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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug remote/30770] serial.c does not preserve errno correctly
Date: Mon, 27 Nov 2023 20:14:15 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D30770

--- Comment #5 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tom Tromey <tromey@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3D4dda9cc4b037=
88d1cf0416b39a3ab3780caf27fd

commit 4dda9cc4b03788d1cf0416b39a3ab3780caf27fd
Author: Tom Tromey <tromey@adacore.com>
Date:   Fri Sep 1 11:04:58 2023 -0600

    Fix latent bug in ser_windows_send_break

    The ClearCommBreak documentation says:

        If the function fails, the return value is zero.

    ser_windows_send_break inverts this check.  This has never been
    noticed because the caller doesn't check the result.

    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=3D30770

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