Is there a version of the wait() system call that sets a timeout?

Question

Is there any way to use the wait() system call with a timeout, besides using a busy-waiting or busy-sleeping loop?

I\'ve got a parent process that

Answer 1

You can use waitpid together with the WNOHANG option and a sleep.

while(waitpid(pid, &status, WNOHANG) == 0) {
    sleep(1);
}

But this will be an active sleeping. However I see no other way using the wait type of functions.