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 }
148