[S] Change in osmo-trx[master]: fix(threads): support GNU and POSIX strerror_r variants

[pespin]

Attention is currently required from: Timur Davydov.

pespin has posted comments on this change by Timur Davydov. ( 
https://gerrit.osmocom.org/c/osmo-trx/+/42199?usp=email )

Change subject: fix(threads): support GNU and POSIX strerror_r variants
......................................................................


Patch Set 1:

(2 comments)

File CommonLibs/Threads.cpp:

https://gerrit.osmocom.org/c/osmo-trx/+/42199/comment/ab541672_61255e05?usp=email
 :
PS1, Line 58:         char *err_str = NULL;
wrong indentation


https://gerrit.osmocom.org/c/osmo-trx/+/42199/comment/e2b5f56f_7e2ee524?usp=email
 :
PS1, Line 59: #if defined(__GLIBC__) && defined(_GNU_SOURCE)
Can we move all this into a helper function above so it can be reused?

    char *strerror_buf(int err, char *buf, size_t buf_size)
    {
    #if defined(__GLIBC__) && defined(_GNU_SOURCE)
            char *err_str = NULL;
            err_str = strerror_r(err, buf, sizeof(buf));
    #else
            if (strerror_r(err, buf, sizeof(buf)) == 0) {
                err_str = buf;
            } else {
                snprintf(buf, sizeof(buf), "Unknown error %d", err);
                err_str = buf;
            }
    #endif
    return err_str;
    }



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Gerrit-MessageType: comment
Gerrit-Project: osmo-trx
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Gerrit-Change-Id: I642aff8a9f98823e117c4debd19384ddf5975039
Gerrit-Change-Number: 42199
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