On 12/12/2009, at 12:37 PM, Keith Blount wrote:
> NSDictionary *searchIndexesDeepCopy = [NSKeyedUnarchiver
> unarchiveObjectWithData:[NSKeyedArchiver
> archivedDataWithRootObject:searchIndexes]];
>
> [NSThread detachNewThreadSelector:@selector(saveSearchIndexes:) toTarget:self
> withObject:searchIndexesDeepCopy];
OK, but 'searchesIndexDeepCopy' (which becomes 'searchInfo') is not used in the
thread as written, so why do this?
> - (void)saveSearchIndexes:(NSDictionary *)searchInfo
> {
> [myXMLGeneratedData writeToURL:myUrl atomically:YES];
> }
Where does 'myXMLGeneratedData' and 'myUrl' come from? If they are data
members of the document (or whatever) you need to consider whether they could
be mutated by the main thread. If you're gettin gthese out of 'searchInfo' in
unshown code you should be OK.
If your app uses retain/release (not garbage collection), you also need to put
an autorelease pool in there:
- (void)saveSearchIndexes:(NSDictionary *)searchInfo
{
NSAutoreleasePool* pool = [NSAutoreleasePool new];
[myXMLGeneratedData writeToURL:myUrl atomically:YES];
[pool drain];
}
--Graham
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