ret = pthread_mutex_give(mutex); } sched_unlock(); } pthread_mutex_give函数 { ret = nxsem_post(sem); } int nxsem_post(FAR sem_t *sem) 进入临界区 Semcount计数器加一; 当semcount的值小于等于0时,说明有任务在等待这个信号,需要进行调度。
pthread_join(tidB, NULL);return0; }void*doit(void*arg) {inti, val;for(i=0; i<NLOOP; i++) { pthread_mutex_lock(&counter_mutex); val=counter; printf("%x: %d\n", (unsignedint)pthread_self(), val+1); counter= val +1; pthread_mutex_unlock(&counter_mutex); }returnNULL; } 运...
dt_pthread_mutex_lock(&(darktable.control->global_mutex));int32_tresult = darktable.control->mouse_over_id;dt_pthread_mutex_unlock(&(darktable.control->global_mutex));returnresult; } 开发者ID:fhrtms,项目名称:darktable,代码行数:7,代码来源:control.c 示例7: dt_control_log_ack_all ▲点赞 ...
Pthread_mutex_lock(&nready.mutex);if(nready.nconsumer >0) {Pthread_mutex_unlock(&nready.mutex);continue; }elseif(nready.nget >= nitems) {Pthread_mutex_unlock(&nready.mutex);return(NULL); }else{ nready.nconsumer++;while(nready.nready ==0) Pthread_cond_wait(&nready.cond, &nready...