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-rw-r--r--src/regress/lib/libc/setjmp/jmptest.c135
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diff --git a/src/regress/lib/libc/setjmp/jmptest.c b/src/regress/lib/libc/setjmp/jmptest.c
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1/* $NetBSD: jmptest.c,v 1.2 1995/01/01 20:55:35 jtc Exp $ */
2
3/*
4 * Copyright (c) 1994 Christopher G. Demetriou
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 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Christopher G. Demetriou
18 * for the NetBSD Project.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <sys/types.h>
35#include <err.h>
36#include <setjmp.h>
37#include <signal.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <unistd.h>
41
42#if (TEST_SETJMP + TEST_U_SETJMP + TEST_SIGSETJMP) != 1
43#error one of TEST_SETJMP, TEST_U_SETJMP, or TEST_SIGSETJMP must be defined
44#endif
45
46#ifdef TEST_SETJMP
47#define BUF jmp_buf
48#define SET(b, m) setjmp(b)
49#define JMP(b, v) longjmp(b, v)
50#endif
51
52#ifdef TEST_U_SETJMP
53#define BUF jmp_buf
54#define SET(b, m) _setjmp(b)
55#define JMP(b, v) _longjmp(b, v)
56#endif
57
58#ifdef TEST_SIGSETJMP
59#define BUF sigjmp_buf
60#define SET(b, m) sigsetjmp(b, m)
61#define JMP(b, v) siglongjmp(b, v)
62#endif
63
64int expectsignal;
65
66void
67aborthandler(signo)
68 int signo;
69{
70
71 if (expectsignal)
72 exit(0);
73 else
74 errx(1, "kill(SIGABRT) succeeded");
75}
76
77int
78main(argc, argv)
79 int argc;
80 char *argv[];
81{
82 struct sigaction sa;
83 BUF jb;
84 sigset_t ss;
85 int i, x;
86
87 i = getpid();
88
89#ifdef TEST_SETJMP
90 expectsignal = 0;
91#endif
92#ifdef TEST_U_SETJMP
93 expectsignal = 1;
94#endif
95#ifdef TEST_SIGSETJMP
96 if (argc != 2 ||
97 (strcmp(argv[1], "save") && strcmp(argv[1], "nosave"))) {
98 fprintf(stderr, "usage: %s [save|nosave]\n", argv[0]);
99 exit(1);
100 }
101 expectsignal = (strcmp(argv[1], "save") != 0);
102#endif
103
104 sa.sa_handler = aborthandler;
105 sigemptyset(&sa.sa_mask);
106 sa.sa_flags = 0;
107 if (sigaction(SIGABRT, &sa, NULL) == -1)
108 err(1, "sigaction failed");
109
110 if (sigemptyset(&ss) == -1)
111 err(1, "sigemptyset failed");
112 if (sigaddset(&ss, SIGABRT) == -1)
113 err(1, "sigaddset failed");
114 if (sigprocmask(SIG_BLOCK, &ss, NULL) == -1)
115 err(1, "sigprocmask (1) failed");
116
117 x = SET(jb, !expectsignal);
118 if (x != 0) {
119 if (x != i)
120 errx(1, "setjmp returned wrong value");
121
122 kill(i, SIGABRT);
123 if (expectsignal)
124 errx(1, "kill(SIGABRT) failed");
125 else
126 exit(0);
127 }
128
129 if (sigprocmask(SIG_UNBLOCK, &ss, NULL) == -1)
130 err(1, "sigprocmask (2) failed");
131
132 JMP(jb, i);
133
134 errx(1, "jmp failed");
135}