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authorNeo2003 <none@none>2008-10-02 16:23:55 -0500
committerNeo2003 <none@none>2008-10-02 16:23:55 -0500
commit9b1c0e006f20091f28f3f468cfcab1feb51286bd (patch)
treeb5d1ba94a656e6679f8737f9ea6bed1239b73b14 /dep/src/zthread/win32/TSS.h
[svn] * Proper SVN structureinit
--HG-- branch : trunk
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+/*
+ * Copyright (c) 2005, Eric Crahen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __ZTTSS_H__
+#define __ZTTSS_H__
+
+#include <windows.h>
+
+namespace ZThread {
+
+ /**
+ * @class TSS
+ * @author Eric Crahen <http://www.code-foo.com>
+ * @date <2003-07-27T14:18:43-0400>
+ * @version 2.3.0
+ *
+ * An abstraction for dealing with WIN32 thread specific storage (tss).
+ * Provides get/set and creation/destruction.
+ */
+ template <typename T>
+ class TSS {
+
+ DWORD _key;
+ bool _valid;
+
+ public:
+
+ /**
+ * Create a new object for accessing tss. The def
+ */
+ TSS() {
+
+ _key = ::TlsAlloc();
+ _valid = (_key != 0xFFFFFFFF);
+
+ }
+
+ /**
+ * Destroy the underlying supoprt for accessing tss with this
+ * object.
+ */
+ virtual ~TSS() {
+
+ if(_valid)
+ ::TlsFree(_key);
+
+ }
+
+ /**
+ * Get the value stored in tss.
+ *
+ * @return T
+ *
+ * @exception InvalidOp_exception thrown when the tss is not properly initialized
+ */
+ inline T get() const {
+
+ if(!_valid)
+ throw InvalidOp_Exception();
+
+ return static_cast<T>(::TlsGetValue(_key));
+
+ }
+
+ /**
+ * Store a value in tss.
+ *
+ * @param value T
+ * @return T old value
+ *
+ * @exception InvalidOp_exception thrown when the tss is not properly initialized
+ */
+ inline T set(T value) const {
+
+ T oldValue = get();
+ ::TlsSetValue(_key, value);
+
+ return oldValue;
+
+ }
+
+
+ };
+
+}
+
+#endif
+
+