/*********************************************************************************
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* Copyright: (C) 2025 LingYun IoT System Studio
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* All rights reserved.
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*
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* Filename: waitpid.c
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* Description: This file waitpid() example program.
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*
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* Version: 1.0.0(10/28/2025)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "10/28/2025 10:02:15 AM"
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*
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********************************************************************************/
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#include <stdio.h>
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#include <sys/wait.h>
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#include <unistd.h>
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int main(void)
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{
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pid_t pid, ret;
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int status;
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pid = fork();
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if (pid == 0)
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{
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printf("Child process running\n");
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_exit(3);
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}
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else
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{
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ret = waitpid(pid, &status, 0);
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if (ret > 0)
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{
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if (WIFEXITED(status))
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printf("Child exited normally, status = %d\n", WEXITSTATUS(status));
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}
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}
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return 0;
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}
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