1 /* $NetBSD: t_sigaction.c,v 1.3 2014/11/04 00:20:19 justin Exp $ */
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
29 #include <sys/cdefs.h>
30 __COPYRIGHT("@(#) Copyright (c) 2010\
31 The NetBSD Foundation, inc. All rights reserved.");
32 __RCSID("$NetBSD: t_sigaction.c,v 1.3 2014/11/04 00:20:19 justin Exp $");
45 #include "../../../h_macros.h"
50 static bool handler_called = false;
54 handler(int signo __unused)
59 handler_called = true;
63 sa_resethand_child(const int flags)
68 sa.sa_handler = &handler;
69 sigemptyset(&sa.sa_mask);
71 sigaction(SIGUSR1, &sa, NULL);
72 kill(getpid(), SIGUSR1);
73 exit(handler_called ? EXIT_SUCCESS : EXIT_FAILURE);
77 wait_and_check_child(const pid_t pid, const char *fail_message)
81 (void)waitpid(pid, &status, 0);
83 if (WIFEXITED(status))
84 ATF_CHECK_EQ(EXIT_SUCCESS, WEXITSTATUS(status));
86 atf_tc_fail("%s; raw exit status was %d", fail_message, status);
91 catch(int sig __unused)
99 ATF_TC(sigaction_basic);
100 ATF_TC_HEAD(sigaction_basic, tc)
103 atf_tc_set_md_var(tc, "descr", "Checks for correct I&D cache"
104 "synchronization after copying out the trampoline code.");
107 ATF_TC_BODY(sigaction_basic, tc)
109 static struct sigaction sa;
111 sa.sa_handler = catch;
113 sigaction(SIGUSR1, &sa, 0);
114 kill(getpid(), SIGUSR1);
118 ATF_TC(sigaction_noflags);
119 ATF_TC_HEAD(sigaction_noflags, tc)
121 atf_tc_set_md_var(tc, "descr", "Checks programming a signal with "
122 "sigaction(2) but without any flags");
125 ATF_TC_BODY(sigaction_noflags, tc)
127 const pid_t pid = fork();
129 atf_tc_fail_errno("fork(2) failed");
131 sa_resethand_child(0);
133 wait_and_check_child(pid, "Child process did not exit cleanly;"
134 " it failed to process the signal");
137 ATF_TC(sigaction_resethand);
138 ATF_TC_HEAD(sigaction_resethand, tc)
140 atf_tc_set_md_var(tc, "descr", "Checks that SA_RESETHAND works");
143 ATF_TC_BODY(sigaction_resethand, tc)
145 const pid_t pid = fork();
147 atf_tc_fail_errno("fork(2) failed");
149 sa_resethand_child(SA_RESETHAND);
151 wait_and_check_child(pid, "Child process did not exit cleanly;"
152 " it either failed to process the signal or SA_RESETHAND"
160 ATF_TP_ADD_TC(tp, sigaction_basic);
161 ATF_TP_ADD_TC(tp, sigaction_noflags);
162 ATF_TP_ADD_TC(tp, sigaction_resethand);
164 return atf_no_error();