29e
Subj : Re: How to deal with errno in a multipthread program
To   : comp.programming.threads
From : John Hickin
Date : Fri Apr 15 2005 03:54 pm


"Eric Sosman" <eric.sosman@sun.com> wrote in message
news:d3ou9g$k5i$1@news1brm.Central.Sun.COM...
>

>     The decision to preserve errno or not has nothing to
> do with whether the program is single- or multi-threaded;
> it's a matter of the "contract" between the function
> and its callers.
>

Except that there is the issue of what to do in signal handlers. Generally I
would save/restore errno in my handler even if this breaks a standard which
says you can read it or write it but not do both.

.

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