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59 lines
1.3 KiB
59 lines
1.3 KiB
#include "ConditionVariable.hpp"
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#include "Common.hpp"
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#include <time.h>
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#include <assert.h>
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ConditionVariable::ConditionVariable(const Mutex* const mutex)
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: m_mutex(mutex)
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{
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TRACE(this);
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int ret = pthread_cond_init( &m_condVar, 0 );
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assert( ret == 0);
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}
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ConditionVariable::~ConditionVariable()
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{
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TRACE(this);
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int ret = pthread_cond_destroy( &m_condVar );
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assert( ret == 0);
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}
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void ConditionVariable::wait(const int interval)
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{
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TRACE(this);
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if ( interval == 0 ) {
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int ret = pthread_cond_wait( &m_condVar,
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const_cast<Mutex*>(m_mutex)->getPThreadMutex() );
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assert( ret == 0);
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} else {
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timespec abs_time;
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clock_gettime ( CLOCK_REALTIME, &abs_time );
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abs_time.tv_nsec += interval * 1000000;
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if ( abs_time.tv_nsec >= 1000000000 ) {
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abs_time.tv_nsec -= 1000000000;
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abs_time.tv_sec += 1;
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}
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int ret = pthread_cond_timedwait( &m_condVar,
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const_cast<Mutex*>(m_mutex)->getPThreadMutex(),
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&abs_time );
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assert( ret == 0);
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}
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}
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void ConditionVariable::signal()
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{
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TRACE(this);
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int ret = pthread_cond_signal( &m_condVar );
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assert( ret == 0);
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}
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void ConditionVariable::broadcast()
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{
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TRACE(this);
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int ret = pthread_cond_broadcast( &m_condVar );
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assert( ret == 0);
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}
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