File: [cvs.NetBSD.org] / src / tests / lib / librt / t_sched.c (download)
Revision 1.5, Sun Mar 25 04:11:42 2012 UTC (12 years ago) by christos
Branch: MAIN
CVS Tags: yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-8-base, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, matt-nb8-mediatek-base, matt-nb8-mediatek, localcount-20160914, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, agc-symver-base, agc-symver Branch point for: netbsd-8
Changes since 1.4: +5 -5
lines
use check_eq instead of require.
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/* $NetBSD: t_sched.c,v 1.5 2012/03/25 04:11:42 christos Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jukka Ruohonen.
*
* 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_sched.c,v 1.5 2012/03/25 04:11:42 christos Exp $");
#include <sched.h>
#include <limits.h>
#include <unistd.h>
#include <atf-c.h>
static void sched_priority_set(int, int);
ATF_TC(sched_getparam);
ATF_TC_HEAD(sched_getparam, tc)
{
atf_tc_set_md_var(tc, "descr", "A basic test of sched_getparam(3)");
}
ATF_TC_BODY(sched_getparam, tc)
{
struct sched_param s1, s2;
pid_t p = getpid();
/*
* IEEE Std 1003.1-2008: if the supplied pid is zero,
* the parameters for the calling process are returned.
*/
ATF_REQUIRE(sched_getparam(0, &s1) == 0);
ATF_REQUIRE(sched_getparam(p, &s2) == 0);
ATF_CHECK_EQ(s1.sched_priority, s2.sched_priority);
/*
* The behavior is undefined but should error
* out in case the supplied PID is negative.
*/
ATF_REQUIRE(sched_getparam(-1, &s1) != 0);
}
ATF_TC(sched_priority);
ATF_TC_HEAD(sched_priority, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sched(3) priority ranges");
}
ATF_TC_BODY(sched_priority, tc)
{
static const int pol[3] = { SCHED_OTHER, SCHED_FIFO, SCHED_RR };
int pmax, pmin;
size_t i;
/*
* Test that bogus values error out.
*/
if (INT_MAX > SCHED_RR)
ATF_REQUIRE(sched_get_priority_max(INT_MAX) != 0);
if (-INT_MAX < SCHED_OTHER)
ATF_REQUIRE(sched_get_priority_max(-INT_MAX) != 0);
/*
* Test that we have a valid range.
*/
for (i = 0; i < __arraycount(pol); i++) {
pmax = sched_get_priority_max(pol[i]);
pmin = sched_get_priority_min(pol[i]);
ATF_REQUIRE(pmax != -1);
ATF_REQUIRE(pmin != -1);
ATF_REQUIRE(pmax > pmin);
}
}
static void
sched_priority_set(int pri, int pol)
{
struct sched_param sched;
sched.sched_priority = pri;
ATF_REQUIRE(pri >= 0);
ATF_REQUIRE(sched_setscheduler(0, pol, &sched) == 0);
/*
* Test that the policy was changed.
*/
ATF_CHECK_EQ(sched_getscheduler(0), pol);
/*
* And that sched_getparam(3) returns the new priority.
*/
sched.sched_priority = -1;
ATF_REQUIRE(sched_getparam(0, &sched) == 0);
ATF_CHECK_EQ(sched.sched_priority, pri);
}
ATF_TC(sched_setscheduler_1);
ATF_TC_HEAD(sched_setscheduler_1, tc)
{
atf_tc_set_md_var(tc, "descr", "sched_setscheduler(3), max, RR");
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(sched_setscheduler_1, tc)
{
int pri;
pri = sched_get_priority_max(SCHED_RR);
sched_priority_set(pri, SCHED_RR);
}
ATF_TC(sched_setscheduler_2);
ATF_TC_HEAD(sched_setscheduler_2, tc)
{
atf_tc_set_md_var(tc, "descr", "sched_setscheduler(3), min, RR");
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(sched_setscheduler_2, tc)
{
int pri;
pri = sched_get_priority_min(SCHED_RR);
sched_priority_set(pri, SCHED_RR);
}
ATF_TC(sched_setscheduler_3);
ATF_TC_HEAD(sched_setscheduler_3, tc)
{
atf_tc_set_md_var(tc, "descr", "sched_setscheduler(3), max, FIFO");
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(sched_setscheduler_3, tc)
{
int pri;
pri = sched_get_priority_max(SCHED_FIFO);
sched_priority_set(pri, SCHED_FIFO);
}
ATF_TC(sched_setscheduler_4);
ATF_TC_HEAD(sched_setscheduler_4, tc)
{
atf_tc_set_md_var(tc, "descr", "sched_setscheduler(3), min, FIFO");
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(sched_setscheduler_4, tc)
{
int pri;
pri = sched_get_priority_min(SCHED_FIFO);
sched_priority_set(pri, SCHED_FIFO);
}
ATF_TC(sched_rr_get_interval_1);
ATF_TC_HEAD(sched_rr_get_interval_1, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sched_rr_get_interval(3), #1"
" (PR lib/44768)");
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(sched_rr_get_interval_1, tc)
{
struct timespec tv;
int pri;
pri = sched_get_priority_min(SCHED_RR);
sched_priority_set(pri, SCHED_RR);
/*
* This should fail with ESRCH for invalid PID.
*/
ATF_REQUIRE(sched_rr_get_interval(-INT_MAX, &tv) != 0);
}
ATF_TC(sched_rr_get_interval_2);
ATF_TC_HEAD(sched_rr_get_interval_2, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sched_rr_get_interval(3), #2");
atf_tc_set_md_var(tc, "require.user", "root");
}
ATF_TC_BODY(sched_rr_get_interval_2, tc)
{
struct timespec tv1, tv2;
int pri;
pri = sched_get_priority_min(SCHED_RR);
sched_priority_set(pri, SCHED_RR);
tv1.tv_sec = tv2.tv_sec = -1;
tv1.tv_nsec = tv2.tv_nsec = -1;
ATF_REQUIRE(sched_rr_get_interval(0, &tv1) == 0);
ATF_REQUIRE(sched_rr_get_interval(getpid(), &tv2) == 0);
ATF_REQUIRE(tv1.tv_sec != -1);
ATF_REQUIRE(tv2.tv_sec != -1);
ATF_REQUIRE(tv1.tv_nsec != -1);
ATF_REQUIRE(tv2.tv_nsec != -1);
ATF_REQUIRE(tv1.tv_sec == tv2.tv_sec);
ATF_REQUIRE(tv1.tv_nsec == tv2.tv_nsec);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, sched_getparam);
ATF_TP_ADD_TC(tp, sched_priority);
ATF_TP_ADD_TC(tp, sched_setscheduler_1);
ATF_TP_ADD_TC(tp, sched_setscheduler_2);
ATF_TP_ADD_TC(tp, sched_setscheduler_3);
ATF_TP_ADD_TC(tp, sched_setscheduler_4);
ATF_TP_ADD_TC(tp, sched_rr_get_interval_1);
ATF_TP_ADD_TC(tp, sched_rr_get_interval_2);
return atf_no_error();
}