Re: gethostbyaddr() and threads.

[Louis A. Mamakos]

> ---Steve Tarkalson said:
> > this is solved by one of two methods:
> >    1-) require the caller of gethostbyaddr() to supply a pointer to
> >        a hostent struct which will be filled.
> > or 2-) the library uses thread specific storage which is re-used in
> >        each call.
> > 
> You could malloc() a struct hostent for each call to
> gethostby*(), each time registering the hostent in some list along with the
> thread's PID. If the same thread calls gethostby*, use the same buffer, or
> allocate a new one if another thread calls it. Have a static function be called
> atexit to free all the mallocs.

Yuk!

If you're writing a multithreaded program, a slightly different API for
gethostbyname() is likely to be the least of your worries.





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