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/* Time-triggered process termination.
Copyright (C) 2016-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <support/xthread.h>
#include <support/xsignal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <support/check.h>
#include <time.h>
static void *
delayed_exit_thread (void *seconds_as_ptr)
{
int seconds = (uintptr_t) seconds_as_ptr;
struct timespec delay = { seconds, 0 };
struct timespec remaining = { 0 };
if (nanosleep (&delay, &remaining) != 0)
FAIL_EXIT1 ("nanosleep: %m");
/* Exit the process sucessfully. */
exit (0);
return NULL;
}
void
delayed_exit (int seconds)
{
/* Create the new thread with all signals blocked. */
sigset_t all_blocked;
sigfillset (&all_blocked);
sigset_t old_set;
xpthread_sigmask (SIG_SETMASK, &all_blocked, &old_set);
/* Create a detached thread. */
pthread_t thr = xpthread_create
(NULL, delayed_exit_thread, (void *) (uintptr_t) seconds);
xpthread_detach (thr);
/* Restore the original signal mask. */
xpthread_sigmask (SIG_SETMASK, &old_set, NULL);
}
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