1 files changed, 57 insertions, 0 deletions
diff --git a/FoundationEx/ThreadSync.h b/FoundationEx/ThreadSync.h
new file mode 100644
index 0000000..274bb7f
--- /dev/null
+++ b/FoundationEx/ThreadSync.h
@@ -0,0 +1,57 @@
+/*  Project nGen
+    John DiCamillo
+    Copyright © 1997-2001. All Rights Reserved.
+
+    SUBSYSTEM:    foundation
+    FILE:         ThreadSync.h
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Declaration of the ThreadSync class
+*/
+
+#ifndef ThreadSync_h
+#define ThreadSync_h
+
+#include <windows.h>
+
+// +-------------------------------------------------------------------+
+
+class ThreadSync
+{
+#if defined(_MT)        // MULTITHREADED: WITH SYNC ------------
+   CRITICAL_SECTION sync;
+
+public:
+   ThreadSync()   { ::InitializeCriticalSection(&sync); }
+   ~ThreadSync()  { ::DeleteCriticalSection(&sync);     }
+   
+   void acquire() { ::EnterCriticalSection(&sync);      }
+   void release() { ::LeaveCriticalSection(&sync);      }
+
+#else                   // SINGLE THREADED: NO SYNC ------------
+
+public:
+   ThreadSync()   { }
+   ~ThreadSync()  { }
+   
+   void acquire() { }
+   void release() { }
+
+#endif
+};
+
+// +-------------------------------------------------------------------+
+
+class AutoThreadSync
+{
+public:
+   AutoThreadSync(ThreadSync& s) : sync(s)   { sync.acquire(); }
+   ~AutoThreadSync()                         { sync.release(); }
+private:
+   ThreadSync& sync;
+};
+
+#endif ThreadSync_h