What happens when a thread cannot acquire a Semaphore (due to lack of permit). Will it be moved to the wait state?
How do I cause a thread to respond to pthread_cancel开发者_如何学JAVA() if it is blocked on a sem_wait()?You can set a signal handler, let\'s says for SIGUSR1, for the thread that will be blocking the
I have two semaphores x (initially at 1) , and y (initially at 0). My thread function code is somewhat like this:
With reference to my previous question about GDB not pinpointing the SIGSEGV point, My thread code is as follows:
If the following pieces of code execute in the order in which I have put them, can I be sure that thread 1 is awoken first by thread 3, later followed by thread 2?
Can you help me to understand why it is recommended to use: while ((s = sem_timedwait(&sem, &ts)) == -1 && errno == EINTR)
If you\'re unfamiliar with the problem, it\'s something like this. I didn\'t come to ask for an answer, I have actually finished all of my coding. I have just found that my solution doesn\'t solve i
I am writing a program (for homework) that simulates a unisex bathroom.Only 4 people are allowed at a time and men and woman cannot enter if the other sex is already using the bathroom.My problem is w
开发者_如何学运维I am wondering what would be a good situation to utilize semaphore in PHP or in general, trying to expand my horizons.Semaphores are very close to the core of every Operating System.
I need to do some process synchronization in C. I want to use a monitor, and I have read a lot about them. However I have been unable to find out how to implement one in C. I have seen them done in Ja