Re: OSSpinLockInit in OSX

Shantonu Sen <[email protected]> Fri, 06 May 2011 10:40:29 -0700

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

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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