[Bug gdb/17627] In MI all-stop/mi-async off mode, a thread exit make the prompt (kind of) return, but it shouldn't

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https://sourceware.org/bugzilla/show_bug.cgi?id=17627

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1abf3a143773819e195fceaa485060dcac9e6089

commit 1abf3a143773819e195fceaa485060dcac9e6089
Author: Simon Marchi <simon.marchi@ericsson.com>
Date:   Wed Dec 10 13:03:47 2014 -0500

    Restore terminal state in mi_thread_exit (PR gdb/17627)

    When a thread exits, the terminal is left in mode "terminal_is_ours"
    while the target executes.  This patch fixes that.

    We need to manually restore the terminal setting in this particular
    observer.  In the case of the other MI observers that call
    target_terminal_ours, gdb will end up resuming the inferior later in the
    execution and call target_terminal_inferior.  In the case of the thread
    exit event, we still need to call target_terminal_ours to be able to
    print something, but there is nothing that gdb will need to resume after
    that. We therefore need to call target_terminal_inferior ourselves.

    gdb/ChangeLog:

        PR gdb/17627
        * target.c (cleanup_restore_target_terminal): New function.
        (make_cleanup_restore_target_terminal): New function.
        * target.h (make_cleanup_restore_target_terminal): New
        declaration.
        * mi/mi-interp.c (mi_thread_exit): Use the new cleanup.

    Signed-off-by: Simon Marchi <simon.marchi@ericsson.com>

-----------------------------------------------------------------------

Summary of changes:
 gdb/ChangeLog      |    8 ++++++++
 gdb/mi/mi-interp.c |    4 ++++
 gdb/target.c       |   34 ++++++++++++++++++++++++++++++++++
 gdb/target.h       |    4 ++++
 4 files changed, 50 insertions(+), 0 deletions(-)

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