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d4697bc9 | 1 | /* Copyright (C) 2002-2014 Free Software Foundation, Inc. |
76a50749 UD |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
76a50749 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <time.h> | |
23 | #include <unistd.h> | |
24 | #include <sys/time.h> | |
68cc2935 | 25 | #include <config.h> |
76a50749 UD |
26 | |
27 | ||
2c0b891a UD |
28 | #ifndef TYPE |
29 | # define TYPE PTHREAD_MUTEX_NORMAL | |
30 | #endif | |
31 | ||
32 | ||
76a50749 UD |
33 | static int |
34 | do_test (void) | |
35 | { | |
36 | pthread_mutex_t m; | |
37 | struct timespec ts; | |
38 | struct timeval tv; | |
39 | struct timeval tv2; | |
40 | int err; | |
2c0b891a UD |
41 | pthread_mutexattr_t a; |
42 | ||
43 | if (pthread_mutexattr_init (&a) != 0) | |
44 | { | |
45 | puts ("mutexattr_init failed"); | |
46 | return 1; | |
47 | } | |
48 | ||
49 | if (pthread_mutexattr_settype (&a, TYPE) != 0) | |
50 | { | |
51 | puts ("mutexattr_settype failed"); | |
52 | return 1; | |
53 | } | |
76a50749 | 54 | |
df47504c UD |
55 | #ifdef ENABLE_PI |
56 | if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0) | |
76a50749 | 57 | { |
df47504c UD |
58 | puts ("pthread_mutexattr_setprotocol failed"); |
59 | return 1; | |
60 | } | |
61 | #endif | |
62 | ||
63 | err = pthread_mutex_init (&m, &a); | |
64 | if (err != 0) | |
65 | { | |
66 | #ifdef ENABLE_PI | |
67 | if (err == ENOTSUP) | |
68 | { | |
69 | puts ("PI mutexes unsupported"); | |
70 | return 0; | |
71 | } | |
72 | #endif | |
76a50749 UD |
73 | puts ("mutex_init failed"); |
74 | return 1; | |
75 | } | |
76 | ||
2c0b891a UD |
77 | if (pthread_mutexattr_destroy (&a) != 0) |
78 | { | |
79 | puts ("mutexattr_destroy failed"); | |
80 | return 1; | |
81 | } | |
82 | ||
76a50749 UD |
83 | if (pthread_mutex_lock (&m) != 0) |
84 | { | |
85 | puts ("mutex_lock failed"); | |
86 | return 1; | |
87 | } | |
88 | ||
89 | if (pthread_mutex_trylock (&m) == 0) | |
90 | { | |
91 | puts ("mutex_trylock succeeded"); | |
92 | return 1; | |
93 | } | |
94 | ||
95 | gettimeofday (&tv, NULL); | |
96 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
97 | ||
98 | ts.tv_sec += 2; /* Wait 2 seconds. */ | |
99 | ||
100 | err = pthread_mutex_timedlock (&m, &ts); | |
101 | if (err == 0) | |
102 | { | |
1c82b97f | 103 | puts ("timedlock succeeded"); |
76a50749 UD |
104 | return 1; |
105 | } | |
106 | else if (err != ETIMEDOUT) | |
107 | { | |
1c82b97f | 108 | printf ("timedlock error != ETIMEDOUT: %d\n", err); |
76a50749 UD |
109 | return 1; |
110 | } | |
111 | else | |
112 | { | |
113 | int clk_tck = sysconf (_SC_CLK_TCK); | |
114 | ||
115 | gettimeofday (&tv2, NULL); | |
116 | ||
117 | tv2.tv_sec -= tv.tv_sec; | |
118 | tv2.tv_usec -= tv.tv_usec; | |
119 | if (tv2.tv_usec < 0) | |
120 | { | |
121 | tv2.tv_usec += 1000000; | |
122 | tv2.tv_sec -= 1; | |
123 | } | |
124 | ||
125 | /* Be a bit tolerant, add one CLK_TCK. */ | |
126 | tv2.tv_usec += 1000000 / clk_tck; | |
127 | if (tv2.tv_usec >= 1000000) | |
128 | { | |
129 | tv2.tv_usec -= 1000000; | |
130 | ++tv2.tv_sec; | |
131 | } | |
132 | ||
133 | if (tv2.tv_sec < 2) | |
134 | { | |
135 | printf ("premature timeout: %ld.%06ld difference\n", | |
136 | tv2.tv_sec, tv2.tv_usec); | |
137 | return 1; | |
138 | } | |
139 | } | |
140 | ||
1c82b97f UD |
141 | (void) gettimeofday (&tv, NULL); |
142 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
143 | ||
144 | ts.tv_sec += 2; /* Wait 2 seconds. */ | |
145 | /* The following makes the ts value invalid. */ | |
146 | ts.tv_nsec += 1000000000; | |
147 | ||
148 | err = pthread_mutex_timedlock (&m, &ts); | |
149 | if (err == 0) | |
150 | { | |
151 | puts ("2nd timedlock succeeded"); | |
152 | return 1; | |
153 | } | |
154 | else if (err != EINVAL) | |
155 | { | |
156 | printf ("2nd timedlock error != EINVAL: %d\n", err); | |
157 | return 1; | |
158 | } | |
159 | ||
76a50749 UD |
160 | if (pthread_mutex_unlock (&m) != 0) |
161 | { | |
162 | puts ("mutex_unlock failed"); | |
163 | return 1; | |
164 | } | |
165 | ||
1c82b97f UD |
166 | (void) gettimeofday (&tv, NULL); |
167 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
168 | ||
169 | ts.tv_sec += 2; /* Wait 2 seconds. */ | |
170 | if (pthread_mutex_timedlock (&m, &ts) != 0) | |
171 | { | |
172 | puts ("3rd timedlock failed"); | |
173 | } | |
174 | ||
175 | (void) gettimeofday (&tv2, NULL); | |
176 | ||
177 | /* Check that timedlock didn't delay. We use a limit of 0.1 secs. */ | |
178 | timersub (&tv2, &tv, &tv2); | |
179 | if (tv2.tv_sec > 0 || tv2.tv_usec > 100000) | |
180 | { | |
181 | puts ("3rd timedlock didn't return right away"); | |
2c5567a0 | 182 | return 1; |
1c82b97f UD |
183 | } |
184 | ||
85047fe3 RM |
185 | if (pthread_mutex_unlock (&m) != 0) |
186 | { | |
187 | puts ("final mutex_unlock failed"); | |
188 | return 1; | |
189 | } | |
190 | ||
76a50749 UD |
191 | if (pthread_mutex_destroy (&m) != 0) |
192 | { | |
193 | puts ("mutex_destroy failed"); | |
194 | return 1; | |
195 | } | |
196 | ||
197 | return 0; | |
198 | } | |
199 | ||
200 | #define TIMEOUT 4 | |
201 | #define TEST_FUNCTION do_test () | |
202 | #include "../test-skeleton.c" |