add vcglib

vcglib/wrap/system/multithreading/mutex.h

@@ -0,0 +1,56 @@
+#ifndef MT_MUTEX_H
+#define MT_MUTEX_H
+
+#include "base.h"
+
+#include <pthread.h>
+
+namespace mt
+{
+
+class condition;
+
+class mutex
+{
+    MT_PREVENT_COPY(mutex)
+
+    public:
+
+        typedef mutex this_type;
+        typedef void  base_type;
+
+        mutex(void)
+        {
+            pthread_mutex_init(&(this->m), 0);
+        }
+
+        ~mutex(void)
+        {
+            pthread_mutex_destroy(&(this->m));
+        }
+
+        void lock(void)
+        {
+            pthread_mutex_lock(&(this->m));
+        }
+
+        void unlock(void)
+        {
+            pthread_mutex_unlock(&(this->m));
+        }
+        bool tryLock(void)
+        {
+            int a = pthread_mutex_trylock(&(this->m));
+            return a == 0;
+        }
+
+    private:
+
+        friend class condition;
+
+        pthread_mutex_t m;
+};
+
+}
+
+#endif // MT_MUTEX_H