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linux下wait、waitpid和waitid的用法_waitid waitpid-CSDN博客

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1.函数原型#include <sys/types.h>#include <sys/wait.h>pid_t wait(int *wstatus);pid_t waitpid(pid_t pid, int *wstatus, int options);int waitid(idtype_t idtype, id_t id, siginfo_t *infop, int options);2.wait函数wait函数会一直处于阻塞状态,直到有一个子进程退出,并返回退出子进_waitid waitpid
标签:waitid waitpid