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b168057a | 1 | /* Copyright (C) 2003-2015 Free Software Foundation, Inc. |
7726edc2 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/>. */ | |
7726edc2 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <semaphore.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <unistd.h> | |
26 | ||
27 | ||
28 | static pthread_barrier_t bar; | |
29 | static sem_t sem; | |
30 | ||
31 | ||
32 | static void | |
33 | cleanup (void *arg) | |
34 | { | |
35 | static int ncall; | |
36 | ||
37 | if (++ncall != 1) | |
38 | { | |
39 | puts ("second call to cleanup"); | |
40 | exit (1); | |
41 | } | |
42 | ||
43 | printf ("cleanup call #%d\n", ncall); | |
44 | } | |
45 | ||
46 | ||
47 | static void * | |
48 | tf (void *arg) | |
49 | { | |
50 | pthread_cleanup_push (cleanup, NULL); | |
51 | ||
52 | int e = pthread_barrier_wait (&bar); | |
53 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
54 | { | |
55 | puts ("tf: 1st barrier_wait failed"); | |
56 | exit (1); | |
57 | } | |
58 | ||
59 | /* This call should block and be cancelable. */ | |
60 | sem_wait (&sem); | |
61 | ||
62 | pthread_cleanup_pop (0); | |
63 | ||
64 | puts ("sem_wait returned"); | |
65 | ||
66 | return NULL; | |
67 | } | |
68 | ||
69 | ||
70 | static int | |
71 | do_test (void) | |
72 | { | |
73 | pthread_t th; | |
74 | ||
75 | if (pthread_barrier_init (&bar, NULL, 2) != 0) | |
76 | { | |
77 | puts ("barrier_init failed"); | |
78 | exit (1); | |
79 | } | |
80 | ||
81 | if (sem_init (&sem, 0, 1) != 0) | |
82 | { | |
83 | puts ("sem_init failed"); | |
84 | exit (1); | |
85 | } | |
86 | ||
87 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
88 | { | |
89 | puts ("create failed"); | |
90 | exit (1); | |
91 | } | |
92 | ||
93 | /* Check whether cancellation is honored even before sem_wait does | |
94 | anything. */ | |
95 | if (pthread_cancel (th) != 0) | |
96 | { | |
97 | puts ("1st cancel failed"); | |
98 | exit (1); | |
99 | } | |
100 | ||
101 | int e = pthread_barrier_wait (&bar); | |
102 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
103 | { | |
104 | puts ("1st barrier_wait failed"); | |
105 | exit (1); | |
106 | } | |
107 | ||
108 | void *r; | |
109 | if (pthread_join (th, &r) != 0) | |
110 | { | |
111 | puts ("join failed"); | |
112 | exit (1); | |
113 | } | |
114 | ||
115 | if (r != PTHREAD_CANCELED) | |
116 | { | |
117 | puts ("thread not canceled"); | |
118 | exit (1); | |
119 | } | |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
124 | ||
125 | #define TEST_FUNCTION do_test () | |
126 | #include "../test-skeleton.c" |