tests: Add a test for fd leaks on zombie objects

Until recently, if a client destroying a resource raced with the
server generating an event on that resource that delivered a file
descriptor, we would leak the fd.

This tests for a leaked fd from that race condition.

Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Derek Foreman 2017-12-06 11:22:24 -06:00 committed by Daniel Stone
parent 239ba39331
commit f74c9b98db
3 changed files with 151 additions and 1 deletions

43
protocol/tests.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<protocol name="build_time_wayland_tests">
<copyright>
Copyright © 2017 Samsung Electronics Co., Ltd
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice (including the
next paragraph) shall be included in all copies or substantial
portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
</copyright>
<interface name="fd_passer" version="1">
<description summary="Sends an event with an fd">
A trivial interface for fd passing tests.
</description>
<request name="destroy" type="destructor"/>
<event name="pre_fd"/>
<event name="fd">
<description summary="passes a file descriptor"/>
<arg name="fd" type="fd" summary="file descriptor"/>
</event>
</interface>
</protocol>