1 files changed, 52 insertions, 0 deletions
diff --git a/source/api_wrappers/linux/CCriticalSection.h b/source/api_wrappers/linux/CCriticalSection.h
new file mode 100644
index 0000000..bbe95c4
--- /dev/null
+++ b/source/api_wrappers/linux/CCriticalSection.h
@@ -0,0 +1,52 @@
+/*******************************************************************************
+ * Copyright (C) ST-Ericsson SA 2011
+ * License terms: 3-clause BSD license
+ ******************************************************************************/
+
+#ifndef _CCRITICALSECTION_H
+#define _CCRITICALSECTION_H
+
+#include "pthread.h"
+class CCriticalSectionObject
+{
+    friend class CLockCS;
+public:
+    CCriticalSectionObject() {
+        pthread_mutexattr_init(&recursivem);
+        pthread_mutexattr_settype(&recursivem, PTHREAD_MUTEX_RECURSIVE);
+        pthread_mutex_init(&m_CriticalSection, &recursivem);
+    }
+    ~CCriticalSectionObject() {
+        pthread_mutexattr_destroy(&recursivem);
+        pthread_mutex_destroy(&m_CriticalSection);
+    }
+    inline void Enter() {
+        pthread_mutex_lock(&m_CriticalSection);
+    }
+    inline void Leave() {
+        pthread_mutex_unlock(&m_CriticalSection);
+    }
+private:
+    pthread_mutexattr_t recursivem;
+    mutable pthread_mutex_t m_CriticalSection;
+};
+
+// Basic lock class used to enter and leave the CRITICAL_SECTION private member of a
+// CCriticalSection object. Create a CLock object in scope that needs to be
+// synchronized and pass the shared CCriticalSection object used to synchronize the
+// resource to protect. The destructor calls the Leave method when leaving scope.
+class CLockCS
+{
+public:
+    CLockCS(CCriticalSectionObject &cs) : m_CriticalSectionObject(cs) {
+        m_CriticalSectionObject.Enter();
+    }
+    ~CLockCS() {
+        m_CriticalSectionObject.Leave();
+    }
+private:
+    CCriticalSectionObject &m_CriticalSectionObject;
+};
+
+#endif /* _CCRITICALSECTION_H */
+