Index: src/untrusted/init/simple_lock.h |
diff --git a/src/untrusted/init/simple_lock.h b/src/untrusted/init/simple_lock.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1f3818511dd806c56673ad067dd867a35b226dfd |
--- /dev/null |
+++ b/src/untrusted/init/simple_lock.h |
@@ -0,0 +1,42 @@ |
+// Copyright (c) 2013 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef LIBRARIES_SDK_UTIL_SIMPLE_LOCK_H_ |
+#define LIBRARIES_SDK_UTIL_SIMPLE_LOCK_H_ |
+ |
+#include "pthread.h" |
+#include "sdk_util/macros.h" |
+ |
+namespace sdk_util { |
+ |
+/* |
+ * SimpleLock |
+ * |
+ * A pthread mutex object, with automatic initialization and destruction. |
+ * Should be used with AutoLock where possible. |
+ */ |
+class SimpleLock { |
+ public: |
+ SimpleLock() { |
+ pthread_mutex_init(&lock_, NULL); |
+ } |
+ |
+ ~SimpleLock() { |
+ pthread_mutex_destroy(&lock_); |
+ } |
+ |
+ void Lock() const { pthread_mutex_lock(&lock_); } |
+ void Unlock() const { pthread_mutex_unlock(&lock_); } |
+ |
+ pthread_mutex_t* mutex() const { return &lock_; } |
+ |
+ private: |
+ mutable pthread_mutex_t lock_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(SimpleLock); |
+}; |
+ |
+} // namespace sdk_util |
+ |
+#endif // LIBRARIES_SDK_UTIL_SIMPLE_LOCK_H_ |