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Fixing potential deadlock in AFURLConnectionOpeation -setOutputStream: /thanks @aburgel

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This commit is contained in:
Mattt Thompson 2013-05-20 10:49:44 -07:00
parent 65af19c524
commit efb36aaa99
1 changed files with 7 additions and 9 deletions
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6
AFNetworking/AFURLConnectionOperation.m
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@ -321,16 +321,14 @@ static inline BOOL AFStateTransitionIsValid(AFOperationState fromState, AFOperat
- (void)setOutputStream:(NSOutputStream *)outputStream { - (void)setOutputStream:(NSOutputStream *)outputStream {
[self.lock lock]; [self.lock lock];
if (outputStream == _outputStream) { if (outputStream != _outputStream) {
return;
}
[self willChangeValueForKey:@"outputStream"]; [self willChangeValueForKey:@"outputStream"];
if (_outputStream) { if (_outputStream) {
[_outputStream close]; [_outputStream close];
} }
_outputStream = outputStream; _outputStream = outputStream;
[self didChangeValueForKey:@"outputStream"]; [self didChangeValueForKey:@"outputStream"];
}
[self.lock unlock]; [self.lock unlock];
} }