From: Josh Gargus <jjosh@google.com>
Date: Thu, 6 Oct 2016 01:32:51 +0000 (-0700)
Subject: Use pthread_mutex for global lock on Linux.
X-Git-Tag: upstream/11.4.0~1446^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=87a83d684142b14086be25c074eaf7395645ca21;p=platform%2Fupstream%2Fglslang.git

Use pthread_mutex for global lock on Linux.
---

diff --git a/glslang/OSDependent/Unix/ossource.cpp b/glslang/OSDependent/Unix/ossource.cpp
index 8e583ea..0e6d730 100644
--- a/glslang/OSDependent/Unix/ossource.cpp
+++ b/glslang/OSDependent/Unix/ossource.cpp
@@ -165,11 +165,12 @@ bool OS_FreeTLSIndex(OS_TLSIndex nIndex)
 		return false;
 }
 
-// TODO: non-windows: if we need these on linux, flesh them out
-void InitGlobalLock() { }
-void GetGlobalLock() { }
-void ReleaseGlobalLock() { }
+static pthread_mutex_t gMutex;
+void InitGlobalLock() { pthread_mutex_init(&gMutex, NULL); }
+void GetGlobalLock() { pthread_mutex_lock(&gMutex); }
+void ReleaseGlobalLock() { pthread_mutex_unlock(&gMutex); }
 
+// TODO: non-windows: if we need these on linux, flesh them out
 void* OS_CreateThread(TThreadEntrypoint /*entry*/)
 {
     return 0;