python的GIL In CPython, the global interpreter lock, or GIL, is a mutex that prevents multiple native threads from executing Python bytecodes at once. This lock is necessary mainly because CPython’s memory management is not thread-safe. (However, sinc
linux有一个命令行工具叫做pidof,可以根据用户输入的进程名字查找到进程号,但有时候我们需要在程序里实现,不想调用system,在查阅了很多版本的pidof源代码后,没有发现一个自己感觉比较好的,所以就参照linux上的pidof的源代码,改写出了一版,供大家参考使用. /*************************************************************************** * File name : findpidbyname.c * Fu
进程池 """ python自带的进程池 """ from multiprocessing import Pool from time import sleep def apply(*args, **kwargs): print(args, kwargs) sleep(3) return 'ok' if __name__ == '__main__': pool = Pool(3) result = pool.apply_async(apply,