1*ac555471Sjmmv /* $NetBSD: t_siglongjmp.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $ */
2*ac555471Sjmmv
3*ac555471Sjmmv /*
4*ac555471Sjmmv * Copyright (c) 2008 The NetBSD Foundation, Inc.
5*ac555471Sjmmv * All rights reserved.
6*ac555471Sjmmv *
7*ac555471Sjmmv * Redistribution and use in source and binary forms, with or without
8*ac555471Sjmmv * modification, are permitted provided that the following conditions
9*ac555471Sjmmv * are met:
10*ac555471Sjmmv * 1. Redistributions of source code must retain the above copyright
11*ac555471Sjmmv * notice, this list of conditions and the following disclaimer.
12*ac555471Sjmmv * 2. Redistributions in binary form must reproduce the above copyright
13*ac555471Sjmmv * notice, this list of conditions and the following disclaimer in the
14*ac555471Sjmmv * documentation and/or other materials provided with the distribution.
15*ac555471Sjmmv *
16*ac555471Sjmmv * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17*ac555471Sjmmv * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18*ac555471Sjmmv * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19*ac555471Sjmmv * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20*ac555471Sjmmv * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21*ac555471Sjmmv * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22*ac555471Sjmmv * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23*ac555471Sjmmv * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24*ac555471Sjmmv * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25*ac555471Sjmmv * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26*ac555471Sjmmv * POSSIBILITY OF SUCH DAMAGE.
27*ac555471Sjmmv */
28*ac555471Sjmmv
29*ac555471Sjmmv #include <sys/cdefs.h>
30*ac555471Sjmmv __COPYRIGHT("@(#) Copyright (c) 2008\
31*ac555471Sjmmv The NetBSD Foundation, inc. All rights reserved.");
32*ac555471Sjmmv __RCSID("$NetBSD: t_siglongjmp.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $");
33*ac555471Sjmmv
34*ac555471Sjmmv /*
35*ac555471Sjmmv * Regression test for siglongjmp out of a signal handler back into
36*ac555471Sjmmv * its thread.
37*ac555471Sjmmv *
38*ac555471Sjmmv * Written by Christian Limpach <cl@NetBSD.org>, December 2003.
39*ac555471Sjmmv * Public domain.
40*ac555471Sjmmv */
41*ac555471Sjmmv
42*ac555471Sjmmv #include <sys/resource.h>
43*ac555471Sjmmv
44*ac555471Sjmmv #include <pthread.h>
45*ac555471Sjmmv #include <setjmp.h>
46*ac555471Sjmmv #include <signal.h>
47*ac555471Sjmmv #include <unistd.h>
48*ac555471Sjmmv
49*ac555471Sjmmv #include <atf-c.h>
50*ac555471Sjmmv
51*ac555471Sjmmv #include "h_common.h"
52*ac555471Sjmmv
53*ac555471Sjmmv static sigjmp_buf env;
54*ac555471Sjmmv
55*ac555471Sjmmv static void *
thread(void * arg)56*ac555471Sjmmv thread(void *arg)
57*ac555471Sjmmv {
58*ac555471Sjmmv return NULL;
59*ac555471Sjmmv }
60*ac555471Sjmmv
61*ac555471Sjmmv static void
handler(int sig,siginfo_t * info,void * ctx)62*ac555471Sjmmv handler(int sig, siginfo_t *info, void *ctx)
63*ac555471Sjmmv {
64*ac555471Sjmmv siglongjmp(env, 1);
65*ac555471Sjmmv }
66*ac555471Sjmmv
67*ac555471Sjmmv ATF_TC(siglongjmp1);
ATF_TC_HEAD(siglongjmp1,tc)68*ac555471Sjmmv ATF_TC_HEAD(siglongjmp1, tc)
69*ac555471Sjmmv {
70*ac555471Sjmmv atf_tc_set_md_var(tc, "descr",
71*ac555471Sjmmv "Checks siglongjmp() out of a signal handler back into its thread");
72*ac555471Sjmmv }
ATF_TC_BODY(siglongjmp1,tc)73*ac555471Sjmmv ATF_TC_BODY(siglongjmp1, tc)
74*ac555471Sjmmv {
75*ac555471Sjmmv pthread_t t;
76*ac555471Sjmmv sigset_t nset;
77*ac555471Sjmmv struct rlimit rlim;
78*ac555471Sjmmv struct sigaction act;
79*ac555471Sjmmv
80*ac555471Sjmmv rlim.rlim_cur = rlim.rlim_max = 0;
81*ac555471Sjmmv (void)setrlimit(RLIMIT_CORE, &rlim);
82*ac555471Sjmmv
83*ac555471Sjmmv PTHREAD_REQUIRE(pthread_create(&t, NULL, thread, NULL));
84*ac555471Sjmmv
85*ac555471Sjmmv sigemptyset(&nset);
86*ac555471Sjmmv sigaddset(&nset, SIGUSR1);
87*ac555471Sjmmv PTHREAD_REQUIRE(pthread_sigmask(SIG_SETMASK, &nset, NULL));
88*ac555471Sjmmv
89*ac555471Sjmmv act.sa_sigaction = handler;
90*ac555471Sjmmv sigemptyset(&act.sa_mask);
91*ac555471Sjmmv sigaddset(&act.sa_mask, SIGUSR2);
92*ac555471Sjmmv act.sa_flags = 0;
93*ac555471Sjmmv sigaction(SIGSEGV, &act, NULL);
94*ac555471Sjmmv
95*ac555471Sjmmv ATF_REQUIRE_EQ(sigsetjmp(env, 1), 0);
96*ac555471Sjmmv
97*ac555471Sjmmv PTHREAD_REQUIRE(pthread_sigmask(0, NULL, &nset));
98*ac555471Sjmmv
99*ac555471Sjmmv ATF_REQUIRE_EQ_MSG(sigismember(&nset, SIGSEGV), 0, "SIGSEGV set");
100*ac555471Sjmmv ATF_REQUIRE_EQ_MSG(sigismember(&nset, SIGUSR2), 0, "SIGUSR2 set");
101*ac555471Sjmmv ATF_REQUIRE_MSG(sigismember(&nset, SIGUSR1), "SIGUSR1 not set");
102*ac555471Sjmmv }
103*ac555471Sjmmv
ATF_TP_ADD_TCS(tp)104*ac555471Sjmmv ATF_TP_ADD_TCS(tp)
105*ac555471Sjmmv {
106*ac555471Sjmmv ATF_TP_ADD_TC(tp, siglongjmp1);
107*ac555471Sjmmv
108*ac555471Sjmmv return atf_no_error();
109*ac555471Sjmmv }
110