"Fossies" - the Fresh Open Source Software Archive

Member "stress-ng-0.09.56/test/test-timer-create.c" (15 Mar 2019, 1546 Bytes) of package /linux/privat/stress-ng-0.09.56.tar.xz:


As a special service "Fossies" has tried to format the requested source page into HTML format using (guessed) C and C++ source code syntax highlighting (style: standard) with prefixed line numbers and code folding option. Alternatively you can here view or download the uninterpreted source code file.

    1 /*
    2  * Copyright (C) 2013-2019 Canonical, Ltd.
    3  *
    4  * This program is free software; you can redistribute it and/or
    5  * modify it under the terms of the GNU General Public License
    6  * as published by the Free Software Foundation; either version 2
    7  * of the License, or (at your option) any later version.
    8  *
    9  * This program is distributed in the hope that it will be useful,
   10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   12  * GNU General Public License for more details.
   13  *
   14  * You should have received a copy of the GNU General Public License
   15  * along with this program; if not, write to the Free Software
   16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
   17  *
   18  * This code is a complete clean re-write of the stress tool by
   19  * Colin Ian King <colin.king@canonical.com> and attempts to be
   20  * backwardly compatible with the stress tool by Amos Waterland
   21  * <apw@rossby.metr.ou.edu> but has more stress tests and more
   22  * functionality.
   23  *
   24  */
   25 
   26 #define _GNU_SOURCE
   27 
   28 #include <signal.h>
   29 #include <time.h>
   30 
   31 int main(void)
   32 {
   33     struct sigevent sev;
   34     struct timespec t = { 0 };
   35     timer_t timerid;
   36 
   37     sev.sigev_notify = SIGEV_SIGNAL;
   38     sev.sigev_signo = SIGRTMIN;
   39     sev.sigev_value.sival_ptr = &timerid;
   40 
   41 #if defined(CLOCK_REALTIME)
   42     return timer_create(CLOCK_REALTIME, &sev, &timerid);
   43 #elif defined(CLOCK_MONOTONIC)
   44     return clock_settime(CLOCK_MONOTONIC, &sev, &timerid);
   45 #else
   46 #error no POSIX clock types CLOCK_REALTIME or CLOCK_MONOTONIC
   47 #endif
   48 }