1 /* $NetBSD: t_timeleft.c,v 1.2 2017/12/30 17:06:27 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2017 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __COPYRIGHT("@(#) Copyright (c) 2008\ 34 The NetBSD Foundation, inc. All rights reserved."); 35 __RCSID("$NetBSD: t_timeleft.c,v 1.2 2017/12/30 17:06:27 martin Exp $"); 36 37 #include <sys/types.h> 38 #include <sys/select.h> 39 40 #include <atf-c.h> 41 #include <time.h> 42 #include <errno.h> 43 #include <lwp.h> 44 #include <signal.h> 45 #include <pthread.h> 46 #include <stdio.h> 47 #include <sched.h> 48 #include <unistd.h> 49 50 static void 51 sighandler(int signo __unused) 52 { 53 } 54 55 struct info { 56 void (*fun)(struct timespec *); 57 struct timespec ts; 58 }; 59 60 static void 61 timeleft__lwp_park(struct timespec *ts) 62 { 63 ATF_REQUIRE_ERRNO(EINTR, _lwp_park(CLOCK_MONOTONIC, TIMER_RELTIME, 64 ts, 0, ts, NULL) == -1); 65 } 66 67 #if 0 68 static void 69 timeleft_pselect(struct timespec *ts) 70 { 71 ATF_REQUIRE_ERRNO(EINTR, pselect(1, NULL, NULL, NULL, ts, NULL)); 72 } 73 #endif 74 75 static void * 76 runner(void *arg) 77 { 78 struct info *i = arg; 79 (*i->fun)(&i->ts); 80 return NULL; 81 } 82 83 static void 84 tester(void (*fun)(struct timespec *)) 85 { 86 const struct timespec ts = { 5, 0 }; 87 const struct timespec sts = { 0, 2000000 }; 88 struct info i = { fun, ts }; 89 pthread_t thr; 90 91 ATF_REQUIRE(signal(SIGINT, sighandler) == 0); 92 ATF_REQUIRE(pthread_create(&thr, NULL, runner, &i) == 0); 93 94 nanosleep(&sts, NULL); 95 pthread_kill(thr, SIGINT); 96 printf("Orig time %ju.%lu\n", (intmax_t)ts.tv_sec, ts.tv_nsec); 97 printf("Time left %ju.%lu\n", (intmax_t)i.ts.tv_sec, i.ts.tv_nsec); 98 ATF_REQUIRE(timespeccmp(&i.ts, &ts, <)); 99 } 100 101 ATF_TC(timeleft__lwp_park); 102 ATF_TC_HEAD(timeleft__lwp_park, tc) 103 { 104 atf_tc_set_md_var(tc, "descr", "Checks that _lwp_park(2) returns " 105 "the time left to sleep after interrupted"); 106 } 107 108 ATF_TC_BODY(timeleft__lwp_park, tc) 109 { 110 tester(timeleft__lwp_park); 111 } 112 113 #if 0 114 ATF_TC(timeleft_pselect); 115 ATF_TC_HEAD(timeleft_pselect, tc) 116 { 117 atf_tc_set_md_var(tc, "descr", "Checks that pselect(2) returns " 118 "the time left to sleep after interrupted"); 119 } 120 121 ATF_TC_BODY(timeleft_pselect, tc) 122 { 123 tester(timeleft_pselect); 124 } 125 #endif 126 127 ATF_TP_ADD_TCS(tp) 128 { 129 130 ATF_TP_ADD_TC(tp, timeleft__lwp_park); 131 #if 0 132 ATF_TP_ADD_TC(tp, timeleft_pselect); 133 #endif 134 135 return atf_no_error(); 136 } 137