diff options
author | Neo2003 <none@none> | 2008-10-02 16:23:55 -0500 |
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committer | Neo2003 <none@none> | 2008-10-02 16:23:55 -0500 |
commit | 9b1c0e006f20091f28f3f468cfcab1feb51286bd (patch) | |
tree | b5d1ba94a656e6679f8737f9ea6bed1239b73b14 /dep/src/zthread/win32/ThreadOps.h |
[svn] * Proper SVN structureinit
--HG--
branch : trunk
Diffstat (limited to 'dep/src/zthread/win32/ThreadOps.h')
-rw-r--r-- | dep/src/zthread/win32/ThreadOps.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/dep/src/zthread/win32/ThreadOps.h b/dep/src/zthread/win32/ThreadOps.h new file mode 100644 index 00000000000..4a3eeac2ed9 --- /dev/null +++ b/dep/src/zthread/win32/ThreadOps.h @@ -0,0 +1,152 @@ +/* + * 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 __ZTTHREADOPS_H__ +#define __ZTTHREADOPS_H__ + +#include "zthread/Priority.h" +#include <windows.h> +#include <assert.h> + +namespace ZThread { + +class Runnable; + +/** + * @class ThreadOps + * @author Eric Crahen <http://www.code-foo.com> + * @date <2003-07-16T23:33:59-0400> + * @version 2.2.8 + * + * This class is an abstraction used to perform various operations on a + * native WIN32 thread. + */ +class ThreadOps { + + //! Dispatch function for native thread + static unsigned int __stdcall _dispatch(void*); + + //! TID while the thread is executing. + HANDLE _hThread; + DWORD _tid; + + ThreadOps(DWORD tid) : _tid(tid) { } + + public: + + const static ThreadOps INVALID; + + /** + * Create a new ThreadOps to represent a native thread. + */ + ThreadOps() : _tid(0), _hThread(NULL) {} + + + inline bool operator==(const ThreadOps& ops) const { + return _tid == ops._tid; + } + + + static ThreadOps self() { + return ThreadOps(::GetCurrentThreadId()); + } + + /** + * Update the native tid for this thread so it matches the current + * thread. + */ + static void activate(ThreadOps* ops) { + + assert(ops); + assert(ops->_tid == 0); + + ops->_tid = ::GetCurrentThreadId(); + + } + + /** + * Test if this object representative of the currently executing + * native thread. + * + * @return bool true if successful + */ + static bool isCurrent(ThreadOps* ops) { + + assert(ops); + + return ops->_tid == ::GetCurrentThreadId(); + + } + + /** + * Join a native thread. + * + * @return bool true if successful + */ + static bool join(ThreadOps*); + + /** + * Force the current native thread to yield, letting the scheduler + * give the CPU time to another thread. + * + * @return bool true if successful + */ + static bool yield(); + + /** + * Set the priority for the native thread if supported by the + * system. + * + * @param PRIORITY requested priority + * @return bool false if unsuccessful + */ + static bool setPriority(ThreadOps*, Priority); + + /** + * Set the priority for the native thread if supported by the + * system. + * + * @param Thread::PRIORITY& current priority + * @return bool false if unsuccessful + */ + static bool getPriority(ThreadOps*, Priority&); + +protected: + + /** + * Spawn a native thread. + * + * @param ThreadImpl* parent thread + * @param ThreadImpl* child thread being started. + * @param Runnable* task being executed. + * + * @return bool true if successful + */ + bool spawn(Runnable*); + + +}; + + +} + +#endif |