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Re: [Help-glpk] Thred safety
From: |
Andrew Makhorin |
Subject: |
Re: [Help-glpk] Thred safety |
Date: |
Sun, 29 Jan 2017 12:55:04 +0300 |
> If a multithreaded application calls the same GLPK library function in
> two threads at the same time, unexpected results may occur.
>
> Gmtime, strerror and strtok use one global buffer each for all
> threads.
>
> They do not use thread local memory.
>
Probably you are right. (At least glibc 2.24 does not use tls.)
To resolve this issue I think to use wrappers for these functions (e.g.
xstrtok) implemented on a per-thread basis.
Andrew Makhorin