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1/* Copyright (C) 2003-2019 Free Software Foundation, Inc.
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
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <pthread.h>
21#include <stdio.h>
22#include <time.h>
23#include <unistd.h>
24
25
26#if defined _POSIX_CLOCK_SELECTION && _POSIX_CLOCK_SELECTION >= 0
27static int
28run_test (clockid_t cl)
29{
30 pthread_condattr_t condattr;
31 pthread_cond_t cond;
32 pthread_mutexattr_t mutattr;
33 pthread_mutex_t mut;
34
35 printf ("clock = %d\n", (int) cl);
36
37 if (pthread_condattr_init (&condattr) != 0)
38 {
39 puts ("condattr_init failed");
40 return 1;
41 }
42
43 if (pthread_condattr_setclock (&condattr, cl) != 0)
44 {
45 puts ("condattr_setclock failed");
46 return 1;
47 }
48
49 clockid_t cl2;
50 if (pthread_condattr_getclock (&condattr, &cl2) != 0)
51 {
52 puts ("condattr_getclock failed");
53 return 1;
54 }
55 if (cl != cl2)
56 {
57 printf ("condattr_getclock returned wrong value: %d, expected %d\n",
58 (int) cl2, (int) cl);
59 return 1;
60 }
61
62 if (pthread_cond_init (&cond, &condattr) != 0)
63 {
64 puts ("cond_init failed");
65 return 1;
66 }
67
68 if (pthread_condattr_destroy (&condattr) != 0)
69 {
70 puts ("condattr_destroy failed");
71 return 1;
72 }
73
74 if (pthread_mutexattr_init (&mutattr) != 0)
75 {
76 puts ("mutexattr_init failed");
77 return 1;
78 }
79
80 if (pthread_mutexattr_settype (&mutattr, PTHREAD_MUTEX_ERRORCHECK) != 0)
81 {
82 puts ("mutexattr_settype failed");
83 return 1;
84 }
85
86 if (pthread_mutex_init (&mut, &mutattr) != 0)
87 {
88 puts ("mutex_init failed");
89 return 1;
90 }
91
92 if (pthread_mutexattr_destroy (&mutattr) != 0)
93 {
94 puts ("mutexattr_destroy failed");
95 return 1;
96 }
97
98 if (pthread_mutex_lock (&mut) != 0)
99 {
100 puts ("mutex_lock failed");
101 return 1;
102 }
103
104 if (pthread_mutex_lock (&mut) != EDEADLK)
105 {
106 puts ("2nd mutex_lock did not return EDEADLK");
107 return 1;
108 }
109
110 struct timespec ts;
111 if (clock_gettime (cl, &ts) != 0)
112 {
113 puts ("clock_gettime failed");
114 return 1;
115 }
116
117 /* Wait one second. */
118 ++ts.tv_sec;
119
120 int e = pthread_cond_timedwait (&cond, &mut, &ts);
121 if (e == 0)
122 {
123 puts ("cond_timedwait succeeded");
124 return 1;
125 }
126 else if (e != ETIMEDOUT)
127 {
128 puts ("cond_timedwait did not return ETIMEDOUT");
129 return 1;
130 }
131
132 struct timespec ts2;
133 if (clock_gettime (cl, &ts2) != 0)
134 {
135 puts ("second clock_gettime failed");
136 return 1;
137 }
138
139 if (ts2.tv_sec < ts.tv_sec
140 || (ts2.tv_sec == ts.tv_sec && ts2.tv_nsec < ts.tv_nsec))
141 {
142 puts ("timeout too short");
143 return 1;
144 }
145
146 if (pthread_mutex_unlock (&mut) != 0)
147 {
148 puts ("mutex_unlock failed");
149 return 1;
150 }
151
152 if (pthread_mutex_destroy (&mut) != 0)
153 {
154 puts ("mutex_destroy failed");
155 return 1;
156 }
157
158 if (pthread_cond_destroy (&cond) != 0)
159 {
160 puts ("cond_destroy failed");
161 return 1;
162 }
163
164 return 0;
165}
166#endif
167
168
169static int
170do_test (void)
171{
172#if !defined _POSIX_CLOCK_SELECTION || _POSIX_CLOCK_SELECTION == -1
173
174 puts ("_POSIX_CLOCK_SELECTION not supported, test skipped");
175 return 0;
176
177#else
178
179 int res = run_test (CLOCK_REALTIME);
180
181# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
182# if _POSIX_MONOTONIC_CLOCK == 0
183 int e = sysconf (_SC_MONOTONIC_CLOCK);
184 if (e < 0)
185 puts ("CLOCK_MONOTONIC not supported");
186 else if (e == 0)
187 {
188 puts ("sysconf (_SC_MONOTONIC_CLOCK) must not return 0");
189 res = 1;
190 }
191 else
192# endif
193 res |= run_test (CLOCK_MONOTONIC);
194# else
195 puts ("_POSIX_MONOTONIC_CLOCK not defined");
196# endif
197
198 return res;
199#endif
200}
201
202#define TEST_FUNCTION do_test ()
203#include "../test-skeleton.c"
204

Warning: That file was not part of the compilation database. It may have many parsing errors.