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1 | /* Copyright (C) 2002 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
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 | |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | /* This test case checks more than standard compliance. An | |
21 | implementation may provide this service but it is not required to | |
22 | do so. */ | |
23 | ||
24 | #include <errno.h> | |
25 | #include <pthread.h> | |
26 | #include <stdio.h> | |
27 | ||
28 | ||
29 | static int | |
30 | do_test (void) | |
31 | { | |
32 | pthread_rwlock_t r; | |
33 | int e; | |
34 | ||
35 | if (pthread_rwlock_init (&r, NULL) != 0) | |
36 | { | |
37 | puts ("rwlock_init failed"); | |
38 | return 1; | |
39 | } | |
40 | puts ("rwlock_init succeeded"); | |
41 | ||
42 | if (pthread_rwlock_trywrlock (&r) != 0) | |
43 | { | |
44 | puts ("rwlock_trywrlock on unlocked rwlock failed"); | |
45 | return 1; | |
46 | } | |
47 | puts ("rwlock_trywrlock on unlocked rwlock succeeded"); | |
48 | ||
49 | e = pthread_rwlock_rdlock (&r); | |
50 | if (e == 0) | |
51 | { | |
52 | puts ("rwlock_rdlock on rwlock with writer succeeded"); | |
53 | return 1; | |
54 | } | |
55 | if (e != EDEADLK) | |
56 | { | |
57 | puts ("rwlock_rdlock on rwlock with writer failed != EDEADLK"); | |
58 | return 1; | |
59 | } | |
60 | puts ("rwlock_rdlock on rwlock with writer failed with EDEADLK"); | |
61 | ||
62 | e = pthread_rwlock_wrlock (&r); | |
63 | if (e == 0) | |
64 | { | |
65 | puts ("rwlock_wrlock on rwlock with writer succeeded"); | |
66 | return 1; | |
67 | } | |
68 | if (e != EDEADLK) | |
69 | { | |
70 | puts ("rwlock_wrlock on rwlock with writer failed != EDEADLK"); | |
71 | return 1; | |
72 | } | |
73 | puts ("rwlock_wrlock on rwlock with writer failed with EDEADLK"); | |
74 | ||
75 | if (pthread_rwlock_unlock (&r) != 0) | |
76 | { | |
77 | puts ("rwlock_unlock failed"); | |
78 | return 1; | |
79 | } | |
80 | puts ("rwlock_unlock succeeded"); | |
81 | ||
82 | if (pthread_rwlock_destroy (&r) != 0) | |
83 | { | |
84 | puts ("rwlock_destroy failed"); | |
85 | return 1; | |
86 | } | |
87 | puts ("rwlock_destroy succeeded"); | |
88 | ||
89 | return 0; | |
90 | } | |
91 | ||
92 | #define TEST_FUNCTION do_test () | |
93 | #include "../test-skeleton.c" |