| /************************************************************** |
| * |
| * 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 <salhelper/condition.hxx> |
| #include <osl/time.h> |
| |
| |
| using namespace salhelper; |
| |
| |
| /****************************************************************** |
| * * |
| * Condition * |
| * * |
| ******************************************************************/ |
| |
| Condition::Condition(osl::Mutex& aMutex) |
| : m_aMutex(aMutex), |
| m_aCondition(osl_createCondition()) |
| { |
| } |
| |
| |
| Condition::~Condition() |
| { |
| osl_destroyCondition(m_aCondition); |
| } |
| |
| |
| /****************************************************************** |
| * * |
| * ConditionModifier * |
| * * |
| ******************************************************************/ |
| |
| ConditionModifier::ConditionModifier(Condition& aCond) |
| : m_aCond(aCond) |
| { |
| m_aCond.m_aMutex.acquire(); |
| } |
| |
| |
| ConditionModifier::~ConditionModifier() |
| { |
| if(m_aCond.applies()) |
| osl_setCondition(m_aCond.m_aCondition); |
| |
| m_aCond.m_aMutex.release(); |
| } |
| |
| |
| |
| /****************************************************************** |
| * * |
| * ConditionWaiter * |
| * * |
| ******************************************************************/ |
| |
| ConditionWaiter::timedout::timedout() {} |
| |
| ConditionWaiter::timedout::timedout(timedout const &) {} |
| |
| ConditionWaiter::timedout::~timedout() {} |
| |
| ConditionWaiter::timedout & |
| ConditionWaiter::timedout::operator =(timedout const &) { return *this; } |
| |
| ConditionWaiter::ConditionWaiter(Condition& aCond) |
| : m_aCond(aCond) |
| { |
| while(true) { |
| osl_waitCondition(m_aCond.m_aCondition,0); |
| m_aCond.m_aMutex.acquire(); |
| |
| if(m_aCond.applies()) |
| break; |
| else { |
| osl_resetCondition(m_aCond.m_aCondition); |
| m_aCond.m_aMutex.release(); |
| } |
| } |
| } |
| |
| |
| ConditionWaiter::ConditionWaiter(Condition& aCond,sal_uInt32 milliSec) |
| throw( |
| ConditionWaiter::timedout |
| ) |
| : m_aCond(aCond) |
| { |
| TimeValue aTime; |
| aTime.Seconds = milliSec / 1000; |
| aTime.Nanosec = 1000000 * ( milliSec % 1000 ); |
| |
| while(true) { |
| if( osl_waitCondition(m_aCond.m_aCondition,&aTime) == |
| osl_cond_result_timeout ) |
| throw timedout(); |
| |
| m_aCond.m_aMutex.acquire(); |
| |
| if(m_aCond.applies()) |
| break; |
| else { |
| osl_resetCondition(m_aCond.m_aCondition); |
| m_aCond.m_aMutex.release(); |
| } |
| } |
| } |
| |
| |
| ConditionWaiter::~ConditionWaiter() |
| { |
| if(! m_aCond.applies()) |
| osl_resetCondition(m_aCond.m_aCondition); |
| m_aCond.m_aMutex.release(); |
| } |