From ce9d154957d8843a07a32730e7fd3400948e164d Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Sat, 5 Jul 2003 15:28:28 +0000
Subject: fixed stack lock at startup

svn-id: r8779
---
 common/util.cpp | 9 ++++++---
 common/util.h   | 3 ++-
 2 files changed, 8 insertions(+), 4 deletions(-)

(limited to 'common')

diff --git a/common/util.cpp b/common/util.cpp
index 548fcb6a41..8920453bd7 100644
--- a/common/util.cpp
+++ b/common/util.cpp
@@ -166,7 +166,10 @@ uint RandomSource::getRandomNumberRng(uint min, uint max) {
 	return getRandomNumber(max - min) + min;
 }
 
-StackLock::StackLock(OSystem::MutexRef mutex) : _mutex(mutex) {
+StackLock::StackLock(OSystem::MutexRef mutex, OSystem *syst)
+	: _mutex(mutex), _syst(syst) {
+	if (syst == 0)
+		_syst = g_system;
 	lock();
 }
 
@@ -175,12 +178,12 @@ StackLock::~StackLock() {
 }
 
 void StackLock::lock() {
-	assert(g_system);
+	assert(_syst);
 	g_system->lock_mutex(_mutex);
 }
 
 void StackLock::unlock() {
-	assert(g_system);
+	assert(_syst);
 	g_system->unlock_mutex(_mutex);
 }
 
diff --git a/common/util.h b/common/util.h
index 8c0409e0ef..3a77445567 100644
--- a/common/util.h
+++ b/common/util.h
@@ -80,10 +80,11 @@ public:
  */
 class StackLock {
 	OSystem::MutexRef _mutex;
+	OSystem *_syst;
 	void lock();
 	void unlock();
 public:
-	StackLock(OSystem::MutexRef mutex);
+	StackLock(OSystem::MutexRef mutex, OSystem *syst = 0);
 	~StackLock();
 };
 
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