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qga: add qga_open_cloexec() helper

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QGA calls qemu_open_old() in various places. Calling qemu_open() instead
isn't a great alternative, as it has special "/dev/fdset" handling and
depends on QEMU internal monitor data structures.

Instead, provide a simple helper for QGA needs, with Error* support. The
following patches will make use of it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220525144140.591926-6-marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau 2022-05-25 16:41:30 +02:00
parent 69f56c140d
commit 0edbfbe31c
3 changed files with 42 additions and 0 deletions
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qga/meson.build
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@ -65,6 +65,7 @@ qga_ss.add(files(
'commands.c',
'guest-agent-command-state.c',
'main.c',
'cutils.c',
))
qga_ss.add(when: 'CONFIG_POSIX', if_true: files(
'channel-posix.c',