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fjolnir/atomic.mm Secret

Created December 11, 2013 05:46
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atomic.mm
- (void)setFoo:(id)aFoo
{
id old = _foo;
if(OSAtomicCompareAndSwapPtr(old, aFoo, &_foo)) {
[aFoo retain];
[old release];
}
else
[self setFoo:aFoo];
}
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