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Bug 309309: CommandCache could prevent RMs from being completed if the ICommandControl.queueCommand() returned right away.

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This commit is contained in:
Marc Khouzam 2010-04-30 17:07:00 +00:00
parent 1e87c2c634
commit ea18f6f726
1 changed files with 12 additions and 8 deletions
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14
dsf/org.eclipse.cdt.dsf/src/org/eclipse/cdt/dsf/debug/service/command/CommandCache.java
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@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2007, 2008 Wind River Systems and others.
* Copyright (c) 2007, 2010 Wind River Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
@ -419,13 +419,17 @@ public class CommandCache implements ICommandListener
*/
if ( ! fPendingQCommandsSent.remove(finalCachedCmd) ) {
/*
* It should not be the case that this is possible. It would mean we
* have mismanaged the queues or completions are lost at the lower
* levels. When the removal and cancellation is completed this code
* will probably not be here. But for now just return.
* This can happen if the call to queueCommand() completes without
* actually having to send the command. In that case, we should find
* our command in the fPendingQCommandsNotYetSent queue.
* For example, upon termination some queueCommand() implementation
* may complete immediately with an error status. Bug 309309
*/
if ( ! fPendingQCommandsNotYetSent.remove(finalCachedCmd) ) {
assert false : "Missing command"; //$NON-NLS-1$
return;
}
}
ICommandResult result = getData();
IStatus status = getStatus();