +0400
@@ -607,6 +607,17 @@
         ngx_use_accept_mutex = 0;
     }
 
+#if (NGX_WIN32)
+
+    /*
+     * disable accept mutex on win32 as it may cause deadlock if
+     * grabbed by a process which can't accept connections
+     */
+
+    ngx_use_accept_mutex = 0;
+
+#endif
+
 #if (NGX_THREADS)
     ngx_posted_events_mutex = ngx_mutex_init(cycle->log, 0);
     if (ngx_posted_events_mutex == NULL) {