From: Michael Giagnocavo <mgg@giagnocavo.net>
Date: Mon, 27 Jul 2015 02:02:22 +0000 (-0600)
Subject: FS-7894: On Windows, use critical sections instead of mutexes. (Mutexes on Windows... 
X-Git-Tag: v1.6.2~211^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c599f4f44701af865283f33eb0100d395fa77c7f;p=thirdparty%2Ffreeswitch.git

FS-7894: On Windows, use critical sections instead of mutexes. (Mutexes on Windows are cross-process, unlike lightweight Linux futexes.)
---

diff --git a/src/switch_apr.c b/src/switch_apr.c
index f1f64df360..81b448eba5 100644
--- a/src/switch_apr.c
+++ b/src/switch_apr.c
@@ -269,6 +269,11 @@ SWITCH_DECLARE(switch_status_t) switch_thread_rwlock_unlock(switch_thread_rwlock
 
 SWITCH_DECLARE(switch_status_t) switch_mutex_init(switch_mutex_t ** lock, unsigned int flags, switch_memory_pool_t *pool)
 {
+#ifdef WIN32
+	/* Old version of APR misunderstands mutexes. On Windows, mutexes are cross-process. 
+	   APR has no reason to not use critical sections instead of mutexes. */
+	if (flags == SWITCH_MUTEX_NESTED) flags = SWITCH_MUTEX_DEFAULT;
+#endif
 	return apr_thread_mutex_create(lock, flags, pool);
 }