在类Unix操作系统（Unix、Linux、Mac OS X等）中，都使用Pthreads作为操作系统的线程。Windows操作系统也有其移植版pthreads-win32。phread介绍了线程的创建、共享等功能-In Unix-like operating systems (Unix, Linux, Mac OS X, etc.), use Pthreads as the operating system threads. Windows operating system has its portable version pthreads-win32. phread introduced thread creation, sharing, and other functions