pid_t pid;
if (!(pid = fork())) {
- err = execve("/usr/bin/signal_demo", NULL, NULL);
+ err = execve("/usr/bin/sh", NULL, NULL);
printf("fail to execute (%d)\n", errno);
_exit(err);
}
waitpid(pid, &err, 0);
- if (err) {
+ if (WEXITSTATUS(err)) {
printf("shell exit abnormally (%d)", err);
}