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bfff8b1b | 1 | /* Copyright (C) 2003-2017 Free Software Foundation, Inc. |
86246935 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
86246935 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | ||
26 | ||
27 | static pthread_barrier_t bar; | |
28 | static int fd[2]; | |
29 | ||
30 | ||
31 | static void | |
32 | cleanup (void *arg) | |
33 | { | |
34 | static int ncall; | |
35 | ||
36 | if (++ncall != 1) | |
37 | { | |
38 | puts ("second call to cleanup"); | |
39 | exit (1); | |
40 | } | |
41 | ||
42 | printf ("cleanup call #%d\n", ncall); | |
43 | } | |
44 | ||
45 | ||
46 | static void * | |
47 | tf (void *arg) | |
48 | { | |
49 | pthread_cleanup_push (cleanup, NULL); | |
50 | ||
51 | int e = pthread_barrier_wait (&bar); | |
52 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
53 | { | |
54 | puts ("tf: 1st barrier_wait failed"); | |
55 | exit (1); | |
56 | } | |
57 | ||
58 | /* This call should block and be cancelable. */ | |
59 | char buf[20]; | |
60 | read (fd[0], buf, sizeof (buf)); | |
61 | ||
62 | pthread_cleanup_pop (0); | |
63 | ||
64 | return NULL; | |
65 | } | |
66 | ||
67 | ||
68 | static int | |
69 | do_test (void) | |
70 | { | |
71 | pthread_t th; | |
72 | ||
73 | if (pthread_barrier_init (&bar, NULL, 2) != 0) | |
74 | { | |
75 | puts ("barrier_init failed"); | |
76 | exit (1); | |
77 | } | |
78 | ||
79 | if (pipe (fd) != 0) | |
80 | { | |
81 | puts ("pipe failed"); | |
82 | exit (1); | |
83 | } | |
84 | ||
85 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
86 | { | |
87 | puts ("create failed"); | |
88 | exit (1); | |
89 | } | |
90 | ||
91 | int e = pthread_barrier_wait (&bar); | |
92 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
93 | { | |
94 | puts ("1st barrier_wait failed"); | |
95 | exit (1); | |
96 | } | |
97 | ||
98 | if (pthread_cancel (th) != 0) | |
99 | { | |
100 | puts ("1st cancel failed"); | |
101 | exit (1); | |
102 | } | |
103 | ||
104 | void *r; | |
105 | if (pthread_join (th, &r) != 0) | |
106 | { | |
107 | puts ("join failed"); | |
108 | exit (1); | |
109 | } | |
110 | ||
111 | if (r != PTHREAD_CANCELED) | |
112 | { | |
113 | puts ("thread not canceled"); | |
114 | exit (1); | |
115 | } | |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
120 | ||
121 | #define TEST_FUNCTION do_test () | |
122 | #include "../test-skeleton.c" |