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synch.h (214274) synch.h (225787)
1/*-
2 * Copyright (c) 2009-2010 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * This software was developed by Pawel Jakub Dawidek under sponsorship from
6 * the FreeBSD Foundation.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 12 unchanged lines hidden (view full) ---

21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
1/*-
2 * Copyright (c) 2009-2010 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * This software was developed by Pawel Jakub Dawidek under sponsorship from
6 * the FreeBSD Foundation.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 12 unchanged lines hidden (view full) ---

21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sbin/hastd/synch.h 214274 2010-10-24 15:41:23Z pjd $
29 * $FreeBSD: head/sbin/hastd/synch.h 225787 2011-09-27 08:50:37Z pjd $
30 */
31
32#ifndef _SYNCH_H_
33#define _SYNCH_H_
34
30 */
31
32#ifndef _SYNCH_H_
33#define _SYNCH_H_
34
35#include <assert.h>
36#include <errno.h>
37#include <pthread.h>
38#include <pthread_np.h>
39#include <stdbool.h>
40#include <time.h>
41
35#include <errno.h>
36#include <pthread.h>
37#include <pthread_np.h>
38#include <stdbool.h>
39#include <time.h>
40
41#include <pjdlog.h>
42
43#ifndef PJDLOG_ASSERT
44#include <assert.h>
45#define PJDLOG_ASSERT(...) assert(__VA_ARGS__)
46#endif
47
42static __inline void
43mtx_init(pthread_mutex_t *lock)
44{
45 int error;
46
47 error = pthread_mutex_init(lock, NULL);
48static __inline void
49mtx_init(pthread_mutex_t *lock)
50{
51 int error;
52
53 error = pthread_mutex_init(lock, NULL);
48 assert(error == 0);
54 PJDLOG_ASSERT(error == 0);
49}
50static __inline void
51mtx_destroy(pthread_mutex_t *lock)
52{
53 int error;
54
55 error = pthread_mutex_destroy(lock);
55}
56static __inline void
57mtx_destroy(pthread_mutex_t *lock)
58{
59 int error;
60
61 error = pthread_mutex_destroy(lock);
56 assert(error == 0);
62 PJDLOG_ASSERT(error == 0);
57}
58static __inline void
59mtx_lock(pthread_mutex_t *lock)
60{
61 int error;
62
63 error = pthread_mutex_lock(lock);
63}
64static __inline void
65mtx_lock(pthread_mutex_t *lock)
66{
67 int error;
68
69 error = pthread_mutex_lock(lock);
64 assert(error == 0);
70 PJDLOG_ASSERT(error == 0);
65}
66static __inline bool
67mtx_trylock(pthread_mutex_t *lock)
68{
69 int error;
70
71 error = pthread_mutex_trylock(lock);
71}
72static __inline bool
73mtx_trylock(pthread_mutex_t *lock)
74{
75 int error;
76
77 error = pthread_mutex_trylock(lock);
72 assert(error == 0 || error == EBUSY);
78 PJDLOG_ASSERT(error == 0 || error == EBUSY);
73 return (error == 0);
74}
75static __inline void
76mtx_unlock(pthread_mutex_t *lock)
77{
78 int error;
79
80 error = pthread_mutex_unlock(lock);
79 return (error == 0);
80}
81static __inline void
82mtx_unlock(pthread_mutex_t *lock)
83{
84 int error;
85
86 error = pthread_mutex_unlock(lock);
81 assert(error == 0);
87 PJDLOG_ASSERT(error == 0);
82}
83static __inline bool
84mtx_owned(pthread_mutex_t *lock)
85{
86
87 return (pthread_mutex_isowned_np(lock) != 0);
88}
89
90static __inline void
91rw_init(pthread_rwlock_t *lock)
92{
93 int error;
94
95 error = pthread_rwlock_init(lock, NULL);
88}
89static __inline bool
90mtx_owned(pthread_mutex_t *lock)
91{
92
93 return (pthread_mutex_isowned_np(lock) != 0);
94}
95
96static __inline void
97rw_init(pthread_rwlock_t *lock)
98{
99 int error;
100
101 error = pthread_rwlock_init(lock, NULL);
96 assert(error == 0);
102 PJDLOG_ASSERT(error == 0);
97}
98static __inline void
99rw_destroy(pthread_rwlock_t *lock)
100{
101 int error;
102
103 error = pthread_rwlock_destroy(lock);
103}
104static __inline void
105rw_destroy(pthread_rwlock_t *lock)
106{
107 int error;
108
109 error = pthread_rwlock_destroy(lock);
