Function nc::alarm [−][src]
pub fn alarm(seconds: u32) -> u32
Expand description
set an alarm clock for delivery of a signal.
use core::mem::size_of; fn handle_alarm(signum: i32) { assert_eq!(signum, nc::SIGALRM); } let sa = nc::sigaction_t { sa_handler: handle_alarm as nc::sighandler_t, ..nc::sigaction_t::default() }; let mut old_sa = nc::sigaction_t::default(); let ret = nc::rt_sigaction(nc::SIGALRM, &sa, &mut old_sa, size_of::<nc::sigset_t>()); assert!(ret.is_ok()); let remaining = nc::alarm(1); let ret = nc::pause(); assert!(ret.is_err()); assert_eq!(ret, Err(nc::EINTR)); assert_eq!(remaining, 0);