Gem 096ed6ef786b7a9d6e11a437ff8526619c89a1fd osx/x86_64

built 'master:096ed6ef786b7a9d6e11a437ff8526619c89a1fd' for osx/x86_64

1 files changed, 39 insertions, 0 deletions

diff --git a/Gem/develop/include/Gem/Utils/ThreadSemaphore.h b/Gem/develop/include/Gem/Utils/ThreadSemaphore.h
new file mode 100644
index 0000000..3a57a4c
--- /dev/null
+++ b/Gem/develop/include/Gem/Utils/ThreadSemaphore.h
@@ -0,0 +1,39 @@
+/*-----------------------------------------------------------------
+LOG
+    GEM - Graphics Environment for Multimedia
+
+	- locks a thread (wrapper around pthread's cond_t)
+
+    Copyright (c) 2011-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
+    For information on usage and redistribution, and for a DISCLAIMER OF ALL
+    WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
+
+-----------------------------------------------------------------*/
+
+#ifndef _INCLUDE__GEM_GEM_THREADSEMAPHORE_H_
+#define _INCLUDE__GEM_GEM_THREADSEMAPHORE_H_
+
+
+#include "Gem/ExportDef.h"
+
+namespace gem {
+  namespace thread {
+    class GEM_EXTERN Semaphore {
+    private:
+      class PIMPL;
+      PIMPL*m_pimpl;
+    public:
+      Semaphore(void);
+      virtual ~Semaphore(void);
+      Semaphore(const Semaphore&);
+
+      /** block the current thread until the Semaphore is thaw()ed again */
+      void freeze (void);
+      /** unblock any waiting threads */
+      void thaw   (void);
+
+      virtual Semaphore&operator=(const Semaphore&);
+    };
+  };
+};
+#endif /* _INCLUDE__GEM_GEM_THREADSEMAPHORE_H_ */