/* $OpenBSD: t_getitimer.c,v 1.3 2020/11/09 23:18:51 bluhm Exp $ */ /* $NetBSD: t_getitimer.c,v 1.3 2019/07/13 12:44:02 gson 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 "macros.h" #include __RCSID("$NetBSD: t_getitimer.c,v 1.3 2019/07/13 12:44:02 gson Exp $"); #include #include "atf-c.h" #include #include #include #include #include static bool fail; static void sighandler(int); static void sighandler(int signo) { if (signo == SIGALRM || signo == SIGVTALRM) fail = false; } ATF_TC(getitimer_empty); ATF_TC_HEAD(getitimer_empty, tc) { atf_tc_set_md_var(tc, "descr", "getitimer(2) before setitimer(2)"); } ATF_TC_BODY(getitimer_empty, tc) { struct itimerval it; /* * Verify that the passed structure remains * empty after calling getitimer(2) but before * actually arming the timer with setitimer(2). */ (void)memset(&it, 0, sizeof(struct itimerval)); ATF_REQUIRE(getitimer(ITIMER_REAL, &it) == 0); if (it.it_value.tv_sec != 0 || it.it_value.tv_usec != 0) goto fail; ATF_REQUIRE(getitimer(ITIMER_VIRTUAL, &it) == 0); if (it.it_value.tv_sec != 0 || it.it_value.tv_usec != 0) goto fail; ATF_REQUIRE(getitimer(ITIMER_PROF, &it) == 0); if (it.it_value.tv_sec != 0 || it.it_value.tv_usec != 0) goto fail; return; fail: atf_tc_fail("getitimer(2) modfied the timer before it was armed"); } ATF_TC(getitimer_err); ATF_TC_HEAD(getitimer_err, tc) { atf_tc_set_md_var(tc, "descr", "Test errors from getitimer(2)"); } ATF_TC_BODY(getitimer_err, tc) { struct itimerval it; errno = 0; ATF_REQUIRE_ERRNO(EINVAL, getitimer(-1, &it) == -1); errno = 0; ATF_REQUIRE_ERRNO(EINVAL, getitimer(INT_MAX, &it) == -1); errno = 0; ATF_REQUIRE_ERRNO(EFAULT, getitimer(ITIMER_REAL, (void *)-1) == -1); } ATF_TC(setitimer_basic); ATF_TC_HEAD(setitimer_basic, tc) { atf_tc_set_md_var(tc, "descr", "A basic test of setitimer(2)"); } ATF_TC_BODY(setitimer_basic, tc) { struct itimerval it; it.it_value.tv_sec = 0; it.it_value.tv_usec = 100; it.it_interval.tv_sec = 0; it.it_interval.tv_usec = 0; fail = true; ATF_REQUIRE(signal(SIGALRM, sighandler) != SIG_ERR); ATF_REQUIRE(setitimer(ITIMER_REAL, &it, NULL) == 0); /* * Although the interaction between * setitimer(2) and sleep(3) can be * unspecified, it is assumed that one * second suspension will be enough for * the timer to fire. */ (void)sleep(1); if (fail != false) atf_tc_fail("timer did not fire"); } ATF_TC(setitimer_err); ATF_TC_HEAD(setitimer_err, tc) { atf_tc_set_md_var(tc, "descr", "Test errors from setitimer(2)" " (PR standards/44927)"); } ATF_TC_BODY(setitimer_err, tc) { struct itimerval it, ot; errno = 0; ATF_REQUIRE_ERRNO(EINVAL, setitimer(-1, &it, &ot) == -1); errno = 0; ATF_REQUIRE_ERRNO(EINVAL, setitimer(INT_MAX, &it, &ot) == -1); errno = 0; ATF_REQUIRE_ERRNO(EFAULT, setitimer(ITIMER_REAL,(void*)-1, &ot) == -1); } ATF_TC(setitimer_old); ATF_TC_HEAD(setitimer_old, tc) { atf_tc_set_md_var(tc, "descr", "Test old values from setitimer(2)"); } ATF_TC_BODY(setitimer_old, tc) { struct itimerval it, ot; /* * Make two calls; the second one should store the old * timer value which should be the same as that set in * the first call, or slightly less due to time passing * between the two calls. */ it.it_value.tv_sec = 4; it.it_value.tv_usec = 999999; it.it_interval.tv_sec = 0; it.it_interval.tv_usec = 0; ATF_REQUIRE(setitimer(ITIMER_REAL, &it, &ot) == 0); it.it_value.tv_sec = 2; it.it_value.tv_usec = 1; it.it_interval.tv_sec = 0; it.it_interval.tv_usec = 0; ATF_REQUIRE(setitimer(ITIMER_REAL, &it, &ot) == 0); /* Check seconds only as microseconds may have decremented */ if (ot.it_value.tv_sec != 4) atf_tc_fail("setitimer(2) did not store old values"); } ATF_TP_ADD_TCS(tp) { ATF_TP_ADD_TC(tp, getitimer_empty); ATF_TP_ADD_TC(tp, getitimer_err); ATF_TP_ADD_TC(tp, setitimer_basic); ATF_TP_ADD_TC(tp, setitimer_err); ATF_TP_ADD_TC(tp, setitimer_old); return atf_no_error(); }