diff options
Diffstat (limited to 'common/dotlock.h')
| -rw-r--r-- | common/dotlock.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/common/dotlock.h b/common/dotlock.h index 03131bb0c..0f52d4037 100644 --- a/common/dotlock.h +++ b/common/dotlock.h @@ -97,12 +97,35 @@ extern "C" struct dotlock_handle; typedef struct dotlock_handle *dotlock_t; +enum dotlock_reasons + { + DOTLOCK_CONFIG_TEST, /* Can't check system - function terminates. */ + DOTLOCK_FILE_ERROR, /* General file error - function terminates. */ + DOTLOCK_INV_FILE, /* Invalid file - function terminates. */ + DOTLOCK_CONFLICT, /* Something is wrong - function terminates. */ + DOTLOCK_NOT_LOCKED, /* Not locked - No action required. */ + DOTLOCK_STALE_REMOVED, /* Stale lock file was removed - retrying. */ + DOTLOCK_WAITING /* Waiting for the lock - may be terminated. */ + }; + +/* Flags for dotlock_create. */ +#define DOTLOCK_PREPARE_CREATE (1U << 5) /* Require dotlock_finish_create. */ +#define DOTLOCK_LOCK_BY_PARENT (1U << 6) /* Used by dotlock util. */ +#define DOTLOCK_LOCKED (1U << 7) /* Used by dotlock util. */ + void dotlock_disable (void); dotlock_t dotlock_create (const char *file_to_lock, unsigned int flags); +dotlock_t dotlock_finish_create (dotlock_t h, const char *file_to_lock); void dotlock_set_fd (dotlock_t h, int fd); int dotlock_get_fd (dotlock_t h); +void dotlock_set_info_cb (dotlock_t h, + int (*cb)(dotlock_t, void *, + enum dotlock_reasons reason, + const char *,...), + void *opaque); void dotlock_destroy (dotlock_t h); int dotlock_take (dotlock_t h, long timeout); +int dotlock_is_locked (dotlock_t h); int dotlock_release (dotlock_t h); void dotlock_remove_lockfiles (void); |