| Line | Revision | Contents |
| 1 | 16 | #ifndef _FSPLIB_H_LOCK |
| 2 | #define _FSPLIB_H_LOCK 1 | |
| 3 | ||
| 4 | 15 | #ifndef FSP_NOLOCKING |
| 5 | /* define locking prefix if needed */ | |
| 6 | # ifndef FSP_KEY_PREFIX | |
| 7 | # define FSP_KEY_PREFIX "/tmp/.FSPL" | |
| 8 | # endif | |
| 9 | #endif | |
| 10 | ||
| 11 | #ifdef FSP_USE_SHAREMEM_AND_SEMOP | |
| 12 | ||
| 13 | typedef struct FSP_LOCK { | |
| 14 | unsigned int *share_key; | |
| 15 | int lock_shm; | |
| 16 | int lock_sem; | |
| 17 | char key_string[sizeof(FSP_KEY_PREFIX)+32]; | |
| 18 | } FSP_LOCK; | |
| 19 | ||
| 20 | #elif defined(FSP_NOLOCKING) | |
| 21 | ||
| 22 | typedef struct FSP_LOCK { | |
| 23 | unsigned short share_key; | |
| 24 | } FSP_LOCK; | |
| 25 | ||
| 26 | #elif defined(FSP_USE_LOCKF) | |
| 27 | ||
| 28 | typedef struct FSP_LOCK { | |
| 29 | int lock_fd; | |
| 30 | char key_string[sizeof(FSP_KEY_PREFIX)+32]; | |
| 31 | } FSP_LOCK; | |
| 32 | ||
| 33 | #else | |
| 34 | #error "No locking type specified" | |
| 35 | #endif | |
| 36 | ||
| 37 | /* prototypes */ | |
| 38 | ||
| 39 | unsigned short client_get_key (FSP_LOCK *lock); | |
| 40 | void client_set_key (FSP_LOCK *lock,unsigned short key); | |
| 41 | int client_init_key (FSP_LOCK *lock, | |
| 42 | unsigned long server_addr, | |
| 43 | unsigned short server_port); | |
| 44 | void client_destroy_key(FSP_LOCK *lock); | |
| 45 | 16 | #endif |
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