Setwaitabletimer apc
Web13 Aug 2004 · At this point the timer is set and will fire after 10 seconds and queue an APC to your thread. However, to receive this notification (the APC) you must put your thread in an alertable wait state. This can be done either with WaitForSingleObjectEx, WaitForMultiplObjectsEx or SleepEx by setting their Alertable parameter to True. Web这里把APC函数称作完全例程。完全例程的地址作为SetWaitableTimer()的第四个参数。第五个参数是一个空类型的指针，你可以使用它来传递完全例程的参数。 在所有的APC中，要执行一个完全例程则线程必须处于监听状态。
Setwaitabletimer apc
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Web16 Jun 2012 · To give more information directly from the implementation of waitable timers: if you use a CompletionRoutine, the timer is placed on a linked list chained off the thread which called SetWaitableTimer. When the thread is terminated, the kernel walks the dying thread's linked list and cancels are timers which are still queued. Web7 Jan 2024 · The ReadFileEx, SetWaitableTimer, SetWaitableTimerEx, and WriteFileEx …
Web4 Oct 2012 · BOOL SetWaitableTimer(HANDLE hTimer, const LARGE_INTEGER *pDueTime, LONG lPeriod, PTIMERAPCROUTINE pfnCompletionRoutine, LPVOID lpArgToCompletionRoutine, BOOL fResume); ... The callback function is queued as an APC. Be sure to address reentrancy issues if the function performs an alertable wait operation. Web22 Sep 2024 · To activate a timer, call SetWaitableTimer. If the timer is already active …
WebThe SetWaitableTimerEx function is similar to the SetWaitableTimer function, except SetWaitableTimerEx can be used to specify a context string and a tolerable delay for expiration of the timer. ... If the timer is set before the thread enters an alertable wait state, the APC is canceled. Web16 Dec 2024 · When you are using a waitable timer with an APC, the thread that sets the …
WebThe c++ (cpp) createwaitabletimer example is extracted from the most popular open source projects, you can refer to the following example for usage.
Web4 Oct 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams great lakes brewery restaurantWeb3 Jun 2024 · Many more “async callbacks” like SetWaitableTimer. So, to understand how user APCs work, let’s see what happens when you call NtQueueApcThread. ... STATUS_USER_APC: The wait was interrupted … great lakes brewery companyWebTo implement these functions, you can use the timer API functions createwaitabletimer … floating squidhttp://www.delphigroups.info/2/da/476723.html floating square shelves for stereoWebHere we call the APC function a complete routine. The address of the complete routine is the fourth parameter of setwaitabletimer. The fifth parameter is a null pointer. You can use it to pass complete routine parameters. In all APC instances, to execute a full routine, the thread must be in the listening state. floating ssd mountWeb31 May 2024 · A timer whose state remains signaled until SetWaitableTimer is called to establish a new due time. synchronization timer: ... (APC) queue of the thread until the thread enters an alertable wait state. At that time, the APC is dispatched and the completion routine is called. If the timer is periodic, it is placed back in the kernel timer queue. great lakes brewery cleveland hopkins airportWebOne other thing about the wakeup example is that the main thread calls Thread.Sleep after the timer has fired. Recall that, unlike other timers, the waitable timer calls the completion method on the same thread that called SetWaitableTimer. In order for the APC mechanism to make that call, the thread must be in an alertable wait state. great lakes brew fest