Web9).在“调用堆栈”窗口中双击 PsWaitForSemaphore 函数的堆栈帧,查看 Empty 信号量计 数(Semaphore->Count)的值为-1,所以会调用 PspWait 函数将生产者线程放入 Empty 信号 量的等待队列中进行等待(让出 CPU)。 10).激活虚拟机窗口查看输出的结果。 WebJun 7, 2024 · WaitForSingleObject函数最终会调用内核中的 PsWaitForSemaphore 函数完成等待 操作。 所以,在 semaphore.c 文件中 PsWaitForSemaphore 函数的第一行(第 68 F5继续调试,到断点处中断。 F10单步调试,直到完成 PsWaitForSemaphore 函数中的所有操作。 可以看到此 次执行并没有进行等待,只是将 Empty 信号量的计数减少了 10变为了 返 …
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WebJan 9, 2024 · 2015-04-15 在js文件中无法引用jquery的函数 2024-06-23 怎么在python的交互模式中调用.py文件中的函数 2012-02-05 c++中main()函数中不能定义别的函数吗? 2024-08-26 Java中从文件中读取数据用什么函数 2016-04-11 oracle在函数中能定义函数吗 2024-07-10 如何在某.py文件中调用其他.py内的函数 When a task attempts to acquire a semaphore that is unavailable, the semaphore places the task onto a wait queue and puts the task to sleep .The processor is then free to execute other code.When the semaphore becomes available, one of the tasks on the wait queue is awakened so that it can then acquire the semaphore. trinity tls-7204
在semaphore.c文件内的pswaitforsemaphore …
WebFeb 21, 2013 · In your code semaphore is initialized with zero (Semaphore x = 0), if you try to wait on it, that process gets blocked as you can see from the definition of wait.That … WebApr 10, 2024 · Semaphores are a synchronization mechanism used to coordinate the activities of multiple processes in a computer system. They are used to enforce mutual exclusion, avoid race conditions and … WebListen to Wait for Me on Spotify. P S Quint · Song · 2024. Preview of Spotify. Sign up to get unlimited songs and podcasts with occasional ads. trinity tmail