1 /*
2  * Unit test suite for signal function.
3  *
4  * Copyright 2009 Peter Rosin
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #include "wine/test.h"
22 #include <winbase.h>
23 #include <signal.h>
24 
25 static int test_value = 0;
26 
27 static void __cdecl sighandler(int signum)
28 {
29     void **ret = __pxcptinfoptrs();
30 
31     ok(ret != NULL, "ret = NULL\n");
32     if(signum == SIGABRT)
33         ok(*ret == (void*)0xdeadbeef, "*ret = %p\n", *ret);
34     else if(signum == SIGSEGV)
35         ok(*ret == NULL, "*ret = %p\n", *ret);
36     ++test_value;
37 }
38 
39 static void test_signal(void)
40 {
41     void (__cdecl *old)(int);
42     int res;
43 
44     old = signal(SIGBREAK, sighandler);
45     ok(old != SIG_ERR, "Failed to install signal handler for SIGBREAK\n");
46     test_value = 0;
47     res = raise(SIGBREAK);
48     ok(res == 0, "Failed to raise SIGBREAK\n");
49     ok(test_value == 1, "SIGBREAK handler not invoked\n");
50 }
51 
52 static void test___pxcptinfoptrs(void)
53 {
54     void **ret = __pxcptinfoptrs();
55     int res;
56 
57     ok(ret != NULL, "ret == NULL\n");
58     ok(*ret == NULL, "*ret != NULL\n");
59 
60     test_value = 0;
61 
62     *ret = (void*)0xdeadbeef;
63     signal(SIGSEGV, sighandler);
64     res = raise(SIGSEGV);
65     ok(res == 0, "failed to raise SIGSEGV\n");
66     ok(*ret == (void*)0xdeadbeef, "*ret = %p\n", *ret);
67 
68     signal(SIGABRT, sighandler);
69     res = raise(SIGABRT);
70     ok(res == 0, "failed to raise SIGBREAK\n");
71     ok(*ret == (void*)0xdeadbeef, "*ret = %p\n", *ret);
72 
73     ok(test_value == 2, "test_value = %d\n", test_value);
74 }
75 
76 START_TEST(signal)
77 {
78     test_signal();
79     test___pxcptinfoptrs();
80 }
81