157718be8SEnji Cooper /* $NetBSD: t_getrusage.c,v 1.3 2014/09/03 19:24:12 matt Exp $ */ 257718be8SEnji Cooper 357718be8SEnji Cooper /*- 457718be8SEnji Cooper * Copyright (c) 2011 The NetBSD Foundation, Inc. 557718be8SEnji Cooper * All rights reserved. 657718be8SEnji Cooper * 757718be8SEnji Cooper * This code is derived from software contributed to The NetBSD Foundation 857718be8SEnji Cooper * by Jukka Ruohonen. 957718be8SEnji Cooper * 1057718be8SEnji Cooper * Redistribution and use in source and binary forms, with or without 1157718be8SEnji Cooper * modification, are permitted provided that the following conditions 1257718be8SEnji Cooper * are met: 1357718be8SEnji Cooper * 1. Redistributions of source code must retain the above copyright 1457718be8SEnji Cooper * notice, this list of conditions and the following disclaimer. 1557718be8SEnji Cooper * 2. Redistributions in binary form must reproduce the above copyright 1657718be8SEnji Cooper * notice, this list of conditions and the following disclaimer in the 1757718be8SEnji Cooper * documentation and/or other materials provided with the distribution. 1857718be8SEnji Cooper * 1957718be8SEnji Cooper * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2057718be8SEnji Cooper * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2157718be8SEnji Cooper * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2257718be8SEnji Cooper * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 2357718be8SEnji Cooper * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2457718be8SEnji Cooper * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2557718be8SEnji Cooper * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2657718be8SEnji Cooper * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2757718be8SEnji Cooper * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2857718be8SEnji Cooper * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2957718be8SEnji Cooper * POSSIBILITY OF SUCH DAMAGE. 3057718be8SEnji Cooper */ 3157718be8SEnji Cooper #include <sys/cdefs.h> 3257718be8SEnji Cooper __RCSID("$NetBSD: t_getrusage.c,v 1.3 2014/09/03 19:24:12 matt Exp $"); 3357718be8SEnji Cooper 3457718be8SEnji Cooper #include <sys/resource.h> 3557718be8SEnji Cooper #include <sys/time.h> 3657718be8SEnji Cooper 3757718be8SEnji Cooper #include <atf-c.h> 3857718be8SEnji Cooper #include <errno.h> 3957718be8SEnji Cooper #include <limits.h> 4057718be8SEnji Cooper #include <signal.h> 4157718be8SEnji Cooper #include <stdint.h> 4257718be8SEnji Cooper #include <string.h> 4357718be8SEnji Cooper 4457718be8SEnji Cooper static void work(void); 4557718be8SEnji Cooper static void sighandler(int); 4657718be8SEnji Cooper 4757718be8SEnji Cooper static const size_t maxiter = 2000; 4857718be8SEnji Cooper 4957718be8SEnji Cooper static void 5057718be8SEnji Cooper sighandler(int signo) 5157718be8SEnji Cooper { 5257718be8SEnji Cooper /* Nothing. */ 5357718be8SEnji Cooper } 5457718be8SEnji Cooper 5557718be8SEnji Cooper static void 