alarm - set an alarm clock for delivery of a signal
SYNOPSIS
#include <unistd.h>unsigned int alarm(unsigned int seconds);
DESCRIPTION
alarm arranges for a SIGALRM
signal to be delivered to the process in
seconds
seconds.
If
seconds
is zero, no new
alarm
is scheduled.
In any event any previously set
alarm
is cancelled.
RETURN VALUE
alarm
returns the number of seconds remaining until any previously scheduled
alarm was due to be delivered, or zero if there was no previously
scheduled alarm.
| 