Thread.cpp
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上传日期:2018-11-18
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文件大小:3k
- /*
- * OpenKore C++ Standard Library
- * Copyright (C) 2006 VCL
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
- #include "Thread.h"
- #ifdef WIN32
- #define WIN32_LEAN_AND_MEAN
- #include <windows.h>
- #else
- #include <pthread.h>
- #endif
- namespace OSL {
- ThreadException::ThreadException(const char *msg, int code)
- : Exception(msg, code)
- {
- }
- namespace {
- /**
- * An interface which implements an operating-specific thread.
- */
- class ThreadImplementation: public Object {
- public:
- virtual ~ThreadImplementation() {}
-
- /**
- * Start a new thread which runs <tt>runnable</tt>.
- * This function may only be called once.
- *
- * If the thread was successfully started, then the reference count
- * will be incremented by 1.
- *
- * @param detached Whether to start the thread in detached mode.
- * @param runnableShouldBeFreed Whether <tt>runnable</tt> should be freed
- * after the thread has exited, but only if <tt>detached</tt>
- * is set to true.
- * @require runnable != NULL
- * @throws ThreadException If the thread cannot be started.
- */
- virtual void start(Runnable *runnable, bool detached,
- bool runnableShouldBeFreed) throw(ThreadException) = 0;
-
- /**
- * Join this thread. This function may only be called once.
- *
- * @require start() has been called before.
- */
- virtual void join() = 0;
- };
- #ifdef WIN32
- #include "Win32/Thread.cpp"
- #else
- #include "Unix/Thread.cpp"
- #endif
- }
- Thread::Thread(bool detached) {
- runnable = NULL;
- init(detached);
- }
- Thread::Thread(Runnable *runnable, bool detached) {
- this->runnable = runnable;
- init(detached);
- }
- Thread::~Thread() {
- if (runnable != NULL && !detached) {
- delete runnable;
- }
- static_cast<ThreadImplementation *>(impl)->unref();
- }
- void
- Thread::init(bool detached) {
- this->detached = detached;
- #ifdef WIN32
- impl = new Win32Thread();
- #else
- impl = new PosixThread();
- #endif
- }
- void
- Thread::start() throw(ThreadException) {
- if (runnable != NULL) {
- static_cast<ThreadImplementation *>(impl)->start(runnable, detached, true);
- } else {
- static_cast<ThreadImplementation *>(impl)->start(this, detached, false);
- }
- }
- void
- Thread::interrupt() {
- }
- void
- Thread::join() {
- static_cast<ThreadImplementation *>(impl)->join();
- }
- void
- Thread::run() {
- // Default implementation does nothing.
- }
- }