Description

Checks the event queue for messages and optionally returns them.

If action is SDL_ADDEVENT, up to numevents events will be added to the back of the event queue.

If action is SDL_PEEKEVENT, up to numevents events at the front of the event queue, matching mask, will be returned and will not be removed from the queue.

If action is SDL_GETEVENT, up to numevents events at the front of the event queue, matching mask, will be returned and will be removed from the queue.

This function is thread-safe.

Return Value

This function returns the number of events actually stored, or -1 if there was an error.

See Also

SDL_Event, SDL_PollEvent, SDL_PushEvent