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Code Issues Wiki Activity

Bug 344892: Deadlock when trying to attach to more than one process on a remote target

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This commit is contained in:
Marc Khouzam 2011-05-06 02:05:27 +00:00
parent b6a00cad30
commit 8de6de9d51
1 changed files with 50 additions and 17 deletions
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67
dsf-gdb/org.eclipse.cdt.dsf.gdb.ui/src/org/eclipse/cdt/dsf/gdb/internal/ui/actions/GdbConnectCommand.java
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@ -145,6 +145,46 @@ public class GdbConnectCommand implements IConnect {
} }
}; };
// Need a job to free the executor while we prompt the user for a binary path
// Bug 344892
private class PromptAndAttachToProcessJob extends Job {
private final String fPid;
private final RequestMonitor fRm;
public PromptAndAttachToProcessJob(String pid, RequestMonitor rm) {
super(""); //$NON-NLS-1$
fPid = pid;
fRm = rm;
}
@Override
protected IStatus run(IProgressMonitor monitor) {
final String[] binaryPath = new String[1];
binaryPath[0] = null;
PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
public void run() {
Shell shell = Display.getCurrent().getActiveShell();
if (shell != null) {
FileDialog fd = new FileDialog(shell, SWT.NONE);
binaryPath[0] = fd.open();
}
}
});
fExecutor.execute(new DsfRunnable() {
public void run() {
IGDBProcesses procService = fTracker.getService(IGDBProcesses.class);
ICommandControlService commandControl = fTracker.getService(ICommandControlService.class);
IProcessDMContext procDmc = procService.createProcessContext(commandControl.getContext(), fPid);
procService.attachDebuggerToProcess(procDmc, binaryPath[0], new DataRequestMonitor<IDMContext>(fExecutor, fRm));
}
});
return Status.OK_STATUS;
}
}
public void connect(RequestMonitor requestMonitor) public void connect(RequestMonitor requestMonitor)
{ {
// Create a fake rm to avoid null pointer exceptions // Create a fake rm to avoid null pointer exceptions
@ -206,27 +246,20 @@ public class GdbConnectCommand implements IConnect {
// khouzam, maybe we should at least pass stopOnMain? // khouzam, maybe we should at least pass stopOnMain?
new HashMap<String, Object>(), new DataRequestMonitor<IDMContext>(fExecutor, rm)); new HashMap<String, Object>(), new DataRequestMonitor<IDMContext>(fExecutor, rm));
} else if (data instanceof Integer) { } else if (data instanceof Integer) {
final String[] binaryPath = new String[1]; String pidStr = Integer.toString((Integer)data);
binaryPath[0] = null;
final IGDBBackend backend = fTracker.getService(IGDBBackend.class); final IGDBBackend backend = fTracker.getService(IGDBBackend.class);
if (backend != null && backend.getSessionType() == SessionType.REMOTE) { if (backend != null && backend.getSessionType() == SessionType.REMOTE) {
// For remote attach, we must set the binary first // For remote attach, we must set the binary first so we need to prompt the user.
// Because the prompt is a very long operation, we need to run outside the
// executor, so we don't lock it.
// Bug 344892
new PromptAndAttachToProcessJob(pidStr, rm).schedule();
} else {
// For a local attach, GDB can figure out the binary automatically, // For a local attach, GDB can figure out the binary automatically,
// so we don't specify it. // so we don't need to prompt for it.
PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() { IProcessDMContext procDmc = procService.createProcessContext(controlCtx, pidStr);
public void run() { procService.attachDebuggerToProcess(procDmc, null, new DataRequestMonitor<IDMContext>(fExecutor, rm));
Shell shell = Display.getCurrent().getActiveShell();
if (shell != null) {
FileDialog fd = new FileDialog(shell, SWT.NONE);
binaryPath[0] = fd.open();
}
}
});
} }
IProcessDMContext procDmc = procService.createProcessContext(controlCtx,
Integer.toString((Integer)getData()));
procService.attachDebuggerToProcess(procDmc, binaryPath[0], new DataRequestMonitor<IDMContext>(fExecutor, rm));
} else { } else {
rm.setStatus(new Status(IStatus.ERROR, GdbUIPlugin.PLUGIN_ID, IDsfStatusConstants.INTERNAL_ERROR, "Invalid return type for process prompter", null)); //$NON-NLS-1$ rm.setStatus(new Status(IStatus.ERROR, GdbUIPlugin.PLUGIN_ID, IDsfStatusConstants.INTERNAL_ERROR, "Invalid return type for process prompter", null)); //$NON-NLS-1$
rm.done(); rm.done();