- Main Page
- Namespaces
- Classes
- Files

- File List

# Thread.cpp

    00001
    00002 //
    00003 // SFML - Simple and Fast Multimedia Library
    00004 // Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
    00005 //
    00006 // This software is provided 'as-is', without any express or implied warranty.
    00007 // In no event will the authors be held liable for any damages arising from the use of this software.
    00008 //
    00009 // Permission is granted to anyone to use this software for any purpose,
    00010 // including commercial applications, and to alter it and redistribute it freely,
    00011 // subject to the following restrictions:
    00012 //
    00013 // 1. The origin of this software must not be misrepresented;
    00014 //    you must not claim that you wrote the original software.
    00015 //    If you use this software in a product, an acknowledgment
    00016 //    in the product documentation would be appreciated but is not required.
    00017 //
    00018 // 2. Altered source versions must be plainly marked as such,
    00019 //    and must not be misrepresented as being the original software.
    00020 //
    00021 // 3. This notice may not be removed or altered from any source distribution.
    00022 //
    00024
    00026 // Headers
    00028 #include <SFML/System/Win32/Thread.hpp>
    00029 #include <process.h>
    00030 #include <iostream>
    00031
    00032
    00033 namespace sf
    00034 {
    00038 Thread::Thread() :
    00039 myHandle  (NULL),
    00040 myFunction(NULL),
    00041 myUserData(NULL)
    00042 {
    00043
    00044 }
    00045
    00046
    00050 Thread::Thread(Thread::FuncType Function, void* UserData) :
    00051 myHandle  (NULL),
    00052 myFunction(Function),
    00053 myUserData(UserData)
    00054 {
    00055
    00056 }
    00057
    00058
    00062 Thread::~Thread()
    00063 {
    00064     // Wait for the thread to finish before destroying the instance
    00065     if (myHandle)
    00066         Wait();
    00067 }
    00068
    00069
    00073 void Thread::Launch()
    00074 {
    00075     // Create the thread
    00076     myHandle = reinterpret_cast<HANDLE>(_beginthreadex(NULL, 0, &Thread::ThreadFunc, this, 0, NULL));
    00077
    00078     // Error ?
    00079     if (myHandle == NULL)
    00080         std::cerr << "Failed to create thread" << std::endl;
    00081 }
    00082
    00083
    00087 void Thread::Wait()
    00088 {
    00089     if (myHandle)
    00090     {
    00091         // Wait for the thread to finish, no timeout
    00092         WaitForSingleObject(myHandle, INFINITE);
    00093
    00094         // Don't forget to close the thread handle (__endthreadex doesn't do it)
    00095         CloseHandle(myHandle);
    00096         myHandle = NULL;
    00097     }
    00098 }
    00099
    00100
    00107 void Thread::Terminate()
    00108 {
    00109     if (myHandle)
    00110     {
    00111         TerminateThread(myHandle, 0);
    00112         myHandle = NULL;
    00113     }
    00114 }
    00115
    00116
    00120 void Thread::Run()
    00121 {
    00122     if (myFunction)
    00123         myFunction(myUserData);
    00124 }
    00125
    00126
    00130 unsigned int __stdcall Thread::ThreadFunc(void* UserData)
    00131 {
    00132     // The Thread instance is stored in the user data
    00133     Thread* ThreadInstance = reinterpret_cast<Thread*>(UserData);
    00134
    00135     // Forward to the instance
    00136     ThreadInstance->Run();
    00137
    00138     // Optional, but it is cleaner
    00139     _endthreadex(0);
    00140
    00141     return 0;
    00142 }
    00143
    00144 } // namespace sf

:: Copyright © 2007-2008 Laurent Gomila, all rights reserved :: Documentation generated by doxygen 1.5.2 ::