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From: "adhemerval.zanella at linaro dot org"
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Subject: [Bug nptl/27880] Please provide a pthread pid accessor
Date: Wed, 19 May 2021 20:27:45 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27880

--- Comment #7 from Adhemerval Zanella <adhemerval.zanella at linaro dot or=
g> ---
I think the TID value is what he is has in mind, assuming that prototype in
comment #1 returns 'pid_t'.

For thread exit/cancelled I think the sensible way would to return an error=
 to
indicate it.  Another issue, which I think also there is no guaranteee, is
calling the newer interface with pthread_self() on a vfork process (since t=
he
tid won't be update and I am assuming the straightforward solution would be=
 to
just atomic read the TID field in struct pthread).

Also I am not sure about the name, pthread_gettid_np seems sensible but I am
not sure if it make sense for non-Linux systems.

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