/* * Copyright (C) 2013-2020 Canonical, Ltd. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * This code is a complete clean re-write of the stress tool by * Colin Ian King and attempts to be * backwardly compatible with the stress tool by Amos Waterland * but has more stress tests and more * functionality. * */ #define _GNU_SOURCE #include #include #define MAX_FDS (3) int main(void) { struct pollfd fds[MAX_FDS]; struct timespec ts; sigset_t sigmask; int fd; for (fd = 0; fd < MAX_FDS; fd++) { fds[fd].fd = fd; fds[fd].events = (fd == 0) ? POLLIN : POLLOUT; fds[fd].revents = 0; } ts.tv_sec = 1; ts.tv_nsec = 999999999; (void)sigemptyset(&sigmask); (void)sigaddset(&sigmask, SIGTERM); return ppoll(fds, 3, &ts, &sigmask); }