X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=common%2Fos_thread.hpp;h=fe7faaa004ae98fc318a07da9ea3aa174ee9fbec;hb=f91056b5782d48d526f19dacd5a988003fc6f11e;hp=7349255525276b47b36c3b5ba5aa7e3c4f4b6d81;hpb=5926761f1682c26266a78f2674e58beff3bfae88;p=apitrace

diff --git a/common/os_thread.hpp b/common/os_thread.hpp
index 7349255..fe7faaa 100644
--- a/common/os_thread.hpp
+++ b/common/os_thread.hpp
@@ -32,6 +32,7 @@
 #ifndef _OS_THREAD_HPP_
 #define _OS_THREAD_HPP_
 
+
 #ifdef _WIN32
 #include <windows.h>
 #else
@@ -41,6 +42,58 @@
 namespace os {
 
 
+    class recursive_mutex
+    {
+    public:
+#ifdef _WIN32
+        typedef CRITICAL_SECTION native_handle_type;
+#else
+        typedef pthread_mutex_t native_handle_type;
+#endif
+
+        recursive_mutex(void) {
+#ifdef _WIN32
+            InitializeCriticalSection(&_native_handle);
+#else
+            pthread_mutexattr_t attr;
+            pthread_mutexattr_init(&attr);
+            pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+            pthread_mutex_init(&_native_handle, &attr);
+            pthread_mutexattr_destroy(&attr);
+#endif
+        }
+
+        ~recursive_mutex() {
+#ifdef _WIN32
+            DeleteCriticalSection(&_native_handle);
+#else
+            pthread_mutex_destroy(&_native_handle);
+#endif
+        }
+
+        inline void
+        lock(void) {
+#ifdef _WIN32
+            EnterCriticalSection(&_native_handle);
+#else
+            pthread_mutex_lock(&_native_handle);
+#endif
+        }
+
+        inline void
+        unlock(void) {
+#ifdef _WIN32
+            LeaveCriticalSection(&_native_handle);
+#else
+            pthread_mutex_unlock(&_native_handle);
+#endif
+        }
+
+    private:
+        native_handle_type _native_handle;
+    };
+
+
     template <typename T>
     class thread_specific_ptr
     {