Web简单的回答是： pthread_cond_signal()将会醒来至少一个在条件变量上被阻塞的线程的数量--但不能保证超过这个数量的线程的数量(对于引用，请使用pthread_cond_broadcast()唤醒所有被阻塞的线程)。 来自here. pthread_条件_signal()调用至少解锁一个线程，这些线程在指定的条件变量cond上被阻塞(如果有线程在cond上 ... WebApr 20, 2012 · You need to specify the library on the gcc/g++ command line after the files that depend on the library. So try: g++ -IC:/MinGW/include/ test.cpp -lpthread. I kicked myself when I stumbled on the answer (it's kind of a FAQ for libraries and gcc). For most gcc options order doesn't matter, but for libraries it's critical.
pthread_cond_signal() — Signal a condition - IBM
WebDec 7, 2024 · There are several problems with your code: ptr is not initialised, so all the ptr-> parts will crash the program; you are calling pthread_kill() immediately, very likely before the signal handler has been installed, and in a thread (which has unspecified behaviour); you call printf() from a signal handler, which is not guaranteed to work (see man 7 signal for a list … WebJul 21, 2024 · 一、Linux中 C/C++线程使用. 二、Pthread 锁与 C++读写锁. 三、linux中pthread_join ()与pthread_detach ()解析. 四、linux中pthread_cond_wait ()与pthread_cond_signal ()解析. Note: 关于内核使用线程方法可以参考之前写的另外一篇文章. 内核线程 (kthread)的简单使用. 这篇文章内主要介绍下 ... sflow vs ipfix
Linux pthread_cond_signal函数使用总结 - CSDN博客
Web3.解除在条件变量上的阻塞pthread_cond_signal. #include int pthread_cond_signal(pthread_cond_t *cv); 返回值：函数成功返回0；任何其他返回值都表 … Webpthread_mutex_unlock (&lock); pthread_cond_signal (&cond); 这样一样可以。. lock不是用来保护signal的,而是用来保证一种顺序. ①将要调用signal的线程进行conditon赋值. ②之后的某一瞬间，wait线程处于非上锁状态. ③signal线程进行signal. unlock套不套住signal其实无所谓 … Webpthread_cond_signal 使在条件变量上等待的线程中的一个线程重新开始。如果没有等待的线程，则什么也不做。如果有多个线程在等待该条件，只有一个能重启动，但不能指定哪一 … sflow openvswitch