From 6d999b4379e9b7b4052534a068809d1297bb738d Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@zend.com>
Date: Mon, 18 Feb 2013 11:12:20 +0400
Subject: [PATCH] Added check for CreateMutex() failure

---
 shared_alloc_win32.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/shared_alloc_win32.c b/shared_alloc_win32.c
index 32b7c3a845e..fad75be77de 100644
--- a/shared_alloc_win32.c
+++ b/shared_alloc_win32.c
@@ -102,6 +102,10 @@ static char *get_mmap_base_file()
 void zend_shared_alloc_create_lock(void)
 {
 	memory_mutex = CreateMutex(NULL, FALSE, create_name_with_username(ACCEL_MUTEX_NAME));
+	if (!memory_mutex) {
+		zend_accel_error(ACCEL_LOG_FATAL, "Cannot create mutex");
+		return;
+	}
 	ReleaseMutex(memory_mutex);
 }