Re: Using errno with solaris threads

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Article #49896

#49896

From: Casper H.S. Dik
Date: Fri, 03 Dec 1993 09:25

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vijay@chpcchpc.org (Vijay Baliga) writes:

>Hi,
>I am using solaris threads and want to be able to access the thread specific
>errno. We have gcc 2.3.3 and gcc 2.5.5. Sun suggests that I declare errno as:

>#pragma unshared errno
>extern int errno;

>However, gcc does not recognize #pragma unshared. So how can I put the errno
>in thread-local storage? Thanks for any help!

Where does Sun suggest this?  I've only seen this in papers
preceding the Solaris 2.x threads implementations. Not in
the Solaris 2.2 guide to threads.

You should include <errno.h> and compile your programs with
_REENTRANT defined.

Casper

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From: casper@fwi.uva.nl (Casper H.S. Dik)
Newsgroups: gnu.gcc.help
Subject: Re: Using errno with solaris threads
Date: 3 Dec 1993 09:25:02 GMT
Organization: FWI, University of Amsterdam
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