[Bug gdb/31555] Cannot attach to program after its main thread has exited, on Linux

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=31555

--- Comment #1 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pedro Alves <palves@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ec48903170926f3827144525b50ddd3c6ae3fbf0

commit ec48903170926f3827144525b50ddd3c6ae3fbf0
Author: Pedro Alves <pedro@palves.net>
Date:   Mon Mar 25 15:17:02 2024 +0000

    New testcase gdb.threads/leader-exit-attach.exp (PR threads/8153)

    Add a new testcase for exercising attaching to a process after its
    main thread has exited.

    This is not possible on Linux, the kernel does not allow attaching to
    a zombie task, so the test is kfailed there.  It is possible however
    on Windows at least, and was the scenario addressed by the Windows
    backend fix in
    https://sourceware.org/legacy-ml/gdb-patches/2003-12/msg00479.html,
    nowadays PR threads/8153, back in 2003.

    Passes cleanly on Cygwin.
    KFAILed on GNU/Linux native and gdbserver.

    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=8153
    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31554
    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31555
    Change-Id: Ib554f92f68c965bb4603cdf2aadb55ca45ded53b

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