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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "qpid/sys/Thread.h"
#include "qpid/sys/Runnable.h"
#include "qpid/sys/posix/check.h"
#include <pthread.h>
namespace qpid {
namespace sys {
namespace {
void* runRunnable(void* p)
{
static_cast<Runnable*>(p)->run();
return 0;
}
}
class ThreadPrivate {
public:
pthread_t thread;
ThreadPrivate(Runnable* runnable) {
QPID_POSIX_ASSERT_THROW_IF(::pthread_create(&thread, NULL, runRunnable, runnable));
}
ThreadPrivate() : thread(::pthread_self()) {}
};
Thread::Thread() {}
Thread::Thread(Runnable* runnable) : impl(new ThreadPrivate(runnable)) {}
Thread::Thread(Runnable& runnable) : impl(new ThreadPrivate(&runnable)) {}
Thread::operator bool() {
return impl;
}
bool Thread::operator==(const Thread& t) const {
return ::pthread_equal(impl->thread, t.impl->thread) != 0;
}
bool Thread::operator!=(const Thread& t) const {
return !(*this==t);
}
void Thread::join(){
if (impl) {
QPID_POSIX_ASSERT_THROW_IF(::pthread_join(impl->thread, 0));
}
}
unsigned long Thread::logId() {
// This does need to be the C cast operator as
// pthread_t could be either a pointer or an integer
// and so we can't know static_cast<> or reinterpret_cast<>
return (unsigned long) ::pthread_self();
}
Thread Thread::current() {
Thread t;
t.impl.reset(new ThreadPrivate());
return t;
}
}}
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