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148 lines (138 loc) · 4.13 KB
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/*
* Copyright 2013, Jeffery Qiu. All rights reserved.
*
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE(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.gnu.org/licenses/lgpl.html
*
* 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.
*/
//// Author: Jeffery Qiu (dungeonsnd at gmail dot com)
////
#include "cppfoundation/cf_condition.hpp"
namespace cf
{
class PthreadCondAttrGuard : public NonCopyable
{
public:
PthreadCondAttrGuard(pthread_condattr_t & Attr):_Attr(Attr)
{
cf_int rt =pthread_condattr_init(&_Attr);
if (0!=rt)
_THROW_FMT(SyscallExecuteError,
"Failed to execute pthread_condattr_init , rt=%d !",rt);
}
~PthreadCondAttrGuard()
{
if(0!=pthread_condattr_destroy(&_Attr))
;
}
private:
pthread_condattr_t & _Attr;
};
PthreadCond::PthreadCond()
{
cf_int rt =pthread_cond_init(&_cond, NULL);
if (0!=rt)
_THROW_FMT(SyscallExecuteError, "Failed to execute pthread_cond_init , rt=%d !",
rt);
}
PthreadCond::~PthreadCond()
{
cf_int rt =pthread_cond_destroy(&_cond);
if (0!=rt)
{
// Don't throw exception in destructor! Maybe can write log here!
}
}
cf_void PthreadCond::Wait() cf_const
{
cf_int rt =pthread_cond_wait(&_cond, &_pthreadMutex.GetMutex());
if (0!=rt)
_THROW_FMT(SyscallExecuteError, "Failed to execute pthread_cond_wait , rt=%d !",rt);
}
bool PthreadCond::Wait(cf_uint32 timeoutMilliseconds)
{
struct timespec ts;
ts.tv_sec =timeoutMilliseconds/1000;
ts.tv_nsec =timeoutMilliseconds%1000 * 1000000;
cf_int rt = pthread_cond_timedwait(&_cond, &_pthreadMutex.GetMutex(), &ts);
if (0==rt)
return true;
else if (0!=rt&& ETIMEDOUT==errno)
return false;
else
_THROW_FMT(SyscallExecuteError,
"Failed to execute pthread_cond_timedwait , rt=%d !",rt);
}
cf_void PthreadCond::Signal() cf_const
{
cf_int rt =pthread_cond_signal(&_cond);
if (0!=rt)
_THROW_FMT(SyscallExecuteError, "Failed to execute pthread_cond_signal , rt=%d !",rt);
}
cf_void PthreadCond::Broadcast() cf_const
{
cf_int rt =pthread_cond_broadcast(&_cond);
if (0!=rt)
_THROW_FMT(SyscallExecuteError, "Failed to execute pthread_cond_broadcast , rt=%d !",rt);
}
PthreadMutex & PthreadCond::GetLock()
{
return _pthreadMutex;
}
RawPthreadCondition::RawPthreadCondition(pthread_cond_t * cond,
pthread_mutex_t * mutex)
:_cond(cond),
_rawPthreadMutex(mutex)
{
}
RawPthreadCondition::~RawPthreadCondition()
{
}
cf_void RawPthreadCondition::Wait()
{
cf_int rt =pthread_cond_wait(_cond, &_rawPthreadMutex.GetMutex());
if (0!=rt)
_THROW_FMT(SyscallExecuteError, "Failed to execute pthread_cond_wait , rt=%d !",
rt);
}
bool RawPthreadCondition::Wait(cf_uint32 timeoutMilliseconds)
{
struct timespec ts;
ts.tv_sec =timeoutMilliseconds/1000;
ts.tv_nsec =timeoutMilliseconds%1000 * 1000000;
cf_int rt = pthread_cond_timedwait(_cond, &_rawPthreadMutex.GetMutex(), &ts);
if (0==rt)
return true;
else if (0!=rt&& ETIMEDOUT==errno)
return false;
else
_THROW_FMT(SyscallExecuteError,
"Failed to execute pthread_cond_timedwait , rt=%d !",rt);
}
cf_void RawPthreadCondition::Signal()
{
cf_int rt =pthread_cond_signal(_cond);
if (0!=rt)
_THROW_FMT(SyscallExecuteError,
"Failed to execute pthread_cond_signal , rt=%d !",rt);
}
cf_void RawPthreadCondition::Broadcast()
{
cf_int rt =pthread_cond_broadcast(_cond);
if (0!=rt)
_THROW_FMT(SyscallExecuteError,
"Failed to execute pthread_cond_broadcast , rt=%d !",rt);
}
RawPthreadMutex & RawPthreadCondition::GetLock()
{
return _rawPthreadMutex;
}
} // namespace cf