semaphore
sem_open() error: "undefined reference to sem_open()" on linux (Ubuntu 10.10)
So I am getting the error: "undefined reference to sem_open()" even though I have included the <semaphore.h> header.The same thing is happening for all my pthread function calls (mutex[详细]
2023-02-09 12:01 分类:问答How does mutex or semaphore wake up processes?
I read that mutexes and semaphores maintain a list of waiting processes and wake them up when the current thread completes the critical section. How do mutex开发者_Python百科es and semaphores do that?[详细]
2023-02-09 09:55 分类:问答What is the difference between semaphore and mutex in implementation?
I read that mutex and binary semaphore are different in only one aspect, in the case of mu开发者_StackOverflow中文版tex the locking thread has to unlock, but in semaphore the locking and unlocking thr[详细]
2023-02-09 09:54 分类:问答PHP no wait sem_acquire?
Not a specific code question, but more of a general coding question.I\'m trying to use a semaphore in a work project to limit the number of users that can access certain processes at a concurrent time[详细]
2023-02-07 23:53 分类:问答java: executors + tasks + locks
Suppose I have an ExecutorService (which can be a thread pool, so there\'s concurrency involved) which executes a task at various times, either periodically or in response to some other condition. The[详细]
2023-02-07 23:05 分类:问答Object-oriented semaphore usage in C++
I know how to use Unix semaphores in C. Before using them I must call a constructor-ish function named sem_init and after using them I have to call a destructor-like function named sem_destroy.[详细]
2023-02-06 15:45 分类:问答Homework - One Server serves multiple Clients with Semaphores and Shared Memory
Hello everyone here am I with another homework issue. I have to write a Client and a Server program so that the Server (wit开发者_运维技巧h shared memory and semaphores) can communicate with the Clien[详细]
2023-02-05 23:47 分类:问答C: Threading semaphore_wait vs while loop
Is there any difference between the following pieces of code in terms of processor usage. void *ManageSequencer(void *argument){[详细]
2023-02-05 10:54 分类:问答Semaphore - What is the use of initial count?
http://msdn.microsoft.com/en-us/library/system.threading.semaphoreslim.aspx To create a semaphore, I need to provide an initial count and maximum count. MSDN states that an initial count is -[详细]
2023-02-05 03:44 分类:问答How to use the Semaphore in Java
I have a function that takes a while and want to display a waiting screen : Loading.showSplash(\"Working...\");[详细]
2023-02-03 10:24 分类:问答