1 | /* Copyright (C) 2002-2024 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 <pthread.h> |
19 | #include <signal.h> |
20 | #include <stdio.h> |
21 | #include <unistd.h> |
22 | |
23 | |
24 | static int fd[2]; |
25 | |
26 | |
27 | static void * |
28 | tf (void *arg) |
29 | { |
30 | /* The buffer size must be larger than the pipe size so that the |
31 | write blocks. */ |
32 | char buf[100000]; |
33 | |
34 | while (write (fd[1], buf, sizeof (buf)) > 0); |
35 | |
36 | return (void *) 42l; |
37 | } |
38 | |
39 | |
40 | static int |
41 | do_test (void) |
42 | { |
43 | pthread_t th; |
44 | void *r; |
45 | struct sigaction sa; |
46 | |
47 | sa.sa_handler = SIG_IGN; |
48 | sigemptyset (&sa.sa_mask); |
49 | sa.sa_flags = 0; |
50 | |
51 | if (sigaction (SIGPIPE, act: &sa, NULL) != 0) |
52 | { |
53 | puts (s: "sigaction failed" ); |
54 | return 1; |
55 | } |
56 | |
57 | if (pipe (pipedes: fd) != 0) |
58 | { |
59 | puts (s: "pipe failed" ); |
60 | return 1; |
61 | } |
62 | |
63 | if (pthread_create (newthread: &th, NULL, start_routine: tf, NULL) != 0) |
64 | { |
65 | puts (s: "create failed" ); |
66 | return 1; |
67 | } |
68 | |
69 | if (pthread_cancel (th: th) != 0) |
70 | { |
71 | puts (s: "cancel failed" ); |
72 | return 1; |
73 | } |
74 | |
75 | /* This will cause the write in the child to return. */ |
76 | close (fd: fd[0]); |
77 | |
78 | if (pthread_join (th: th, thread_return: &r) != 0) |
79 | { |
80 | puts (s: "join failed" ); |
81 | return 1; |
82 | } |
83 | |
84 | if (r != PTHREAD_CANCELED) |
85 | { |
86 | printf (format: "result is wrong: expected %p, got %p\n" , PTHREAD_CANCELED, r); |
87 | return 1; |
88 | } |
89 | |
90 | return 0; |
91 | } |
92 | |
93 | #define TEST_FUNCTION do_test () |
94 | #include "../test-skeleton.c" |
95 | |