dispatch_group_async_f

Declaration

extern void dispatch_group_async_f(dispatch_group_t group, dispatch_queue_t queue, void *context, dispatch_function_t work);

Parameters

• group:

  A dispatch group to associate the submitted function with. The group is retained by the system until the application-defined function has run to completion. This parameter cannot be NULL.

• queue:

  The dispatch queue to which the function is submitted for asynchronous invocation. The queue is retained by the system until the application-defined function has run to completion. This parameter cannot be NULL.

• context:

  The application-defined context parameter to pass to the application-defined function.

• work:

  The application-defined function to invoke on the target queue. The first parameter passed to this function is the value in the context parameter.

Discussion

Submits an application-defined function to a dispatch queue and associates it with the given dispatch group. The dispatch group can be used to wait for the completion of the application-defined functions it references.

See Also

Adding Work to the Group

• dispatch_group_async