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b168057a | 1 | /* Copyright (C) 2003-2015 Free Software Foundation, Inc. |
1564916a 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/>. */ | |
1564916a UD |
18 | |
19 | #include <fcntl.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 b; | |
28 | ||
29 | ||
30 | static void | |
31 | cleanup (void *arg) | |
32 | { | |
dd0b7b19 | 33 | fputs ("in cleanup\n", stdout); |
1564916a UD |
34 | } |
35 | ||
36 | ||
37 | static void * | |
38 | tf (void *arg) | |
39 | { | |
40 | int fd = open ("/dev/null", O_RDWR); | |
41 | if (fd == -1) | |
42 | { | |
43 | puts ("cannot open /dev/null"); | |
44 | exit (1); | |
45 | } | |
46 | FILE *fp = fdopen (fd, "w"); | |
47 | if (fp == NULL) | |
48 | { | |
49 | puts ("fdopen failed"); | |
50 | exit (1); | |
51 | } | |
52 | ||
53 | pthread_cleanup_push (cleanup, NULL); | |
54 | ||
55 | int e = pthread_barrier_wait (&b); | |
56 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
57 | { | |
58 | puts ("barrier_wait failed"); | |
59 | exit (1); | |
60 | } | |
61 | ||
62 | while (1) | |
63 | /* fprintf() uses write() which is a cancallation point. */ | |
64 | fprintf (fp, "foo"); | |
65 | ||
66 | pthread_cleanup_pop (0); | |
67 | ||
68 | return NULL; | |
69 | } | |
70 | ||
71 | ||
72 | static int | |
73 | do_test (void) | |
74 | { | |
75 | if (pthread_barrier_init (&b, NULL, 2) != 0) | |
76 | { | |
77 | puts ("barrier_init failed"); | |
78 | exit (1); | |
79 | } | |
80 | ||
81 | pthread_t th; | |
82 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
83 | { | |
84 | puts ("create failed"); | |
85 | return 1; | |
86 | } | |
87 | ||
88 | int e = pthread_barrier_wait (&b); | |
89 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
90 | { | |
91 | puts ("barrier_wait failed"); | |
92 | exit (1); | |
93 | } | |
94 | ||
95 | sleep (1); | |
96 | ||
97 | puts ("cancel now"); | |
98 | ||
99 | if (pthread_cancel (th) != 0) | |
100 | { | |
101 | puts ("cancel failed"); | |
102 | exit (1); | |
103 | } | |
104 | ||
105 | puts ("waiting for the child"); | |
106 | ||
107 | void *r; | |
108 | if (pthread_join (th, &r) != 0) | |
109 | { | |
110 | puts ("join failed"); | |
111 | exit (1); | |
112 | } | |
113 | ||
114 | if (r != PTHREAD_CANCELED) | |
115 | { | |
116 | puts ("thread wasn't canceled"); | |
117 | exit (1); | |
118 | } | |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
123 | ||
124 | #define TEST_FUNCTION do_test () | |
125 | #include "../test-skeleton.c" |