/*
* 목적 : 큐에 데이큐 데이터 추출을 위한 뮤텍스 추가
* queue - queue handler
* status - 데이터 추출 결과 상태 저장
* 반환값 : 추추출된 데이터의 포인터
* 개정 이력 : 2016.03.17 초기작성
*/
void* qPopMutex (Queue *queue, status_t *status)
{
status_t _status;
QLink *qlinkCurrentTail;
_status = pthread_mutex_lock(&queue->mutex);
*status = _status;
if (_status != EOK){
printLog( "by pcw : gQueue.c : %d... \n",__LINE__);
qlinkCurrentTail = NULL;
}else{
qlinkCurrentTail = qPop(queue, status);
}
pthread_mutex_unlock(&queue->mutex);
return((void *)qlinkCurrentTail);
}
// Starts the event loop. While the event is still running, pop items off the queue and
// execute their functions
void startEventLoop( void * handle, void (*initialFunction )( void * ),
void * initialArgument ){
Handle * hand = ( Handle * )handle;
EventQueue * que = hand->cue;
qInsert( que, initialFunction, initialArgument );
if( pthread_mutex_lock( &hand->mu ) != 0 ){
fprintf( stderr, "Error in mutex lock.\n" );
exit( -1 );
}
while( hand->terminated != 1 ){
while( qIsEmpty( que ) == 1 ){
if( pthread_cond_wait( &hand->cv, &hand->mu ) != 0 ){
fprintf( stderr, "Error in cond_wait\n" );
exit( -1 );
}
}
if( qIsEmpty( que ) == 0 ){
qEntry * popped = qPop( que );
void ( *f )( void * ) = popped->func;
void * arg = popped->args;
free( popped );
f( arg );
}
}
if( pthread_mutex_unlock( &hand->mu ) != 0 ){
fprintf( stderr, "error in mutex unlock\n" );
exit( -1 );
}
}
