projects / apple / hfs.git / blame
| Commit | Line | Data |
|---|---|---|
| de8ee011 A |
1 | /* Copyright © 2017-2018 Apple Inc. All rights reserved. |
| 2 | * | |
| 3 | * lf_hfs_locks.h | |
| 4 | * livefiles_hfs | |
| 5 | * | |
| 6 | * Created by Or Haimovich on 18/3/18. | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef lf_hfs_locks_h | |
| 10 | #define lf_hfs_locks_h | |
| 11 | ||
| 12 | #include <stdio.h> | |
| 13 | #include <stdint.h> | |
| 14 | #include <stdbool.h> | |
| 15 | #include <pthread.h> | |
| 16 | ||
| 17 | typedef enum | |
| 18 | { | |
| 19 | LCK_RW_TYPE_SHARED, | |
| 20 | LCK_RW_TYPE_EXCLUSIVE | |
| 21 | ||
| 22 | } lck_rwlock_type_e; | |
| 23 | ||
| 24 | typedef uint8_t lck_attr_t; | |
| 25 | typedef uint8_t lck_grp_attr_t; | |
| 26 | typedef uint8_t lck_grp_t; | |
| 27 | ||
| 28 | // Read/Write locks. | |
| 29 | void lf_lck_rw_init ( pthread_rwlock_t* lck ); | |
| 30 | void lf_lck_rw_destroy ( pthread_rwlock_t* lck ); | |
| 31 | void lf_lck_rw_unlock_shared ( pthread_rwlock_t* lck ); | |
| 32 | void lf_lck_rw_lock_shared ( pthread_rwlock_t* lck ); | |
| 33 | void lf_lck_rw_lock_exclusive ( pthread_rwlock_t* lck ); | |
| 34 | void lf_lck_rw_unlock_exclusive ( pthread_rwlock_t* lck ); | |
| 35 | bool lf_lck_rw_try_lock ( pthread_rwlock_t* lck, lck_rwlock_type_e which ); | |
| 36 | void lf_lck_rw_lock_exclusive_to_shared ( pthread_rwlock_t* lck); | |
| 37 | bool lf_lck_rw_lock_shared_to_exclusive ( pthread_rwlock_t* lck); | |
| 38 | ||
| 39 | // Mutex locks. | |
| 40 | void lf_lck_mtx_init ( pthread_mutex_t* lck ); | |
| 41 | void lf_lck_mtx_destroy ( pthread_mutex_t *lck ); | |
| 42 | void lf_lck_mtx_lock ( pthread_mutex_t* lck ); | |
| 43 | void lf_lck_mtx_unlock ( pthread_mutex_t* lck ); | |
| 44 | void lf_lck_mtx_lock_spin ( pthread_mutex_t *lck ); | |
| 45 | int lf_lck_mtx_try_lock ( pthread_mutex_t *lck ); | |
| 46 | void lf_lck_mtx_convert_spin ( pthread_mutex_t *lck ); | |
| 47 | ||
| 48 | //Cond | |
| 49 | void lf_cond_destroy( pthread_cond_t* cond ); | |
| 50 | void lf_cond_init( pthread_cond_t* cond ); | |
| 51 | int lf_cond_wait_relative(pthread_cond_t *pCond, pthread_mutex_t *pMutex, struct timespec *pTime); | |
| 52 | void lf_cond_wakeup(pthread_cond_t *pCond); | |
| 53 | ||
| 54 | // Spin locks. | |
| 55 | void lf_lck_spin_init ( pthread_mutex_t *lck ); | |
| 56 | void lf_lck_spin_destroy ( pthread_mutex_t *lck ); | |
| 57 | void lf_lck_spin_lock ( pthread_mutex_t *lck ); | |
| 58 | void lf_lck_spin_unlock ( pthread_mutex_t *lck ); | |
| 59 | ||
| 60 | // Init | |
| 61 | lck_attr_t *lf_lck_attr_alloc_init ( void ); | |
| 62 | lck_grp_attr_t *lf_lck_grp_attr_alloc_init ( void ); | |
| 63 | lck_grp_t *lf_lck_grp_alloc_init ( void ); | |
| 64 | ||
| 65 | #endif /* lf_hfs_locks_h */ |