1 files changed, 38 insertions, 0 deletions
diff --git a/src/system_wrappers/source/critical_section_linux.cc b/src/system_wrappers/source/critical_section_linux.cc
new file mode 100644
index 0000000000..35e81aeac0
--- /dev/null
+++ b/src/system_wrappers/source/critical_section_linux.cc
@@ -0,0 +1,38 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "critical_section_linux.h"
+
+namespace webrtc {
+CriticalSectionLinux::CriticalSectionLinux()
+{
+    pthread_mutexattr_t attr;
+    pthread_mutexattr_init(&attr);
+    pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+    pthread_mutex_init(&_mutex, &attr);
+}
+
+CriticalSectionLinux::~CriticalSectionLinux()
+{
+    pthread_mutex_destroy(&_mutex);
+}
+
+void
+CriticalSectionLinux::Enter()
+{
+    pthread_mutex_lock(&_mutex);
+}
+
+void
+CriticalSectionLinux::Leave()
+{
+    pthread_mutex_unlock(&_mutex);
+}
+} // namespace webrtc