//
//  SynthesizeSingleton.h
//
//  Created by Matt Gallagher on 20/10/08.
//

#define SYNTHESIZE_SINGLETON_FOR_CLASS(classname) 
 
static classname *shared##classname = nil; 
 
+ (classname *)shared##classname 
{ 
	@synchronized(self) 
	{ 
		if (shared##classname == nil) 
		{ 
			[[self alloc] init]; 
		} 
	} 
	 
	return shared##classname; 
} 
 
+ (id)allocWithZone:(NSZone *)zone 
{ 
	@synchronized(self) 
	{ 
		if (shared##classname == nil) 
		{ 
			shared##classname = [super allocWithZone:zone]; 
			return shared##classname; 
		} 
	} 
	 
	return nil; 
} 
 
- (id)copyWithZone:(NSZone *)zone 
{ 
	return self; 
} 
 
- (id)retain 
{ 
	return self; 
} 
 
- (NSUInteger)retainCount 
{ 
	return NSUIntegerMax; 
} 
 
- (void)release 
{ 
} 
 
- (id)autorelease 
{ 
	return self; 
}

Synthesize singleton

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