本文整理汇总了C++中WorkItem::proc方法的典型用法代码示例。如果您正苦于以下问题：C++ WorkItem::proc方法的具体用法？C++ WorkItem::proc怎么用？C++ WorkItem::proc使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WorkItem的用法示例。
在下文中一共展示了WorkItem::proc方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: WKQ_Thread
/**
* The worker thread
*/
STATIC void WKQ_Thread(void * par)
{
WorkQueue * q = (WorkQueue *)par;
TRACE("WKQ: starting\n");
/* start the loop */
MUTEX_Lock(&q->mutex);
q->lastActivity = TIME_Now();
while ((q->flags & WKQ_ACTIVE) || !QUEUE_IsEmpty(&q->submit)) {
QEntry * e;
while ((e = QUEUE_RemoveHead(&q->submit)) != NULL) {
WorkItem * w = QCAST(e,WorkItem,submitQ);
ASSERT(!(w->flags & (WKI_DONE|WKI_CANCELED)));
/*
* NULL callback may be used by dummy work items whose purpose
* is to wait until all pending work items have been processed
*/
if (w->proc) {
/* update flags */
w->flags |= WKI_CALL;
/* invoke the handler */
MUTEX_Unlock(&q->mutex);
w->proc(w, w->param);
MUTEX_Lock(&q->mutex);
q->lastActivity = TIME_Now();
if (w->flags & WKI_DETACHED) {
/* put the work item to the pool or deallocate it */
ASSERT(!w->waiters);
QUEUE_RemoveEntry(&w->itemsQ);
WKQ_ReleaseWorkItem(&WKQ, w);
} else {
/*
* update flags. Note that we released the mutex when
* were invoking the callback. Therefore, this work
* item could be re-submitted to the queue. Or it could
* be re-submitted and then canceled. In such cases we
* don't need to set the WKI_DONE flag.
*/
w->flags &= ~WKI_CALL;
if (!(w->flags & WKI_CANCELED) && !w->submitQ.queue) {
w->flags |= WKI_DONE;
}
/* signal the events associated with the work item */
WKI_Signal(w);
}
} else {
/* it's a dummy work item. Just release the waiters */
WKI_Signal(w);
}
}
/* wait for a signal */
if (q->flags & WKQ_ACTIVE) {
EVENT_Reset(&q->event);
if (q->idleProc) {
/* we have an idle timeout */
IdleProc idle = q->idleProc;
void * param = q->idleParam;
Time now = TIME_Now();
Time deadline = q->lastActivity + q->idleTimeout;
if (deadline > now) {
MUTEX_Unlock(&q->mutex);
switch (EVENT_TimeWait(&q->event,(long)(deadline-now))) {
case WAIT_STATE_OK:
/* don't invoke idle callback */
MUTEX_Lock(&q->mutex);
break;
case WAIT_STATE_TIMEOUT:
/* invoke idle callback */
MUTEX_Lock(&q->mutex);
now = TIME_Now();
deadline = q->lastActivity + q->idleTimeout;
if (deadline <= now) {
MUTEX_Unlock(&q->mutex);
q->lastActivity = now;
idle(q, param);
MUTEX_Lock(&q->mutex);
}
break;
default:
case WAIT_STATE_ERROR:
/* terminate the thread on error */
MUTEX_Lock(&q->mutex);
q->flags &= ~WKQ_ACTIVE;
//.........这里部分代码省略.........