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Re: [platform-debug-dev] Debug Model Poll - Serialized vs. Concurrent
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The current implementation of the CDT debug model is limited to serialized
access and we have to serialize requests internally.
Unfortunately we haven't tried the 3.1 builds - still working on the CDT 2.1
release, but we've had problems with label decorators.
It seems that regardless of these new features we need to revisit our
approach.
Mikhail Khodjaiants
QNX Software Systems
----- Original Message -----
From: "Darin Wright" <Darin_Wright@xxxxxxxxxx>
To: <platform-debug-dev@xxxxxxxxxxx>
Sent: Tuesday, November 23, 2004 3:32 PM
Subject: [platform-debug-dev] Debug Model Poll - Serialized vs. Concurrent
Debug model implementors,
With the introduction of background jobs in the Eclispe 3.0 SDK, the debug
platform may now access a debug model API from multiple jobs at the same
time. For example, the debug view may be retrieving labels for stack
frames while the variables view is retrieving variables for a stack frame.
This may result in concurrent requests to a debug model API. Note that the
debug platform was not built on the assumption that debug models require
serialized access.
In 3.1, we are extending the use of background jobs to retrieve content
for the debug view in the background as well. This is to avoid blocking
the UI while communicating with a remote debug target. This further adds
to the possibility of concurrent requests on a debug model API. (
https://bugs.eclipse.org/bugs/show_bug.cgi?id=44724)
As the job architecture is part for the Eclispe platform, it is
foreseeable that other clients may also use jobs to access APIs
concurrently - i.e. it may not be limited to the debug platform.
My question is, for how many debug models will this present a problem? Is
your debug model limited to serialized access, and if so, does it
serialize requests internally?
Thanks,
Darin
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