OutputStream.cpp
上传用户:market2
上传日期:2018-11-18
资源大小:18786k
文件大小:2k
- /*
- * 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 "../Threading/MutexLocker.h"
- #include "OutputStream.h"
- namespace OSL {
- namespace {
- /**
- * @internal
- * A thread-safe wrapper class around an OutputStream,
- * used to implement OutputStream::createThreadSafe()
- */
- class ThreadSafeOutputStream: public OutputStream {
- private:
- Mutex mutex;
- OutputStream *wrapped;
- public:
- ThreadSafeOutputStream(OutputStream *wrapped) {
- this->wrapped = wrapped;
- wrapped->ref();
- }
- ~ThreadSafeOutputStream() {
- wrapped->unref();
- }
- virtual void
- close() {
- MutexLocker lock(mutex);
- wrapped->close();
- }
- virtual void
- flush() throw(IOException) {
- MutexLocker lock(mutex);
- wrapped->flush();
- }
- virtual unsigned int
- write(const char *data, unsigned int size) throw(IOException) {
- MutexLocker lock(mutex);
- return wrapped->write(data, size);
- }
- };
- }
- OutputStream *
- OutputStream::createThreadSafe() throw() {
- return new ThreadSafeOutputStream(this);
- }
- }