tests/lib/libpthread/t_kill.c

   1 /* $NetBSD: t_kill.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $ */
   2
   3 /*
   4  * Copyright (c) 2008 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 /*-
  30  * Copyright (c)2004 YAMAMOTO Takashi,
  31  * All rights reserved.
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  */
  54
  55 #include <sys/cdefs.h>
  56 __COPYRIGHT("@(#) Copyright (c) 2008\
  57  The NetBSD Foundation, inc. All rights reserved.");
  58 __RCSID("$NetBSD: t_kill.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $");
  59
  60 #include <pthread.h>
  61 #include <signal.h>
  62 #include <stdlib.h>
  63 #include <string.h>
  64 #include <stdio.h>
  65
  66 #include <atf-c.h>
  67
  68 #include "h_common.h"
  69
  70 #define    NTHREAD    2
  71
  72 struct threadinfo {
  73         pthread_t id;
  74         sig_atomic_t gotsignal;
  75 } th[NTHREAD];
  76
  77 pthread_t mainthread;
  78
  79 static void
  80 sighandler(int signo)
  81 {
  82         pthread_t self;
  83         int i;
  84
  85         self = pthread_self();
  86         ATF_REQUIRE_MSG((self != mainthread) && (signo == SIGUSR1),
  87                                   "unexpected signal");
  88
  89         for (i = 0; i < NTHREAD; i++)
  90                 if (self == th[i].id)
  91                         break;
  92
  93         ATF_REQUIRE_MSG(i != NTHREAD, "unknown thread");
  94
  95         th[i].gotsignal++;
  96 }
  97
  98 static void *
  99 f(void *arg)
 100 {
 101         struct threadinfo volatile *t = arg;
 102
 103         while (t->gotsignal < 1) {
 104                 /* busy loop */
 105         }
 106
 107         return NULL;
 108 }
 109
 110 ATF_TC(simple);
 111 ATF_TC_HEAD(simple, tc)
 112 {
 113         atf_tc_set_md_var(tc, "descr", "Checks pthread_kill()");
 114 }
 115 ATF_TC_BODY(simple, tc)
 116 {
 117         int i;
 118         pthread_t self;
 119
 120         mainthread = pthread_self();
 121
 122         ATF_REQUIRE(signal(SIGUSR1, sighandler) != SIG_ERR);
 123
 124         for (i = 0; i < NTHREAD; i++) {
 125                 PTHREAD_REQUIRE(pthread_create(&th[i].id, NULL, f, &th[i]));
 126         }
 127
 128         sched_yield();
 129
 130         self = pthread_self();
 131         ATF_REQUIRE_EQ_MSG(self, mainthread, "thread id changed");
 132
 133         for (i = 0; i < NTHREAD; i++) {
 134                 PTHREAD_REQUIRE(pthread_kill(th[i].id, SIGUSR1));
 135         }
 136
 137         for (i = 0; i < NTHREAD; i++) {
 138                 PTHREAD_REQUIRE(pthread_join(th[i].id, NULL));
 139         }
 140 }
 141
 142 ATF_TP_ADD_TCS(tp)
 143 {
 144         ATF_TP_ADD_TC(tp, simple);
 145
 146         return atf_no_error();
 147 }