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ZIF Reference Manual | ![]() |
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Top | Description |
#define ZIF_LOCK_ERROR struct ZifLock; struct ZifLockClass; enum ZifLockError; enum ZifLockType; GQuark zif_lock_error_quark (void
); ZifLock * zif_lock_new (void
); gboolean zif_lock_is_instance_valid (void
); gboolean zif_lock_is_locked (ZifLock *lock
,guint *pid
); gboolean zif_lock_set_locked (ZifLock *lock
,guint *pid
,GError **error
); gboolean zif_lock_set_unlocked (ZifLock *lock
,GError **error
); gboolean zif_lock_take (ZifLock *lock
,ZifLockType type
,GError **error
); gboolean zif_lock_release (ZifLock *lock
,ZifLockType type
,GError **error
); const gchar * zif_lock_type_to_string (ZifLockType lock_type
); ZifLockPrivate;
typedef enum { ZIF_LOCK_ERROR_FAILED, ZIF_LOCK_ERROR_ALREADY_LOCKED, ZIF_LOCK_ERROR_NOT_LOCKED, ZIF_LOCK_ERROR_PERMISSION, ZIF_LOCK_ERROR_LAST } ZifLockError;
typedef enum { ZIF_LOCK_TYPE_RPMDB_WRITE, ZIF_LOCK_TYPE_REPO_WRITE, ZIF_LOCK_TYPE_METADATA_WRITE, ZIF_LOCK_TYPE_LAST } ZifLockType;
gboolean zif_lock_is_instance_valid (void
);
Returns : |
TRUE if a singleton instance already exists |
Since 0.1.6
gboolean zif_lock_is_locked (ZifLock *lock
,guint *pid
);
Gets the lock state.
This function is DEPRECATED as it's not threadsafe.
|
A ZifLock |
|
The PID of the process holding the lock, or NULL
|
Returns : |
TRUE if we are already locked |
Since 0.1.0
gboolean zif_lock_set_locked (ZifLock *lock
,guint *pid
,GError **error
);
Tries to lock the packaging system.
This function is DEPRECATED. Use zif_lock_take()
instead.
|
A ZifLock |
|
A PID of the process holding the lock, or NULL
|
|
A GError, or NULL
|
Returns : |
TRUE if we locked, else FALSE and the error is set |
Since 0.1.0
gboolean zif_lock_set_unlocked (ZifLock *lock
,GError **error
);
Unlocks the packaging system.
This function is DEPRECATED. Use zif_lock_take()
instead.
Since 0.1.0
gboolean zif_lock_take (ZifLock *lock
,ZifLockType type
,GError **error
);
Tries to take a lock for the packaging system.
|
A ZifLock |
|
A ZifLockType, e.g. ZIF_LOCK_TYPE_RPMDB_WRITE
|
|
A GError, or NULL
|
Returns : |
TRUE if we locked, else FALSE and the error is set |
Since 0.1.6
gboolean zif_lock_release (ZifLock *lock
,ZifLockType type
,GError **error
);
Tries to release a lock for the packaging system.
|
A ZifLock |
|
A ZifLockType, e.g. ZIF_LOCK_TYPE_RPMDB_WRITE
|
|
A GError, or NULL
|
Returns : |
TRUE if we locked, else FALSE and the error is set |
Since 0.1.6
const gchar * zif_lock_type_to_string (ZifLockType lock_type
);
Returns : |
The string representation of the type |
Since 0.1.6