strace/tests/timer_create.c
Dmitry V. Levin 81f1b1689a tests/timer_create.c: robustify against os specific issues
* tests/timer_create.c (main): Do not assume any specific error code
returned by timer_create, print whatever it is.
2016-05-18 09:26:01 +00:00

123 lines
4.5 KiB
C

/*
* This file is part of timer_create strace test.
*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <sys/syscall.h>
#ifdef __NR_timer_create
# include <stdio.h>
# include <signal.h>
# include <time.h>
# include <unistd.h>
# include "sigevent.h"
int
main(void)
{
syscall(__NR_timer_create, CLOCK_REALTIME, NULL, NULL);
printf("timer_create(CLOCK_REALTIME, NULL, NULL) = -1 %s (%m)\n",
errno2name());
int tid[4] = {};
struct_sigevent sev = {
.sigev_notify = 0xdefaced,
.sigev_signo = 0xfacefeed,
.sigev_value.sival_ptr = (unsigned long) 0xdeadbeefbadc0ded
};
syscall(__NR_timer_create, CLOCK_REALTIME, &sev, NULL);
printf("timer_create(CLOCK_REALTIME, {sigev_value={int=%d, ptr=%#lx}"
", sigev_signo=%u, sigev_notify=%#x /* SIGEV_??? */}"
", NULL) = -1 %s (%m)\n",
sev.sigev_value.sival_int,
sev.sigev_value.sival_ptr,
sev.sigev_signo, sev.sigev_notify,
errno2name());
sev.sigev_notify = SIGEV_NONE;
if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[0]))
perror_msg_and_skip("timer_create CLOCK_REALTIME");
printf("timer_create(CLOCK_REALTIME, {sigev_value={int=%d, ptr=%#lx}"
", sigev_signo=%u, sigev_notify=SIGEV_NONE}, [%d]) = 0\n",
sev.sigev_value.sival_int,
sev.sigev_value.sival_ptr,
sev.sigev_signo, tid[0]);
sev.sigev_notify = SIGEV_SIGNAL;
sev.sigev_signo = SIGALRM;
if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[1]))
perror_msg_and_skip("timer_create CLOCK_MONOTONIC");
printf("timer_create(CLOCK_MONOTONIC, {sigev_value={int=%d, ptr=%#lx}"
", sigev_signo=SIGALRM, sigev_notify=SIGEV_SIGNAL}"
", [%d]) = 0\n",
sev.sigev_value.sival_int,
sev.sigev_value.sival_ptr, tid[1]);
sev.sigev_notify = SIGEV_THREAD;
sev.sigev_un.sigev_thread.function = (unsigned long) 0xdeadbeefbadc0ded;
sev.sigev_un.sigev_thread.attribute = (unsigned long) 0xcafef00dfacefeed;
if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[2]))
perror_msg_and_skip("timer_create CLOCK_REALTIME");
printf("timer_create(CLOCK_REALTIME, {sigev_value={int=%d, ptr=%#lx}"
", sigev_signo=SIGALRM, sigev_notify=SIGEV_THREAD"
", sigev_notify_function=%#lx, sigev_notify_attributes=%#lx}"
", [%d]) = 0\n",
sev.sigev_value.sival_int,
sev.sigev_value.sival_ptr,
sev.sigev_un.sigev_thread.function,
sev.sigev_un.sigev_thread.attribute,
tid[2]);
#ifndef SIGEV_THREAD_ID
# define SIGEV_THREAD_ID 4
#endif
sev.sigev_notify = SIGEV_THREAD_ID;
sev.sigev_un.tid = getpid();
if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[3]))
perror_msg_and_skip("timer_create CLOCK_MONOTONIC");
printf("timer_create(CLOCK_MONOTONIC, {sigev_value={int=%d, ptr=%#lx}"
", sigev_signo=SIGALRM, sigev_notify=SIGEV_THREAD_ID"
", sigev_notify_thread_id=%d}"
", [%d]) = 0\n",
sev.sigev_value.sival_int,
sev.sigev_value.sival_ptr,
sev.sigev_un.tid,
tid[3]);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_timer_create")
#endif