Richard Purdie 854c8c2e4c oeqa/tinfoil: Improve test_wait_event for race issues
The test could break in a variety of ways:

a) If BB_HEARTBEAT_EVENT was less than ~0.25 it would hang indefinitely
b) The mask is set after draining the event queue meaning a heartbeat event
   could have happened
c) The test exits once it sees the events it wants, it doesn't check for
   spurious events such as heartbeats which shouldn't have occured.
d) The hardcoded delay of 0.25 is nasty and shouldn't be needed.

I found a bitbake bug and fixed that meaning we don't need the delay any
more which fixes d). That means a) is no longer an issue either.

We now set the mask, then drain the queue meaning no spurious events should
be able to sneak in. The test is also tweaked to wait for 5s in total to
ensure spurious events don't occur such as heartbeat events we shouldn't see.

[YOCTO #11045]

(From OE-Core rev: 7dd5dfc4d56f1201110d947ce1ca3c6d64fbc7da)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-07-08 13:34:46 +01:00
2016-03-26 08:06:58 +00:00
2014-01-02 12:58:54 +00:00

Poky

Poky is an integration of various components to form a complete prepackaged build system and development environment. It features support for building customised embedded device style images. There are reference demo images featuring a X11/Matchbox/GTK themed UI called Sato. The system supports cross-architecture application development using QEMU emulation and a standalone toolchain and SDK with IDE integration.

Additional information on the specifics of hardware that Poky supports is available in README.hardware. Further hardware support can easily be added in the form of layers which extend the systems capabilities in a modular way.

As an integration layer Poky consists of several upstream projects such as BitBake, OpenEmbedded-Core, Yocto documentation and various sources of information e.g. for the hardware support. Poky is in turn a component of the Yocto Project.

The Yocto Project has extensive documentation about the system including a reference manual which can be found at: http://yoctoproject.org/documentation

OpenEmbedded-Core is a layer containing the core metadata for current versions of OpenEmbedded. It is distro-less (can build a functional image with DISTRO = "nodistro") and contains only emulated machine support.

For information about OpenEmbedded, see the OpenEmbedded website: http://www.openembedded.org/

Where to Send Patches

As Poky is an integration repository (built using a tool called combo-layer), patches against the various components should be sent to their respective upstreams:

bitbake: Git repository: http://git.openembedded.org/bitbake/ Mailing list: bitbake-devel@lists.openembedded.org

documentation: Git repository: http://git.yoctoproject.org/cgit/cgit.cgi/yocto-docs/ Mailing list: yocto@yoctoproject.org

meta-poky, meta-yocto-bsp: Git repository: http://git.yoctoproject.org/cgit/cgit.cgi/meta-yocto(-bsp) Mailing list: poky@yoctoproject.org

Everything else should be sent to the OpenEmbedded Core mailing list. If in doubt, check the oe-core git repository for the content you intend to modify. Before sending, be sure the patches apply cleanly to the current oe-core git repository.

Git repository: http://git.openembedded.org/openembedded-core/
Mailing list: openembedded-core@lists.openembedded.org

Note: The scripts directory should be treated with extra care as it is a mix of oe-core and poky-specific files.

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