Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/sysdeps/pthread/tst-timer.c
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
159 lines (128 sloc)
3.89 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* Tests for POSIX timer implementation. | |
Copyright (C) 2000-2014 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Kaz Kylheku <kaz@ashi.footprints.net>. | |
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; see the file COPYING.LIB. If | |
not, see <http://www.gnu.org/licenses/>. */ | |
#include <errno.h> | |
#include <signal.h> | |
#include <stdio.h> | |
#include <time.h> | |
#include <unistd.h> | |
#include <stdlib.h> | |
static void | |
notify_func1 (union sigval sigval) | |
{ | |
puts ("notify_func1"); | |
} | |
static void | |
notify_func2 (union sigval sigval) | |
{ | |
puts ("notify_func2"); | |
} | |
static void | |
signal_func (int sig) | |
{ | |
static const char text[] = "signal_func\n"; | |
signal (sig, signal_func); | |
write (STDOUT_FILENO, text, sizeof text - 1); | |
} | |
static void | |
intr_sleep (int sec) | |
{ | |
struct timespec ts; | |
ts.tv_sec = sec; | |
ts.tv_nsec = 0; | |
while (nanosleep (&ts, &ts) == -1 && errno == EINTR) | |
; | |
} | |
#define ZSIGALRM 14 | |
int | |
main (void) | |
{ | |
struct timespec ts; | |
timer_t timer_sig, timer_thr1, timer_thr2; | |
int retval; | |
struct sigevent sigev1 = | |
{ | |
.sigev_notify = SIGEV_SIGNAL, | |
.sigev_signo = ZSIGALRM | |
}; | |
struct sigevent sigev2; | |
struct itimerspec itimer1 = { { 0, 200000000 }, { 0, 200000000 } }; | |
struct itimerspec itimer2 = { { 0, 100000000 }, { 0, 500000000 } }; | |
struct itimerspec itimer3 = { { 0, 150000000 }, { 0, 300000000 } }; | |
struct itimerspec old; | |
retval = clock_gettime (CLOCK_REALTIME, &ts); | |
sigev2.sigev_notify = SIGEV_THREAD; | |
sigev2.sigev_notify_function = notify_func1; | |
sigev2.sigev_notify_attributes = NULL; | |
/* It is unnecessary to do the following but to set a good example | |
we do it anyhow. */ | |
sigev2.sigev_value.sival_ptr = NULL; | |
setvbuf (stdout, 0, _IOLBF, 0); | |
printf ("clock_gettime returned %d, timespec = { %ld, %ld }\n", | |
retval, ts.tv_sec, ts.tv_nsec); | |
retval = clock_getres (CLOCK_REALTIME, &ts); | |
printf ("clock_getres returned %d, timespec = { %ld, %ld }\n", | |
retval, ts.tv_sec, ts.tv_nsec); | |
if (timer_create (CLOCK_REALTIME, &sigev1, &timer_sig) != 0) | |
{ | |
printf ("timer_create for timer_sig failed: %m\n"); | |
exit (1); | |
} | |
if (timer_create (CLOCK_REALTIME, &sigev2, &timer_thr1) != 0) | |
{ | |
printf ("timer_create for timer_thr1 failed: %m\n"); | |
exit (1); | |
} | |
sigev2.sigev_notify_function = notify_func2; | |
if (timer_create (CLOCK_REALTIME, &sigev2, &timer_thr2) != 0) | |
{ | |
printf ("timer_create for timer_thr2 failed: %m\n"); | |
exit (1); | |
} | |
if (timer_settime (timer_thr1, 0, &itimer2, &old) != 0) | |
{ | |
printf ("timer_settime for timer_thr1 failed: %m\n"); | |
exit (1); | |
} | |
if (timer_settime (timer_thr2, 0, &itimer3, &old) != 0) | |
{ | |
printf ("timer_settime for timer_thr2 failed: %m\n"); | |
exit (1); | |
} | |
signal (ZSIGALRM, signal_func); | |
if (timer_settime (timer_sig, 0, &itimer1, &old) != 0) | |
{ | |
printf ("timer_settime for timer_sig failed: %m\n"); | |
exit (1); | |
} | |
intr_sleep (3); | |
if (timer_delete (timer_sig) != 0) | |
{ | |
printf ("timer_delete for timer_sig failed: %m\n"); | |
exit (1); | |
} | |
if (timer_delete (timer_thr1) != 0) | |
{ | |
printf ("timer_delete for timer_thr1 failed: %m\n"); | |
exit (1); | |
} | |
intr_sleep (3); | |
if (timer_delete (timer_thr2) != 0) | |
{ | |
printf ("timer_delete for timer_thr2 failed: %m\n"); | |
exit (1); | |
} | |
return 0; | |
} |