1 | /* Copyright (C) 2003-2024 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <errno.h> |
19 | #include <pthread.h> |
20 | #include <signal.h> |
21 | #include <stdio.h> |
22 | #include <stdlib.h> |
23 | #include <string.h> |
24 | #include <unistd.h> |
25 | #include <sys/mman.h> |
26 | #include <sys/wait.h> |
27 | |
28 | |
29 | static sigset_t ss; |
30 | |
31 | |
32 | static void * |
33 | tf (void *arg) |
34 | { |
35 | sigset_t ss2; |
36 | if (pthread_sigmask (SIG_SETMASK, NULL, oldmask: &ss2) != 0) |
37 | { |
38 | puts (s: "child: sigmask failed" ); |
39 | exit (1); |
40 | } |
41 | |
42 | int i; |
43 | for (i = 1; i < 32; ++i) |
44 | if (sigismember (&ss, i) && ! sigismember (&ss2, i)) |
45 | { |
46 | printf (format: "signal %d set in parent mask, but not in child\n" , i); |
47 | exit (1); |
48 | } |
49 | else if (! sigismember (&ss, i) && sigismember (&ss2, i)) |
50 | { |
51 | printf (format: "signal %d set in child mask, but not in parent\n" , i); |
52 | exit (1); |
53 | } |
54 | |
55 | return NULL; |
56 | } |
57 | |
58 | |
59 | static int |
60 | do_test (void) |
61 | { |
62 | sigemptyset (&ss); |
63 | sigaddset (&ss, SIGUSR1); |
64 | if (pthread_sigmask (SIG_SETMASK, newmask: &ss, NULL) != 0) |
65 | { |
66 | puts (s: "1st sigmask failed" ); |
67 | exit (1); |
68 | } |
69 | |
70 | pthread_t th; |
71 | if (pthread_create (newthread: &th, NULL, start_routine: tf, NULL) != 0) |
72 | { |
73 | puts (s: "1st create failed" ); |
74 | exit (1); |
75 | } |
76 | |
77 | void *r; |
78 | if (pthread_join (th: th, thread_return: &r) != 0) |
79 | { |
80 | puts (s: "1st join failed" ); |
81 | exit (1); |
82 | } |
83 | |
84 | sigemptyset (&ss); |
85 | sigaddset (&ss, SIGUSR2); |
86 | sigaddset (&ss, SIGFPE); |
87 | if (pthread_sigmask (SIG_SETMASK, newmask: &ss, NULL) != 0) |
88 | { |
89 | puts (s: "2nd sigmask failed" ); |
90 | exit (1); |
91 | } |
92 | |
93 | if (pthread_create (newthread: &th, NULL, start_routine: tf, NULL) != 0) |
94 | { |
95 | puts (s: "2nd create failed" ); |
96 | exit (1); |
97 | } |
98 | |
99 | if (pthread_join (th: th, thread_return: &r) != 0) |
100 | { |
101 | puts (s: "2nd join failed" ); |
102 | exit (1); |
103 | } |
104 | |
105 | return 0; |
106 | } |
107 | |
108 | #define TEST_FUNCTION do_test () |
109 | #include "../test-skeleton.c" |
110 | |