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[Hgengine-cvs] SF.net SVN: hgengine:[74] Mercury2/src
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From: <axl...@us...> - 2008-12-13 17:23:09
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Revision: 74
http://hgengine.svn.sourceforge.net/hgengine/?rev=74&view=rev
Author: axlecrusher
Date: 2008-12-13 17:23:05 +0000 (Sat, 13 Dec 2008)
Log Message:
-----------
add mercury semaphore
Added Paths:
-----------
Mercury2/src/MSemaphore.cpp
Mercury2/src/MSemaphore.h
Added: Mercury2/src/MSemaphore.cpp
===================================================================
--- Mercury2/src/MSemaphore.cpp (rev 0)
+++ Mercury2/src/MSemaphore.cpp 2008-12-13 17:23:05 UTC (rev 74)
@@ -0,0 +1,73 @@
+#include <MSemaphore.h>
+
+MSemaphore::MSemaphore()
+ :m_counter(0)
+{
+}
+
+unsigned long MSemaphore::ReadValue()
+{
+ return __sync_or_and_fetch(&m_counter, 0);
+}
+
+unsigned long MSemaphore::Decrement()
+{
+ return __sync_sub_and_fetch(&m_counter, 1);
+}
+
+unsigned long MSemaphore::Increment()
+{
+ return __sync_add_and_fetch(&m_counter, 1);
+}
+
+MSemaphoreIncOnDestroy::MSemaphoreIncOnDestroy(MSemaphore* s)
+ :m_s(s)
+{
+}
+
+MSemaphoreIncOnDestroy::~MSemaphoreIncOnDestroy()
+{
+ m_s->Increment();
+}
+
+MSemaphoreDecOnDestroy::MSemaphoreDecOnDestroy(MSemaphore* s)
+ :m_s(s)
+{
+}
+
+MSemaphoreDecOnDestroy::~MSemaphoreDecOnDestroy()
+{
+ m_s->Decrement();
+}
+
+/****************************************************************************
+ * Copyright (C) 2008 by Joshua Allen *
+ * *
+ * *
+ * All rights reserved. *
+ * *
+ * Redistribution and use in source and binary forms, with or without *
+ * modification, are permitted provided that the following conditions *
+ * are met: *
+ * * Redistributions of source code must retain the above copyright *
+ * notice, this list of conditions and the following disclaimer. *
+ * * Redistributions in binary form must reproduce the above *
+ * copyright notice, this list of conditions and the following *
+ * disclaimer in the documentation and/or other materials provided *
+ * with the distribution. *
+ * * Neither the name of the Mercury Engine nor the names of its *
+ * contributors may be used to endorse or promote products derived *
+ * from this software without specific prior written permission. *
+ * *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR *
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT *
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY *
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE *
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
+ ***************************************************************************/
Added: Mercury2/src/MSemaphore.h
===================================================================
--- Mercury2/src/MSemaphore.h (rev 0)
+++ Mercury2/src/MSemaphore.h 2008-12-13 17:23:05 UTC (rev 74)
@@ -0,0 +1,66 @@
+#ifndef MSEMAPHORE_H
+#define MSEMAPHORE_H
+
+class MSemaphore
+{
+ public:
+ MSemaphore();
+
+ unsigned long ReadValue();
+ unsigned long Decrement();
+ unsigned long Increment();
+
+ private:
+ unsigned long m_counter;
+};
+
+class MSemaphoreIncOnDestroy
+{
+ public:
+ MSemaphoreIncOnDestroy(MSemaphore* s);
+ ~MSemaphoreIncOnDestroy();
+ private:
+ MSemaphore* m_s;
+};
+
+class MSemaphoreDecOnDestroy
+{
+ public:
+ MSemaphoreDecOnDestroy(MSemaphore* s);
+ ~MSemaphoreDecOnDestroy();
+ private:
+ MSemaphore* m_s;
+};
+
+#endif
+/****************************************************************************
+ * Copyright (C) 2008 by Joshua Allen *
+ * *
+ * *
+ * All rights reserved. *
+ * *
+ * Redistribution and use in source and binary forms, with or without *
+ * modification, are permitted provided that the following conditions *
+ * are met: *
+ * * Redistributions of source code must retain the above copyright *
+ * notice, this list of conditions and the following disclaimer. *
+ * * Redistributions in binary form must reproduce the above *
+ * copyright notice, this list of conditions and the following *
+ * disclaimer in the documentation and/or other materials provided *
+ * with the distribution. *
+ * * Neither the name of the Mercury Engine nor the names of its *
+ * contributors may be used to endorse or promote products derived *
+ * from this software without specific prior written permission. *
+ * *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR *
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT *
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY *
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE *
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
+ ***************************************************************************/
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