{intret;/* if failt, it must out of memory */if(hurd_ihash_create(&speci_tb, HURD_IHASH_NO_LOCP) !=0)return-ENOMEM;/* add speci_tb to speci_tables */pthread_spin_lock(&__pthread_specific_lock); ret = find_elem_index_and_add_to_arry(speci_tb, &__pthread_specific_arry, (i...
int shared_data_cpp = 0; int shared_data_pthread = 0; void read_shared_data_cpp(int id) { for (int i = 0; i < NUM_ITERATIONS; ++i) { std::shared_lock<std::shared_mutex> lock(shared_mtx_cpp); // 模拟读取操作 } } void write_shared_data_cpp(int id, int value) { for (...
...如果自旋锁当前在解锁状态,pthread_spin_lock函数不要自旋就可以对它加锁,试图对没有加锁的自旋锁进行解锁,结果是未定义的。...需要注意,不要在持有自旋锁情况下可能会进入休眠状态的函数,如果调用了这些函数,会浪费CPU资源,其他线程需要获取自旋锁需要等待的时间更长了。 3....
alarm(5);/* Attempt to lock an uninitialized spinlock */rc = pthread_spin_lock(&spinlock);/* If we get here, call sig_handler() to check the return code of * pthread_spin_lock() */sig_handler();/* Unlock spinlock */pthread_spin_unlock(&spinlock);/* Destroy spinlock */pthread_spi...
销毁自旋锁 int pthread_spin_destroy(pthread_spinlock_t *); 2...初始化自旋锁 int pthread_spin_init(pthread_spinlock_t *, int); 3...自旋锁上锁(阻塞) int pthread_spin_lock(pthread_spinlock_t *); 4...自旋锁解锁 int pthread_spin_unlock(pthread_spinlock_t *); 以上函数成功都返回0. pthre...
pthread_spin_lock(&(AttitudeMesure->AttitudeLock));memcpy((void*) &DataM, (void*) &(AttitudeMesure->Data),sizeof(AttData));memcpy((void*) &SpeedM, (void*) &(AttitudeMesure->Speed),sizeof(AttData)); pthread_spin_unlock(&(AttitudeMesure->AttitudeLock)); ...
VCOS_STATUS_Tvcos_pthreads_timer_create(VCOS_TIMER_T *timer,constchar*name,void(*expiration_routine)(void*context),void*context){pthread_mutexattr_tlock_attr; VCOS_STATUS_T result = VCOS_SUCCESS;intsettings_changed_initialized =0;intlock_attr_initialized =0;intlock_initialized =0; ...
(pthread_spinlock_t *, int); 3...自旋锁上锁(阻塞) int pthread_spin_lock(pthread_spinlock_t *); 4...自旋锁上锁(非阻塞) int pthread_spin_trylock(pthread_spinlock_t *); 5...自旋锁解锁 int pthread_spin_unlock(pthread_spinlock_t *); 以上函数成功都返回0. pthread_spin_init 函数的pshare...
(pthread_spinlock_t *, int); 3...自旋锁上锁(阻塞) int pthread_spin_lock(pthread_spinlock_t *); 4...自旋锁上锁(非阻塞) int pthread_spin_trylock(pthread_spinlock_t *); 5...自旋锁解锁 int pthread_spin_unlock(pthread_spinlock_t *); 以上函数成功都返回0. pthread_spin_init 函数的pshare...
pthread_mutex_lock(&marshal->lock);// continue regardlessmarshal->status = THREAD_PREFAIL; pthread_cond_broadcast(&marshal->cond); pthread_mutex_unlock(&marshal->lock); destroy_evhandler(ctx,ev);returnNULL; } 开发者ID:dankamongmen,项目名称:libtorque,代码行数:43,代码来源:schedule.c ...