Commit | Line | Data |
---|---|---|
5a52c9b4 SL |
1 | #ifndef _LIBLOCKDEP_RWLOCK_H |
2 | #define _LIBLOCKDEP_RWLOCK_H | |
3 | ||
4 | #include <pthread.h> | |
5 | #include "common.h" | |
6 | ||
7 | struct liblockdep_pthread_rwlock { | |
8 | pthread_rwlock_t rwlock; | |
9 | struct lockdep_map dep_map; | |
10 | }; | |
11 | ||
12 | typedef struct liblockdep_pthread_rwlock liblockdep_pthread_rwlock_t; | |
13 | ||
14 | #define LIBLOCKDEP_PTHREAD_RWLOCK_INITIALIZER(rwl) \ | |
15 | (struct liblockdep_pthread_rwlock) { \ | |
16 | .rwlock = PTHREAD_RWLOCK_INITIALIZER, \ | |
17 | .dep_map = STATIC_LOCKDEP_MAP_INIT(#rwl, &((&(rwl))->dep_map)), \ | |
18 | } | |
19 | ||
20 | static inline int __rwlock_init(liblockdep_pthread_rwlock_t *lock, | |
21 | const char *name, | |
22 | struct lock_class_key *key, | |
23 | const pthread_rwlockattr_t *attr) | |
24 | { | |
25 | lockdep_init_map(&lock->dep_map, name, key, 0); | |
26 | ||
27 | return pthread_rwlock_init(&lock->rwlock, attr); | |
28 | } | |
29 | ||
30 | #define liblockdep_pthread_rwlock_init(lock, attr) \ | |
31 | ({ \ | |
32 | static struct lock_class_key __key; \ | |
33 | \ | |
34 | __rwlock_init((lock), #lock, &__key, (attr)); \ | |
35 | }) | |
36 | ||
37 | static inline int liblockdep_pthread_rwlock_rdlock(liblockdep_pthread_rwlock_t *lock) | |
38 | { | |
b1082781 | 39 | lock_acquire(&lock->dep_map, 0, 0, 2, 1, NULL, (unsigned long)_RET_IP_); |
5a52c9b4 SL |
40 | return pthread_rwlock_rdlock(&lock->rwlock); |
41 | ||
42 | } | |
43 | ||
44 | static inline int liblockdep_pthread_rwlock_unlock(liblockdep_pthread_rwlock_t *lock) | |
45 | { | |
46 | lock_release(&lock->dep_map, 0, (unsigned long)_RET_IP_); | |
47 | return pthread_rwlock_unlock(&lock->rwlock); | |
48 | } | |
49 | ||
50 | static inline int liblockdep_pthread_rwlock_wrlock(liblockdep_pthread_rwlock_t *lock) | |
51 | { | |
b1082781 | 52 | lock_acquire(&lock->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_); |
5a52c9b4 SL |
53 | return pthread_rwlock_wrlock(&lock->rwlock); |
54 | } | |
55 | ||
56 | static inline int liblockdep_pthread_rwlock_tryrdlock(liblockdep_pthread_rwlock_t *lock) | |
57 | { | |
b1082781 | 58 | lock_acquire(&lock->dep_map, 0, 1, 2, 1, NULL, (unsigned long)_RET_IP_); |
5a52c9b4 SL |
59 | return pthread_rwlock_tryrdlock(&lock->rwlock) == 0 ? 1 : 0; |
60 | } | |
61 | ||
62 | static inline int liblockdep_pthread_rwlock_trywlock(liblockdep_pthread_rwlock_t *lock) | |
63 | { | |
b1082781 | 64 | lock_acquire(&lock->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_); |
5a52c9b4 SL |
65 | return pthread_rwlock_trywlock(&lock->rwlock) == 0 ? 1 : 0; |
66 | } | |
67 | ||
68 | static inline int liblockdep_rwlock_destroy(liblockdep_pthread_rwlock_t *lock) | |
69 | { | |
70 | return pthread_rwlock_destroy(&lock->rwlock); | |
71 | } | |
72 | ||
73 | #ifdef __USE_LIBLOCKDEP | |
74 | ||
75 | #define pthread_rwlock_t liblockdep_pthread_rwlock_t | |
76 | #define pthread_rwlock_init liblockdep_pthread_rwlock_init | |
77 | #define pthread_rwlock_rdlock liblockdep_pthread_rwlock_rdlock | |
78 | #define pthread_rwlock_unlock liblockdep_pthread_rwlock_unlock | |
79 | #define pthread_rwlock_wrlock liblockdep_pthread_rwlock_wrlock | |
80 | #define pthread_rwlock_tryrdlock liblockdep_pthread_rwlock_tryrdlock | |
81 | #define pthread_rwlock_trywlock liblockdep_pthread_rwlock_trywlock | |
82 | #define pthread_rwlock_destroy liblockdep_rwlock_destroy | |
83 | ||
84 | #endif | |
85 | ||
86 | #endif |