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/* $NetBSD: t_sigtimedwait.c,v 1.2 2013/03/08 23:18:00 martin Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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 <sys/cdefs.h>
__RCSID("$NetBSD: t_sigtimedwait.c,v 1.2 2013/03/08 23:18:00 martin Exp $");
#include <sys/time.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <atf-c.h>
ATF_TC(sigtimedwait_all0timeout);
ATF_TC_HEAD(sigtimedwait_all0timeout, tc)
{
atf_tc_set_md_var(tc, "timeout", "10");
atf_tc_set_md_var(tc, "descr", "Test for PR kern/47625: sigtimedwait"
" with a timeout value of all zero should return imediately");
}
ATF_TC_BODY(sigtimedwait_all0timeout, tc)
{
sigset_t block;
struct timespec ts, before, after, len;
siginfo_t info;
int r;
sigemptyset(&block);
ts.tv_sec = 0;
ts.tv_nsec = 0;
clock_gettime(CLOCK_MONOTONIC, &before);
r = sigtimedwait(&block, &info, &ts);
clock_gettime(CLOCK_MONOTONIC, &after);
ATF_REQUIRE(r == -1);
ATF_REQUIRE_ERRNO(EAGAIN, errno);
timespecsub(&after, &before, &len);
ATF_REQUIRE(len.tv_sec < 1);
}
ATF_TC(sigtimedwait_NULL_timeout);
ATF_TC_HEAD(sigtimedwait_NULL_timeout, tc)
{
atf_tc_set_md_var(tc, "timeout", "10");
atf_tc_set_md_var(tc, "descr", "Test sigtimedwait() without timeout");
}
ATF_TC_BODY(sigtimedwait_NULL_timeout, tc)
{
sigset_t sig;
siginfo_t info;
struct itimerval it;
int r;
/* arrange for a SIGALRM signal in a few seconds */
memset(&it, 0, sizeof it);
it.it_value.tv_sec = 5;
ATF_REQUIRE(setitimer(ITIMER_REAL, &it, NULL) == 0);
/* wait without timeout */
sigemptyset(&sig);
sigaddset(&sig, SIGALRM);
r = sigtimedwait(&sig, &info, NULL);
ATF_REQUIRE(r == SIGALRM);
}
ATF_TC(sigtimedwait_small_timeout);
ATF_TC_HEAD(sigtimedwait_small_timeout, tc)
{
atf_tc_set_md_var(tc, "timeout", "15");
atf_tc_set_md_var(tc, "descr", "Test sigtimedwait with a small "
"timeout");
}
ATF_TC_BODY(sigtimedwait_small_timeout, tc)
{
sigset_t block;
struct timespec ts;
siginfo_t info;
int r;
sigemptyset(&block);
ts.tv_sec = 5;
ts.tv_nsec = 0;
r = sigtimedwait(&block, &info, &ts);
ATF_REQUIRE(r == -1);
ATF_REQUIRE_ERRNO(EAGAIN, errno);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, sigtimedwait_all0timeout);
ATF_TP_ADD_TC(tp, sigtimedwait_NULL_timeout);
ATF_TP_ADD_TC(tp, sigtimedwait_small_timeout);
return atf_no_error();
}
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