1 /* $NetBSD: t_sigtimedwait.c,v 1.2 2013/03/08 23:18:00 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __RCSID("$NetBSD: t_sigtimedwait.c,v 1.2 2013/03/08 23:18:00 martin Exp $"); 31 32 #include <sys/time.h> 33 #include <errno.h> 34 #include <signal.h> 35 #include <stdio.h> 36 #include <string.h> 37 #include <atf-c.h> 38 39 40 ATF_TC(sigtimedwait_all0timeout); 41 42 ATF_TC_HEAD(sigtimedwait_all0timeout, tc) 43 { 44 atf_tc_set_md_var(tc, "timeout", "10"); 45 atf_tc_set_md_var(tc, "descr", "Test for PR kern/47625: sigtimedwait" 46 " with a timeout value of all zero should return imediately"); 47 } 48 49 ATF_TC_BODY(sigtimedwait_all0timeout, tc) 50 { 51 sigset_t block; 52 struct timespec ts, before, after, len; 53 siginfo_t info; 54 int r; 55 56 sigemptyset(&block); 57 ts.tv_sec = 0; 58 ts.tv_nsec = 0; 59 clock_gettime(CLOCK_MONOTONIC, &before); 60 r = sigtimedwait(&block, &info, &ts); 61 clock_gettime(CLOCK_MONOTONIC, &after); 62 ATF_REQUIRE(r == -1); 63 ATF_REQUIRE_ERRNO(EAGAIN, errno); 64 timespecsub(&after, &before, &len); 65 ATF_REQUIRE(len.tv_sec < 1); 66 } 67 68 ATF_TC(sigtimedwait_NULL_timeout); 69 70 ATF_TC_HEAD(sigtimedwait_NULL_timeout, tc) 71 { 72 atf_tc_set_md_var(tc, "timeout", "10"); 73 atf_tc_set_md_var(tc, "descr", "Test sigtimedwait() without timeout"); 74 } 75 76 ATF_TC_BODY(sigtimedwait_NULL_timeout, tc) 77 { 78 sigset_t sig; 79 siginfo_t info; 80 struct itimerval it; 81 int r; 82 83 /* arrange for a SIGALRM signal in a few seconds */ 84 memset(&it, 0, sizeof it); 85 it.it_value.tv_sec = 5; 86 ATF_REQUIRE(setitimer(ITIMER_REAL, &it, NULL) == 0); 87 88 /* wait without timeout */ 89 sigemptyset(&sig); 90 sigaddset(&sig, SIGALRM); 91 r = sigtimedwait(&sig, &info, NULL); 92 ATF_REQUIRE(r == SIGALRM); 93 } 94 95 ATF_TC(sigtimedwait_small_timeout); 96 97 ATF_TC_HEAD(sigtimedwait_small_timeout, tc) 98 { 99 atf_tc_set_md_var(tc, "timeout", "15"); 100 atf_tc_set_md_var(tc, "descr", "Test sigtimedwait with a small " 101 "timeout"); 102 } 103 104 ATF_TC_BODY(sigtimedwait_small_timeout, tc) 105 { 106 sigset_t block; 107 struct timespec ts; 108 siginfo_t info; 109 int r; 110 111 sigemptyset(&block); 112 ts.tv_sec = 5; 113 ts.tv_nsec = 0; 114 r = sigtimedwait(&block, &info, &ts); 115 ATF_REQUIRE(r == -1); 116 ATF_REQUIRE_ERRNO(EAGAIN, errno); 117 } 118 119 ATF_TP_ADD_TCS(tp) 120 { 121 ATF_TP_ADD_TC(tp, sigtimedwait_all0timeout); 122 ATF_TP_ADD_TC(tp, sigtimedwait_NULL_timeout); 123 ATF_TP_ADD_TC(tp, sigtimedwait_small_timeout); 124 125 return atf_no_error(); 126 } 127