Re: Synchronizing Thread Execution
Re: Synchronizing Thread Execution
- Subject: Re: Synchronizing Thread Execution
- From: "Sean McBride" <email@hidden>
- Date: Tue, 5 Dec 2006 11:46:08 -0500
- Organization: Rogue Research
On 2006-12-05 17:37, leenoori said:
>El 5/12/2006, a las 17:08, Buddy Kurz escribió:
>
>> I'm wondering what the difference is between
>> @synchronized(myObject) {
>> //do stuff
>> }
>> and
>> {
>> [myLock lock];
>> //do stuff
>> [myLock unlock];
>> }
>
> From the programmer's perspective there are two important differences:
>
>1. @synchronized is Panther-and-up only
>
>2. @synchronized has an implicit exception handler; that is, if an
>exception is thrown inside the @synchronized block cleans up when you
>exit the block (on throwing) whereas in the NSLock version the lock
>is not cleaned up.
3. @synchronized is only supported by gcc 3.3 and up. Older versions of
gcc and any version of CodeWarrior will generate compiler errors.
--
____________________________________________________________
Sean McBride, B. Eng email@hidden
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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