Initial commit

inc/my_mutex.h

@@ -0,0 +1,22 @@
+#ifndef __MY_MUTEX_H__
+#define __MY_MUTEX_H__
+#include <pthread.h>
+
+/**
+ * Макрос для pthread_mutex_t
+ * Использовать так:
+ * with_lock(&mtx)
+ * {
+ *      secured_code();
+ * }
+ */
+
+#define __MY_MUTEX__CONCAT(x, y) x##y
+#define __MY_MUTEX__UNIQUE_NAME(base) __MY_MUTEX__CONCAT(base, __LINE__)
+
+#define with_lock(mutex) \
+    for (int __MY_MUTEX__UNIQUE_NAME(_once) = (pthread_mutex_lock(mutex), 1); \
+         __MY_MUTEX__UNIQUE_NAME(_once); \
+         pthread_mutex_unlock(mutex), __MY_MUTEX__UNIQUE_NAME(_once) = 0)
+
+#endif //ifndef __MY_MUTEX_H__