24 lines
359 B
C
24 lines
359 B
C
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
int main(void)
|
|
{
|
|
pid_t pid;
|
|
pid = fork();
|
|
if (pid < 0)
|
|
{
|
|
printf("fork is error\n");
|
|
return -1;
|
|
}
|
|
// 父进程
|
|
if (pid > 0) {
|
|
printf("This is parent, parent pid is %d\n",getppid());
|
|
}
|
|
// 子进程
|
|
if (pid == 0){
|
|
printf("This is child, child pid is %d\n",getpid());
|
|
}
|
|
return 0;
|
|
}
|