[reSIProcate] thread-safe version of gethostbyname for mac OSX

[Eric McMurry]

Jason,

The gethostbyname() family was made thread safe in OS X 10.2 (stated  
on page 8 in here: http://developer.apple.com/technotes/tn2002/pdf/ 
tn2053.pdf).  They don't say how they did it and the interface didn't  
change, so I would expect it to block other threads making the same  
call.  Unfortunately, the man page is from 1995, so it is not  
accurate or helpful in this regard.

Eric


On Oct 10, 2005, at 2:51 PM, Jason Fischl wrote:

> Is there a version of gethostbyname that is thread-safe on MAC? On
> most operating systems there is a function gethostbyname_r that is
> thread-safe. gethostbyname returns a pointer to static memory and is
> thus not reentrant. Trying to fix DnsUtil for MAC.
>
> Can Mac folks chime in here.
>
> Jason
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