Re: returning from within @synchronized results in warnings
Re: returning from within @synchronized results in warnings
- Subject: Re: returning from within @synchronized results in warnings
- From: Paul Summermatter <email@hidden>
- Date: Wed, 12 Aug 2009 08:26:35 -0400
Cem,
I'm a reborn Objective-C'er, but so take my advice as probably not
the most experienced since synchronized was not even available the
last time I used Objective-C. That being said, I would have expected
to see something more like:
- (NSString *)name
{
NSString *retval;
@synchronized (self) {
retval = [[name retain] autorelease];
}
return retval;
}
Also, I thought if you used properties that all of this was done
properly for you under the covers. Unless you have a specific need to
define your own accessor, you might consider just using a property.
Regards,
Paul
On Aug 12, 2009, at 8:20 AM, Karan, Cem (Civ, ARL/CISD) wrote:
Note that although I mention the iPhone below, this is an Xcode
question, not an iPhone question.
I have a bunch of accessors that I define for properties that are
something like the following:
- (NSString *)name
{
@synchronized(self)
{
return [[name retain] autorelease];
}
}
From what I've read, this is correct Objective-C 2.0 syntax, but I
keep getting compile warnings like the following:
'warning: control reaches end of non-void function'.
This only happens when I'm compiling for the iPhone simulator, and
not for the iPhone itself. Has anyone else seen this? Since this
doesn't happen when I compile to the iPhone, I don't really care,
except that I'm concerned it may affect my testing...
I'm running Xcode 3.1.2, and targetting iPhone OS 2.2.1 if that helps.
Thanks,
Cem Karan
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