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581c785b | 1 | /* Copyright (C) 2002-2022 Free Software Foundation, Inc. |
76a50749 | 2 | This file is part of the GNU C Library. |
76a50749 UD |
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 | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
76a50749 UD |
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 | ||
0466106e | 34 | while (write (fd[1], buf, sizeof (buf)) > 0); |
76a50749 UD |
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, &sa, NULL) != 0) | |
52 | { | |
53 | puts ("sigaction failed"); | |
54 | return 1; | |
55 | } | |
56 | ||
57 | if (pipe (fd) != 0) | |
58 | { | |
59 | puts ("pipe failed"); | |
60 | return 1; | |
61 | } | |
62 | ||
63 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
64 | { | |
65 | puts ("create failed"); | |
66 | return 1; | |
67 | } | |
68 | ||
69 | if (pthread_cancel (th) != 0) | |
70 | { | |
71 | puts ("cancel failed"); | |
72 | return 1; | |
73 | } | |
74 | ||
75 | /* This will cause the write in the child to return. */ | |
76 | close (fd[0]); | |
77 | ||
78 | if (pthread_join (th, &r) != 0) | |
79 | { | |
80 | puts ("join failed"); | |
81 | return 1; | |
82 | } | |
83 | ||
84 | if (r != PTHREAD_CANCELED) | |
85 | { | |
86 | printf ("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" |