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Clarify that run loop watchers are NOT retained, and are responsible for removing themselves from the run loop when they have finished watching for events.

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Richard Frith-Macdonald 2021-11-11 10:01:52 +00:00
parent 824fcb8e65
commit b55ee6b0c5
2 changed files with 6 additions and 4 deletions
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5
Headers/Foundation/NSRunLoop.h
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@ -191,8 +191,9 @@ typedef enum {
/** Adds a watcher to the receiver ... the watcher is used to monitor events
* of the specified type which are associted with the event handle data and
* it operates in the specified run loop modes.<br />
* The watcher remains in place until a corresponding call to
* -removeEvent:type:forMode:all: is made.
* The watcher is not retained, but remains in place until a corresponding
* call to -removeEvent:type:forMode:all: is made. If is the watchers
* responsibility to ensure that it is removed from the run loop safely.
*/
- (void) addEvent: (void*)data
type: (RunLoopEventType)type