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netshade/gist:811231

Created February 4, 2011 15:27
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gistfile1.m
@interface SomeSingleton {
uint8_t * someBlockOfMemory;
}
@property(readwrite, atomic, assign) uint8_t * someBlockOfMemory;
+(id) sharedInstnace;
@end
// Thread A
SomeVolatileActionOn([[SomeSingleton sharedInstance] someBlockOfMemory]);
// Thread B
SomeVolatileActionOn([[SomeSingleton sharedInstance] someBlockOfMemroy]);
^ not thread safe
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