*/init_waitqueue_entry(&wait, current);//用当前进程初始化一个等待队列的entryadd_wait_queue(&ep->wq, &wait);//把刚刚初始化的这个等待队列节点加到epoll内部的等待队列中去,也就是说在epoll_wait被唤醒时唤醒本进程for(;;) {//开始睡眠/* * We don't want to sleep if the ep_poll_callback(...
PG_THREAD_WAIT_STATUS allows you to test the block waiting status about the backend thread and auxiliary thread of the current instance.The waiting statuses in the wait_s
add_wait_queue(&ep->wq,&wait); //把刚刚初始化的这个等待队列节点加到epoll内部的等待队列中去,也就是说在epoll_wait被唤醒时唤醒本进程 for(;;) {//开始睡眠 /* * We don't want to sleep if the ep_poll_callback() sends us * a wakeup in between. That's why we set the task state ...
错误检查 0x93:INVALID_KERNEL_HANDLE 错误检查 0x94:KERNEL_STACK_LOCKED_AT_EXIT 错误检查 0x96:INVALID_WORK_QUEUE_ITEM 错误检查 0x97:BOUND_IMAGE_UNSUPPORTED 错误检查 0x98:END_OF_NT_EVALUATION_PERIOD 错误检查 0x99:INVALID_REGION_OR_SEGMENT ...
* Works together "struct eventpoll"->ovflist in keeping the * single linked chain of items. */ struct epitem *next; /* The file descriptor information this item refers to */ struct epoll_filefd ffd; /* Number of active wait queue attached to poll operations */ ...
The request structure needs to be inserted to a request queue in serial mode. TwoPhaseStateLock Used to prevent concurrent access to or modification on two-phase information sharing arrays. TablespaceCreateLock Used to check whether a tablespace exists. BtreeVacuumLock Used to prevent VACUUM ...
wait data sync queue Waiting for putting the data pages that are in the row-store into the synchronization queue. flush data: [nodename](plevel), [phase] Waiting for sending data to the plevel thread of the node specified by nodename. If phase is included, the possible phase is wait ...
void IoReleaseRemoveLockAndWait( [in] RemoveLock, [in] Tag ); Paramètres[in] RemoveLockPointeur vers une structure de IO_REMOVE_LOCK que l’appelant a passé lors d’un appel précédent à IoAcquireRemoveLock.[in] TagPointeur vers une balise fournie par l’appelant qui a été pass...
In one embodiment, a task control block (TCB) for allocating cache storage such as cache segments in a multi-track cache write operation may be enqueued in a wait queue for a relati
The Receive( ) function copies the data from the receive queue into the buffer pointed to by pBuffer. The buffer's length is given by Length. The number of bytes actually copied is returned in *Count. An exemplary call to Receive( ) function is shown below: return_error_t Receive(INT32...