1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <sys/types.h>
4 #include <unistd.h>
5 #include <pwd.h>
6 #include <sys/wait.h>
7
8 int main(void)
9 {
10 pid_t pid = fork();
11 int status;
12 if(pid== -1)
13 {
14 printf("fork failed\n");
15 return 0;
16 }
17 if(pid==0)
18 {
19 exit(0);
20 }
21 else
22 {
23 printf("parent process start\n");
24 wait(&status);
25 sleep(100);
26 // printf("status =%d\n",WEXITSTATUS(status));
27 printf("parent process end\n");
28 return 0;
29 }
30
31 return 0;
32 }
