Re: OSSpinLockInit in OSX

Nathan Sims <[email protected]> Fri, 6 May 2011 10:47:04 -0700

Newsgroups	gmane.comp.macosx.devel
Message-ID	<[email protected]>

Thanks! I hadn't seen that. By the way, are the OSSpinLock* functions preferred over pthread_spin_* functions?
-Nate

On May 6, 2011, at 10:40 AM, Shantonu Sen wrote:

> See the header file:
> 
> /*! @abstract The default value for an <code>OSSpinLock</code>.
>    @discussion
>        The convention is that unlocked is zero, locked is nonzero.
> */
> #define OS_SPINLOCK_INIT    0
> 
> Shantonu Sen
> [email protected]
> 
> 
> 
> On May 6, 2011, at 10:36 AM, Nathan Sims wrote:
> 
>> I'm porting some C code from Linux which uses OSSpinLock function calls. 
>> OSX has the same functions (declated in OSAtomic.h):
>> 	• OSSpinLockLock()
>> 	• OSSpinLockTry()
>> 	• OSSpinLockUnlock()
>> 
>> However, OSX is missing this function:
>> 
>> 	• OSSpinLockInit()
>> 
>> Is there no initialization needed for an OSSpinLock?
>> 
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>