#include <stdio.h>
|
|
#include <unistd.h>
|
|
void main(void){
|
|
int child_status, exec_status;
|
|
int pid = fork(); //create a child
|
|
if (pid==0) { // child continues here
|
|
printf("Child: EXEC lec7_1\n");
|
|
exec_status=execve("lec7_1",NULL,NULL);
|
|
printf("Child: Why would I execute?\n");
|
|
} else { // parent continues here
|
|
printf("Parent: Whose your daddy?\n");
|
|
child_status=wait(pid);
|
|
printf("Parent: the child %d exit with %d\n",pid, child_status);
|
|
}
|
|
}
|