[Bug libc/6399] gettid() should have a wrapper

[mtk.manpages at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=6399

--- Comment #24 from Michael Kerrisk <mtk.manpages at gmail dot com> ---
(In reply to Carlos O'Donell from comment #22)
> This issue was raised again recently and I'm not opposed to it, but we would
> need to very carefully describe what "tid" means e.g. task id (not thread)
> and enhance the documentation to describe which API functions accept tid's.
> 
> To be clear the next step is two things:
> * Add documentation for gettid, describe what a tid *is*, and it's
> properties and the fact that it is specific to linux. Find all other
> functions that also accept tid's and enhance their descriptions (or provide
> stubs) that say they accept tids on Linux.
> * Add the gettid wrapper.

These are the APIs that I know of the expose or use Linux kernel IDs (what you
call "tid"):

clone()
gettid()
fcntl() F_SETOWN, F_GETOWN, G_GETOWN_EX, F_SETOWN_EX
get_robust_list()
set_robust_list()
perf_event_open()
sched_getaffinity()
sched_setaffinity()
timer_create()
sched_getaffinity()  
sched_setaffinity()  
sched_getparam() 
sched_setparam()
sched_getscheduler()
sched_setscheduler()
ioprio_set()
ioprio_get()
tgkill()

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