objc2_system_configuration

Function SCPreferencesLock

Source 
pub unsafe extern "C-unwind" fn SCPreferencesLock(
    prefs: &SCPreferences,
    wait: bool,
) -> bool
Available on crate feature SCPreferences only.
Expand description

Locks access to the configuration preferences.

This function obtains exclusive access to the configuration preferences. Clients attempting to obtain exclusive access to the preferences will either receive a kSCStatusPrefsBusy error or block waiting for the lock to be released.

Parameter prefs: The preferences session.

Parameter wait: A boolean flag indicating whether the calling process should block waiting for another process to complete its update operation and release its lock.

Returns: Returns TRUE if the lock was obtained; FALSE if an error occurred.