The possible statuses of a one-time initialization function
controlled by a GOnce struct.
G_ONCE_STATUS_NOTCALLED
the function has not been called yet.
G_ONCE_STATUS_PROGRESS
the function call is currently in progress.
G_ONCE_STATUS_READY
the function has been called.
Since 2.4
The possible statuses of a one-time initialization function controlled by a GOnce struct. G_ONCE_STATUS_NOTCALLED the function has not been called yet. G_ONCE_STATUS_PROGRESS the function call is currently in progress. G_ONCE_STATUS_READY the function has been called. Since 2.4