1
2#ifndef _LIBLOCKDEP_RWLOCK_H
3#define _LIBLOCKDEP_RWLOCK_H
4
5#include <pthread.h>
6#include "common.h"
7
8struct liblockdep_pthread_rwlock {
9 pthread_rwlock_t rwlock;
10 struct lockdep_map dep_map;
11};
12
13typedef struct liblockdep_pthread_rwlock liblockdep_pthread_rwlock_t;
14
15#define LIBLOCKDEP_PTHREAD_RWLOCK_INITIALIZER(rwl) \
16 (struct liblockdep_pthread_rwlock) { \
17 .rwlock = PTHREAD_RWLOCK_INITIALIZER, \
18 .dep_map = STATIC_LOCKDEP_MAP_INIT(#rwl, &((&(rwl))->dep_map)), \
19}
20
21static inline int __rwlock_init(liblockdep_pthread_rwlock_t *lock,
22 const char *name,
23 struct lock_class_key *key,
24 const pthread_rwlockattr_t *attr)
25{
26 lockdep_init_map(&lock->dep_map, name, key, 0);
27
28 return pthread_rwlock_init(&lock->rwlock, attr);
29}
30
31#define liblockdep_pthread_rwlock_init(lock, attr) \
32({ \
33 static struct lock_class_key __key; \
34 \
35 __rwlock_init((lock), #lock, &__key, (attr)); \
36})
37
38static inline int liblockdep_pthread_rwlock_rdlock(liblockdep_pthread_rwlock_t *lock)
39{
40 lock_acquire(&lock->dep_map, 0, 0, 2, 1, NULL, (unsigned long)_RET_IP_);
41 return pthread_rwlock_rdlock(&lock->rwlock);
42
43}
44
45static inline int liblockdep_pthread_rwlock_unlock(liblockdep_pthread_rwlock_t *lock)
46{
47 lock_release(&lock->dep_map, (unsigned long)_RET_IP_);
48 return pthread_rwlock_unlock(&lock->rwlock);
49}
50
51static inline int liblockdep_pthread_rwlock_wrlock(liblockdep_pthread_rwlock_t *lock)
52{
53 lock_acquire(&lock->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_);
54 return pthread_rwlock_wrlock(&lock->rwlock);
55}
56
57static inline int liblockdep_pthread_rwlock_tryrdlock(liblockdep_pthread_rwlock_t *lock)
58{
59 lock_acquire(&lock->dep_map, 0, 1, 2, 1, NULL, (unsigned long)_RET_IP_);
60 return pthread_rwlock_tryrdlock(&lock->rwlock) == 0 ? 1 : 0;
61}
62
63static inline int liblockdep_pthread_rwlock_trywrlock(liblockdep_pthread_rwlock_t *lock)
64{
65 lock_acquire(&lock->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_);
66 return pthread_rwlock_trywrlock(&lock->rwlock) == 0 ? 1 : 0;
67}
68
69static inline int liblockdep_rwlock_destroy(liblockdep_pthread_rwlock_t *lock)
70{
71 return pthread_rwlock_destroy(&lock->rwlock);
72}
73
74#ifdef __USE_LIBLOCKDEP
75
76#define pthread_rwlock_t liblockdep_pthread_rwlock_t
77#define pthread_rwlock_init liblockdep_pthread_rwlock_init
78#define pthread_rwlock_rdlock liblockdep_pthread_rwlock_rdlock
79#define pthread_rwlock_unlock liblockdep_pthread_rwlock_unlock
80#define pthread_rwlock_wrlock liblockdep_pthread_rwlock_wrlock
81#define pthread_rwlock_tryrdlock liblockdep_pthread_rwlock_tryrdlock
82#define pthread_rwlock_trywrlock liblockdep_pthread_rwlock_trywrlock
83#define pthread_rwlock_destroy liblockdep_rwlock_destroy
84
85#endif
86
87#endif
88
