Currently, ShInitialize() and friends call glslang::InitGlobalLock()
which *overwrites* the global mutex. As such, even though it ostensibly
takes a mutex, this function is actually completely thread-unsafe.
Fix it by using pthread_once to ensure the mutex is only initialized
once, and then never again.
pthread_mutex_t gMutex;
}
-void InitGlobalLock()
+static void InitMutex(void)
{
pthread_mutexattr_t mutexattr;
pthread_mutexattr_init(&mutexattr);
pthread_mutex_init(&gMutex, &mutexattr);
}
+void InitGlobalLock()
+{
+ static pthread_once_t once = PTHREAD_ONCE_INIT;
+ pthread_once(&once, InitMutex);
+}
+
void GetGlobalLock()
{
pthread_mutex_lock(&gMutex);