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Bug: https://bugs.freedesktop.org/show_bug.cgi?id=99825Reviewed-by: Philip Withnall <withnall@endlessm.com>
Signed-off-by: Simon McVittie <simon.mcvittie@collabora.co.uk>

The GLib functions we're using don't, and it seems to be possible to be
interrupted during cleanup for our tests.

Windows apparently has and uses ENOENT for _unlink(), so just do the
same on Windows there; but EINTR is very much a POSIX thing, so ignore
that on Windows.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=99825Reviewed-by: Philip Withnall <withnall@endlessm.com>
[smcv: add Windows fixes from a later commit, also reviewed by Philip]
Signed-off-by: Simon McVittie <simon.mcvittie@collabora.co.uk>

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=99825Reviewed-by: Philip Withnall <withnall@endlessm.com>
Signed-off-by: Simon McVittie <simon.mcvittie@collabora.co.uk>

We don't hard-depend on a new enough GLib to have g_test_skip();
if our GLib is older, fake it using g_test_message() and degrade to
reporting it as a pass rather than a skip.
Reviewed-by: Philip Withnall <philip.withnall@collabora.co.uk>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=89846

This makes life easier for frameworks like LAVA that screen-scrape
test results.

g_test_message() is not displayed by default, but each test can be run
with either --tap or --verbose to get these messages displayed.
Reviewed-by: Philip Withnall <philip.withnall@collabora.co.uk>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=89846

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=46787Reviewed-by: Philip Withnall <philip.withnall@collabora.co.uk>

If spawn_dbus_daemon() can fail for TEST_USER_ME, then we'd have to
go through all the tests adding the ability to skip tests after
it fails, which is a fairly extensive change.

The tests have historically all run as whatever uid is supplied, and
if the tests are being run as root for some reason - perhaps in a CI
framework for an embedded platform that doesn't have non-root users,
or in an environment where you can be root or non-root but not both -
there is no particular reason to skip them.

This is technical debt from mitigating CVE-2014-8148, which should
really have had a regression test at the time.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=88810
Reviewed-by: Philip Withnall

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=88810
Reviewed-by: Philip Withnall

In the process, make test_kill_pid() safer: do not try to terminate
more than one pid, or the NULL handle.

Also stop leaking the address_fd in spawn_dbus_daemon, a pre-existing
bug that was spotted by Philip Withnall during review.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=88810
Reviewed-by: Philip Withnall