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

["mtk dot manpages at gmail dot com" <sourceware-bugzilla@sourceware.org>]

Currently, glibc does not provide a wrapper for gettid().  Nevertheless, 
There are number of corners of the Linux syscall API where the use of Linux
thread IDs, as returned by gettid(), is essential:

a) the SIGEV_THREAD_ID notification mechanism (a Linux extension) of POSIX
timers (timer_create()). 

b) sched_setaffinity()/sched_getaffinity() can be used to set the CPU affinity
of specific threads.

c) The F_SETOWN and F_GETOWN commands of fcntl() can specify a thread ID.

Given this, it seems time that gettid() should be promoted to full member status
in glibc, and have a wrapper provided.

-- 
           Summary: gettid() should have a wrapper
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper at redhat dot com
        ReportedBy: mtk dot manpages at gmail dot com
                CC: glibc-bugs at sources dot redhat dot com


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

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