pipe创建函数: #include <unistd.h> /* Create a one-way communication channel (pipe). If successful, two file descriptors are stored in PIPEDES; bytes written on PIPEDES[1] can be read from PIPEDES[0]. Returns 0 if successful, -1 if not. */ ]); 下面是一个测试实例,…
What is IPC IPC [Inter-Process Communication] 进程间通信,指至少两个进程或线程间传送数据或信号的一些技术或方法.在Linux/Unix中,提供了许多IPC.Unix七大IPC: Pipe:无名管道,最基本的IPC,单向通信,仅在父/子进程之间,也就是将一个程序的输出直接交给另一个程序的输入.常见使用为 ps -ef|grep xxx FIFO [(First in, First out)] 或 有名管道(named pipe):与Pipe不同,FIF…
python高级之多进程 本节内容 多进程概念 Process类 进程间通讯 进程同步 进程池 1.多进程概念 multiprocessing is a package that supports spawning processes using an API similar to the threading module. The multiprocessing package offers both local and remote concurrency,effectively side-…