tests/lib/libc/sys/t_sigtimedwait.c

   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 }