/* | |
* 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 "CountDownLatch.h" | |
using namespace decaf; | |
using namespace decaf::lang; | |
using namespace decaf::util; | |
using namespace decaf::util::concurrent; | |
//////////////////////////////////////////////////////////////////////////////// | |
CountDownLatch::CountDownLatch( int count ) | |
{ | |
this->count = count; | |
} | |
//////////////////////////////////////////////////////////////////////////////// | |
CountDownLatch::~CountDownLatch() | |
{ | |
try { | |
synchronized( &mutex ) { | |
mutex.notifyAll(); | |
} | |
} | |
DECAF_CATCHALL_NOTHROW() | |
} | |
//////////////////////////////////////////////////////////////////////////////// | |
void CountDownLatch::await() throw ( lang::Exception ) { | |
try { | |
synchronized( &mutex ) { | |
if( count == 0 ){ | |
return; | |
} | |
mutex.wait(); | |
} | |
} | |
DECAF_CATCH_RETHROW( lang::Exception ) | |
DECAF_CATCHALL_THROW( lang::Exception ) | |
} | |
//////////////////////////////////////////////////////////////////////////////// | |
bool CountDownLatch::await( unsigned long timeOut ) throw ( lang::Exception ) { | |
try { | |
synchronized( &mutex ) { | |
if( count == 0 ){ | |
return true; | |
} | |
mutex.wait( timeOut ); | |
return count == 0; | |
} | |
return true; | |
} | |
DECAF_CATCH_RETHROW( lang::Exception ) | |
DECAF_CATCHALL_THROW( lang::Exception ) | |
} | |
//////////////////////////////////////////////////////////////////////////////// | |
void CountDownLatch::countDown() { | |
try { | |
if( count == 0 ) { | |
return; | |
} | |
synchronized( &mutex ) { | |
count--; | |
// Signal when done. | |
if( count == 0 ){ | |
mutex.notifyAll(); | |
} | |
} | |
} | |
DECAF_CATCHALL_NOTHROW() | |
} |