5657718be8SEnji Cooper work(void) 5757718be8SEnji Cooper { 5857718be8SEnji Cooper size_t n = UINT16_MAX * 10; 5957718be8SEnji Cooper 6057718be8SEnji Cooper while (n > 0) { 6157718be8SEnji Cooper #ifdef __or1k__ 6257718be8SEnji Cooper asm volatile("l.nop"); /* Do something. */ 6357718be8SEnji Cooper #else 6457718be8SEnji Cooper asm volatile("nop"); /* Do something. */ 6557718be8SEnji Cooper #endif 6657718be8SEnji Cooper n--; 6757718be8SEnji Cooper } 6857718be8SEnji Cooper } 6957718be8SEnji Cooper 7057718be8SEnji Cooper ATF_TC(getrusage_err); 7157718be8SEnji Cooper ATF_TC_HEAD(getrusage_err, tc) 7257718be8SEnji Cooper { 7357718be8SEnji Cooper atf_tc_set_md_var(tc, "descr", "Test error conditions"); 7457718be8SEnji Cooper } 7557718be8SEnji Cooper 7657718be8SEnji Cooper ATF_TC_BODY(getrusage_err, tc) 7757718be8SEnji Cooper { 7857718be8SEnji Cooper struct rusage ru; 7957718be8SEnji Cooper 8057718be8SEnji Cooper errno = 0; 8157718be8SEnji Cooper 8257718be8SEnji Cooper ATF_REQUIRE(getrusage(INT_MAX, &ru) != 0); 8357718be8SEnji Cooper ATF_REQUIRE(errno == EINVAL); 8457718be8SEnji Cooper 8557718be8SEnji Cooper errno = 0; 8657718be8SEnji Cooper 8757718be8SEnji Cooper ATF_REQUIRE(getrusage(RUSAGE_SELF, (void *)0) != 0); 8857718be8SEnji Cooper ATF_REQUIRE(errno == EFAULT); 8957718be8SEnji Cooper } 9057718be8SEnji Cooper 9157718be8SEnji Cooper ATF_TC(getrusage_sig); 9257718be8SEnji Cooper ATF_TC_HEAD(getrusage_sig, tc) 9357718be8SEnji Cooper { 9457718be8SEnji Cooper atf_tc_set_md_var(tc, "descr", "Test signal count with getrusage(2)"); 9557718be8SEnji Cooper } 9657718be8SEnji Cooper 9757718be8SEnji Cooper ATF_TC_BODY(getrusage_sig, tc) 9857718be8SEnji Cooper { 9957718be8SEnji Cooper struct rusage ru; 10057718be8SEnji Cooper const long n = 5; 10157718be8SEnji Cooper int i; 10257718be8SEnji Cooper 10357718be8SEnji Cooper /* 10457718be8SEnji Cooper * Test that signals are recorded. 10557718be8SEnji Cooper */ 10657718be8SEnji Cooper ATF_REQUIRE(signal(SIGUSR1, sighandler) != SIG_ERR); 10757718be8SEnji Cooper 10857718be8SEnji Cooper for (i = 0; i < n; i++) 10957718be8SEnji Cooper ATF_REQUIRE(raise(SIGUSR1) == 0); 11057718be8SEnji Cooper 11157718be8SEnji Cooper (void)memset(&ru, 0, sizeof(struct rusage)); 11257718be8SEnji Cooper ATF_REQUIRE(getrusage(RUSAGE_SELF, &ru) == 0); 11357718be8SEnji Cooper 11457718be8SEnji Cooper if (n != ru.ru_nsignals) 11557718be8SEnji Cooper atf_tc_fail("getrusage(2) did not record signals"); 11657718be8SEnji Cooper } 11757718be8SEnji Cooper 11857718be8SEnji Cooper ATF_TC(getrusage_utime_back); 11957718be8SEnji Cooper ATF_TC_HEAD(getrusage_utime_back, tc) 12057718be8SEnji Cooper { 12157718be8SEnji Cooper atf_tc_set_md_var(tc, "descr", "Test bogus values from getrusage(2)"); 12257718be8SEnji Cooper } 12357718be8SEnji Cooper 12457718be8SEnji Cooper ATF_TC_BODY(getrusage_utime_back, tc) 12557718be8SEnji Cooper { 12657718be8SEnji Cooper struct rusage ru1, ru2; 12757718be8SEnji Cooper size_t i; 12857718be8SEnji Cooper 12957718be8SEnji