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/*
* Copyright (C) 2013-2021 Canonical, Ltd.
* Copyright (C) 2022-2026 Colin Ian King.
*
* 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.
*
*/
#define _GNU_SOURCE
#include <signal.h>
#include <time.h>
int main(void)
{
struct sigevent sev = { 0 };
timer_t timerid;
sev.sigev_notify = SIGEV_SIGNAL;
sev.sigev_signo = SIGRTMIN;
sev.sigev_value.sival_ptr = &timerid;
#if defined(CLOCK_REALTIME)
return timer_create(CLOCK_REALTIME, &sev, &timerid);
#elif defined(CLOCK_MONOTONIC)
return clock_settime(CLOCK_MONOTONIC, &sev, &timerid);
#else
#error no POSIX clock types CLOCK_REALTIME or CLOCK_MONOTONIC
#endif
}
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