pthread_id_np_t tid; tid = pthread_getthreadid_np(); is significantly faster than these calls, but provides the same behavior. pthread_id_np_t tid; pthread_t self; self = pthread_self(); pthread_getunique_np(&self, &tid); As always, if you are calling any function too often, perf...
pthread_cond_wait releases it atomically */ } printf("Consumer Thread %.8x %.8x: All done\n",pthread_getthreadid_np()); rc = pthread_mutex_unlock(&dataMutex); checkResults("pthread_mutex_unlock()\n", rc); return NULL; } int main(int argc, char **argv) { pthread_t thread[NUMTHR...
有时候我们需要对一些posix变量只进行一次初始化，如线程键。如果我们进行多次初始化程序就会出现错误。在传统的顺序编程中，一次性初始化经常通过使用布尔变量来管理。控制变量被静态初始化为0，而任何依赖于初始化的代码都能测试该变量。如果变量值仍然为0，则它能实行初始化，然后将变量置为1。以后检查的代码将跳过...
("Thread %.8x %.8x: Entered\n", pthread_getthreadid_np()); printf("Thread %.8x %.8x: Working\n", pthread_getthreadid_np()); sleep(15); printf("Thread %.8x %.8x: Done with work\n", pthread_getthreadid_np()); return NULL; } int main(int argc, char **argv) { pthread_t ...
{ pthread_id_np_t tid; threadParm_t *p = (threadParm_t *)parm; tid = pthread_getthreadid_np(); printf("Thread ID %.8x, Parameters: %d is the answer to \"%s\"\n", tid.intId.lo, p->threadParm1, p->threadParm2); return NULL; } int main(int argc, char **argv) { ...
pthread_getthreadid_np(), gData->threadSpecific1, gData->threadSpecific2); bar(); } void bar() { threadSpecific_data_t *gData = pthread_getspecific(threadSpecificKey); printf("Thread %.8x %.8x: bar(), threadSpecific data=%d %d\n", pthread_getthreadid_np(), gData->threadSpecific1, ...
pthread_id_np_t tid; tid = pthread_getthreadid_np(); is significantly faster than these calls, but provides the same behavior. pthread_id_np_t tid; pthread_t self; self = pthread_self(); pthread_getunique_np(&self, &tid); As always, if you are calling any function too often, you...
pthread_cond_wait releases it atomically */ } printf("Consumer Thread %.8x %.8x: All done\n",pthread_getthreadid_np()); rc = pthread_mutex_unlock(&dataMutex); checkResults("pthread_mutex_unlock()\n", rc); return NULL; } int main(int argc, char **argv) { pthread_t thread[NUM...
("Thread %.8x %.8x: Entered\n", pthread_getthreadid_np()); rc = pthread_mutex_lock(&mutex); checkResults("pthread_mutex_lock()\n", rc); /*** Critical Section ***/ printf("Thread %.8x %.8x: Start critical section, holding lock\n", pthread_getthreadid_np()); /* Access to ...
pthread_cond_wait releases it atomically */ } printf("Consumer Thread %.8x %.8x: All done\n",pthread_getthreadid_np()); rc = pthread_mutex_unlock(&dataMutex); checkResults("pthread_mutex_unlock()\n", rc); return NULL; } int main(int argc, char **argv) { pthread_t thread[NUM...