Cooper /* 13057718be8SEnji Cooper * Test that two consecutive calls are sane. 13157718be8SEnji Cooper */ 13257718be8SEnji Cooper atf_tc_expect_fail("PR kern/30115"); 13357718be8SEnji Cooper 13457718be8SEnji Cooper for (i = 0; i < maxiter; i++) { 13557718be8SEnji Cooper 13657718be8SEnji Cooper (void)memset(&ru1, 0, sizeof(struct rusage)); 13757718be8SEnji Cooper (void)memset(&ru2, 0, sizeof(struct rusage)); 13857718be8SEnji Cooper 13957718be8SEnji Cooper work(); 14057718be8SEnji Cooper 14157718be8SEnji Cooper ATF_REQUIRE(getrusage(RUSAGE_SELF, &ru1) == 0); 14257718be8SEnji Cooper 14357718be8SEnji Cooper work(); 14457718be8SEnji Cooper 14557718be8SEnji Cooper ATF_REQUIRE(getrusage(RUSAGE_SELF, &ru2) == 0); 14657718be8SEnji Cooper 14757718be8SEnji Cooper if (timercmp(&ru2.ru_utime, &ru1.ru_utime, <) != 0) 14857718be8SEnji Cooper atf_tc_fail("user time went backwards"); 14957718be8SEnji Cooper } 15057718be8SEnji Cooper 15157718be8SEnji Cooper atf_tc_fail("anticipated error did not occur"); 15257718be8SEnji Cooper } 15357718be8SEnji Cooper 15457718be8SEnji Cooper ATF_TC(getrusage_utime_zero); 15557718be8SEnji Cooper ATF_TC_HEAD(getrusage_utime_zero, tc) 15657718be8SEnji Cooper { 15757718be8SEnji Cooper atf_tc_set_md_var(tc, "descr", "Test zero utime from getrusage(2)"); 15857718be8SEnji Cooper } 15957718be8SEnji Cooper 16057718be8SEnji Cooper ATF_TC_BODY(getrusage_utime_zero, tc) 16157718be8SEnji Cooper { 16257718be8SEnji Cooper struct rusage ru; 16357718be8SEnji Cooper size_t i; 16457718be8SEnji Cooper 16557718be8SEnji Cooper /* 16657718be8SEnji Cooper * Test that getrusage(2) does not return 16757718be8SEnji Cooper * zero user time for the calling process. 16857718be8SEnji Cooper * 16957718be8SEnji Cooper * See also (duplicate) PR port-amd64/41734. 17057718be8SEnji Cooper */ 17157718be8SEnji Cooper atf_tc_expect_fail("PR kern/30115"); 17257718be8SEnji Cooper 17357718be8SEnji Cooper for (i = 0; i < maxiter; i++) { 17457718be8SEnji Cooper 17557718be8SEnji Cooper work(); 17657718be8SEnji Cooper 17757718be8SEnji Cooper (void)memset(&ru, 0, sizeof(struct rusage)); 17857718be8SEnji Cooper 17957718be8SEnji Cooper ATF_REQUIRE(getrusage(RUSAGE_SELF, &ru) == 0); 18057718be8SEnji Cooper 18157718be8SEnji Cooper if (ru.ru_utime.tv_sec == 0 && ru.ru_utime.tv_usec == 0) 18257718be8SEnji Cooper atf_tc_fail("zero user time from getrusage(2)"); 18357718be8SEnji Cooper } 18457718be8SEnji Cooper 18557718be8SEnji Cooper atf_tc_fail("anticipated error did not occur"); 18657718be8SEnji Cooper } 18757718be8SEnji Cooper 18857718be8SEnji Cooper ATF_TP_ADD_TCS(tp) 18957718be8SEnji Cooper { 19057718be8SEnji Cooper 19157718be8SEnji Cooper ATF_TP_ADD_TC(tp, getrusage_err); 19257718be8SEnji Cooper ATF_TP_ADD_TC(tp, getrusage_sig); 19357718be8SEnji Cooper ATF_TP_ADD_TC(tp, getrusage_utime_back); 19457718be8SEnji Cooper ATF_TP_ADD_TC(tp, getrusage_utime_zero); 19557718be8SEnji Cooper 19657718be8SEnji Cooper return atf_no_error(); 19757718be8SEnji Cooper } 198