Thread.cpp
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上传日期:2018-11-18
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文件大小:2k
- /*
- * OpenKore C++ Standard Library
- * Copyright (C) 2006,2007 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
- */
- // Do not compile this file independently, it's supposed to be automatically
- // included by another source file.
- class PosixThread: public ThreadImplementation {
- private:
- pthread_t thread;
- Runnable *runnable;
- bool detached;
- bool runnableShouldBeFreed;
- static void *
- entry(void *arg) {
- PosixThread *self = (PosixThread *) arg;
- self->runnable->run();
- if (self->detached && self->runnableShouldBeFreed) {
- delete self->runnable;
- }
- self->unref();
- return NULL;
- }
- public:
- virtual void
- start(Runnable *runnable, bool detached, bool runnableShouldBeFreed) throw(ThreadException) {
- this->runnable = runnable;
- this->detached = detached;
- this->runnableShouldBeFreed = runnableShouldBeFreed;
- if (detached) {
- pthread_attr_t attr;
- if (pthread_attr_init(&attr) != 0) {
- throw ThreadException("Cannot initialize pthread attribute.");
- }
- if (pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED) != 0) {
- throw ThreadException("Cannot set pthread detach state.");
- }
- ref();
- if (pthread_create(&thread, &attr, entry, this) != 0) {
- unref();
- throw ThreadException("Cannot create a thread.");
- }
- pthread_attr_destroy(&attr);
- } else {
- ref();
- if (pthread_create(&thread, NULL, entry, this) != 0) {
- unref();
- throw ThreadException("Cannot create a thread.");
- }
- }
- }
- virtual void
- join() {
- pthread_join(thread, NULL);
- }
- };