104 assert(error == 0);
110 PJDLOG_ASSERT(error == 0);
105}
106static __inline void
107rw_rlock(pthread_rwlock_t *lock)
108{
109 int error;
110
111 error = pthread_rwlock_rdlock(lock);
111}
112static __inline void
113rw_rlock(pthread_rwlock_t *lock)
114{
115 int error;
116
117 error = pthread_rwlock_rdlock(lock);
112 assert(error == 0);
118 PJDLOG_ASSERT(error == 0);
113}
114static __inline void
115rw_wlock(pthread_rwlock_t *lock)
116{
117 int error;
118
119 error = pthread_rwlock_wrlock(lock);
119}
120static __inline void
121rw_wlock(pthread_rwlock_t *lock)
122{
123 int error;
124
125 error = pthread_rwlock_wrlock(lock);
120 assert(error == 0);
126 PJDLOG_ASSERT(error == 0);
121}
122static __inline void
123rw_unlock(pthread_rwlock_t *lock)
124{
125 int error;
126
127 error = pthread_rwlock_unlock(lock);
127}
128static __inline void
129rw_unlock(pthread_rwlock_t *lock)
130{
131 int error;
132
133 error = pthread_rwlock_unlock(lock);
128 assert(error == 0);
134 PJDLOG_ASSERT(error == 0);
129}
130
131static __inline void
132cv_init(pthread_cond_t *cv)
133{
134 pthread_condattr_t attr;
135 int error;
136
137 error = pthread_condattr_init(&attr);
135}
136
137static __inline void
138cv_init(pthread_cond_t *cv)
139{
140 pthread_condattr_t attr;
141 int error;
142
143 error = pthread_condattr_init(&attr);
138 assert(error == 0);
144 PJDLOG_ASSERT(error == 0);
139 error = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
145 error = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
140 assert(error == 0);
146 PJDLOG_ASSERT(error == 0);
141 error = pthread_cond_init(cv, &attr);
147 error = pthread_cond_init(cv, &attr);
142 assert(error == 0);
148 PJDLOG_ASSERT(error == 0);
143 error = pthread_condattr_destroy(&attr);
149 error = pthread_condattr_destroy(&attr);
144 assert(error == 0);
150 PJDLOG_ASSERT(error == 0);
145}
146static __inline void
147cv_wait(pthread_cond_t *cv, pthread_mutex_t *lock)
148{
149 int error;
150
151 error = pthread_cond_wait(cv, lock);
151}
152static __inline void
153cv_wait(pthread_cond_t *cv, pthread_mutex_t *lock)
154{
155 int error;
156
157 error = pthread_cond_wait(cv, lock);
152 assert(error == 0);
158 PJDLOG_ASSERT(error == 0);
153}
154static __inline bool
155cv_timedwait(pthread_cond_t *cv, pthread_mutex_t *lock, int timeout)
156{
157 struct timespec ts;
158 int error;
159
160 if (timeout == 0) {
161 cv_wait(cv, lock);
162 return (false);
163 }
164
165 error = clock_gettime(CLOCK_MONOTONIC, &ts);
159}
160static __inline bool
161cv_timedwait(pthread_cond_t *cv, pthread_mutex_t *lock, int timeout)
162{
163 struct timespec ts;
164 int error;
165
166 if (timeout == 0) {
167 cv_wait(cv, lock);
168 return (false);
169 }
170
171 error = clock_gettime(CLOCK_MONOTONIC, &ts);
166 assert(error == 0);
172 PJDLOG_ASSERT(error == 0);
167 ts.tv_sec += timeout;
168 error = pthread_cond_timedwait(cv, lock, &ts);
173 ts.tv_sec += timeout;
174 error = pthread_cond_timedwait(cv, lock, &ts);
169 assert(error == 0 || error == ETIMEDOUT);
175 PJDLOG_ASSERT(error == 0 || error == ETIMEDOUT);
170 return (error == ETIMEDOUT);
171}
172static __inline void
173cv_signal(pthread_cond_t *cv)
174{
175 int error;
176
177 error = pthread_cond_signal(cv);
176 return (error == ETIMEDOUT);
177}
178static __inline void
179cv_signal(pthread_cond_t *cv)
180{
181 int error;
182
183 error = pthread_cond_signal(cv);
178 assert(error == 0);
184 PJDLOG_ASSERT(error == 0);
179}
180static __inline void
181cv_broadcast(pthread_cond_t *cv)
182{
183 int error;
184
185 error = pthread_cond_broadcast(cv);
185}
186static __inline void
187cv_broadcast(pthread_cond_t *cv)
188{
189 int error;
190
191 error = pthread_cond_broadcast(cv);
186 assert(error == 0);
192 PJDLOG_ASSERT(error == 0);
187}
188#endif /* !_SYNCH_H_ */
193}
194#endif /* !_SYNCH_H_ */