mirrors/cdt
1
0
Fork 0
mirror of https://github.com/eclipse-cdt/cdt synced 2025-04-29 19:45:01 +02:00
Code Issues Wiki Activity

Bug 245749 Avoid race condition by filling thread to group map of IMIProcesses service directly using new addThreadId() and removeThreadId() methods

Browse source
This commit is contained in:
Marc Khouzam 2008-09-12 15:17:54 +00:00
parent fbb2135214
commit 31aeb7bca9
11 changed files with 103 additions and 128 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
plugins/org.eclipse.dd.gdb/src/org/eclipse/dd/gdb/internal/provisional/service/GDBProcesses.java
View file

@ -182,8 +182,10 @@ public class GDBProcesses extends MIProcesses {
// This service version only handles a single process to debug, therefore, we can simply
// create the context describing this process ourselves.
ICommandControlDMContext controlDmc = DMContexts.getAncestorOfType(dmc, ICommandControlDMContext.class);
IProcessDMContext procDmc = createProcessContext(controlDmc, inferiorProcess.getPid());
IMIExecutionGroupDMContext newGroupDmc = createExecutionGroupContext(procDmc, inferiorProcess.getPid());
// Get the groupId properly for the case of an attach
String groupId = getExecutionGroupIdFromThread(null);
IProcessDMContext procDmc = createProcessContext(controlDmc, groupId);
IMIExecutionGroupDMContext newGroupDmc = createExecutionGroupContext(procDmc, groupId);
rm.setData(new IContainerDMContext[] {newGroupDmc});
rm.done();
} else {
@ -263,11 +265,18 @@ public class GDBProcesses extends MIProcesses {
@Override
public String getExecutionGroupIdFromThread(String threadId) {
// We need to properly return the groupId based on the pid
// to properly handle the case of an attach. See bug 244749
String groupId = null;
MIInferiorProcess inferiorProcess = fGdb.getInferiorProcess();
if (inferiorProcess != null) {
return inferiorProcess.getPid();
groupId = inferiorProcess.getPid();
}
if (groupId != null) {
return groupId;
} else {
return super.getExecutionGroupIdFromThread(threadId);
}
return null;
}
}

29
plugins/org.eclipse.dd.gdb/src/org/eclipse/dd/gdb/internal/provisional/service/GDBProcesses_7_0.java
View file

@ -49,8 +49,6 @@ import org.eclipse.dd.mi.service.command.commands.MIListThreadGroups;
import org.eclipse.dd.mi.service.command.commands.MITargetAttach;
import org.eclipse.dd.mi.service.command.commands.MITargetDetach;
import org.eclipse.dd.mi.service.command.commands.MIThreadInfo;
import org.eclipse.dd.mi.service.command.events.IMIDMEvent;
import org.eclipse.dd.mi.service.command.events.MIThreadCreatedEvent;
import org.eclipse.dd.mi.service.command.events.MIThreadGroupCreatedEvent;
import org.eclipse.dd.mi.service.command.events.MIThreadGroupExitedEvent;
import org.eclipse.dd.mi.service.command.output.IThreadInfo;
@ -736,17 +734,6 @@ public class GDBProcesses_7_0 extends AbstractDsfService implements IMIProcesses
if (e instanceof ExecutionGroupStartedDMEvent) {
fContainerCommandCache.reset();
} else {
// HACK figure out the thread and the group ids
// I had to HACK GDB for this
if (e instanceof IMIDMEvent) {
String threadId = ((MIThreadCreatedEvent)((IMIDMEvent)e).getMIEvent()).getStrId();
IContainerDMContext ctx = ((MIThreadCreatedEvent)((IMIDMEvent)e).getMIEvent()).getDMContext();
if (ctx instanceof IMIExecutionGroupDMContext) {
String groupId = ((IMIExecutionGroupDMContext)ctx).getGroupId();
fGroupIdMap.put(threadId, groupId);
}
}
// END HACK
fThreadCommandCache.reset();
}
}
@ -757,14 +744,6 @@ public class GDBProcesses_7_0 extends AbstractDsfService implements IMIProcesses
if (e instanceof ExecutionGroupExitedDMEvent) {
fContainerCommandCache.reset();
} else {
// HACK figure out the thread and the group ids
// I had to HACK GDB for this
if (e instanceof IMIDMEvent) {
String threadId = ((MIThreadCreatedEvent)((IMIDMEvent)e).getMIEvent()).getStrId();
fGroupIdMap.remove(threadId);
}
// END HACK
fThreadCommandCache.reset();
}
}
@ -773,5 +752,13 @@ public class GDBProcesses_7_0 extends AbstractDsfService implements IMIProcesses
fContainerCommandCache.reset(context);
fThreadCommandCache.reset(context);
}
public void addThreadId(String threadId, String groupId) {
fGroupIdMap.put(threadId, groupId);
}
public void removeThreadId(String threadId) {
fGroupIdMap.remove(threadId);
}
}

9
plugins/org.eclipse.dd.gdb/src/org/eclipse/dd/gdb/internal/provisional/service/command/GDBControl.java
View file

@ -432,15 +432,6 @@ public class GDBControl extends AbstractMIControl implements IGDBControl {
public IPath getExecutablePath() { return fExecPath; }
public void getInferiorProcessId(DataRequestMonitor<String> rm) {
String pid = null;
if (fInferiorProcess != null) {
pid = fInferiorProcess.getPid();
}
rm.setData(pid);
rm.done();
}
@DsfServiceEventHandler
public void eventDispatched(ICommandControlShutdownDMEvent e) {
// Handle our "GDB Exited" event and stop processing commands.

9
plugins/org.eclipse.dd.gdb/src/org/eclipse/dd/gdb/internal/provisional/service/command/GDBControl_7_0.java
View file

@ -433,15 +433,6 @@ public class GDBControl_7_0 extends AbstractMIControl implements IGDBControl {
public IPath getExecutablePath() { return fExecPath; }
public void getInferiorProcessId(DataRequestMonitor<String> rm) {
String pid = null;
if (fInferiorProcess != null) {
pid = fInferiorProcess.getPid();
}
rm.setData(pid);
rm.done();
}
@DsfServiceEventHandler
public void eventDispatched(ICommandControlShutdownDMEvent e) {
// Handle our "GDB Exited" event and stop processing commands.

3
plugins/org.eclipse.dd.gdb/src/org/eclipse/dd/gdb/internal/provisional/service/command/IGDBControl.java
View file

@ -11,7 +11,6 @@
package org.eclipse.dd.gdb.internal.provisional.service.command;
import org.eclipse.core.runtime.IPath;
import org.eclipse.dd.dsf.concurrent.DataRequestMonitor;
import org.eclipse.dd.dsf.concurrent.RequestMonitor;
import org.eclipse.dd.dsf.debug.service.command.ICommandControlService;
import org.eclipse.dd.gdb.internal.provisional.launching.GdbLaunch;
@ -55,6 +54,4 @@ public interface IGDBControl extends ICommandControlService {
int getGDBExitCode();
IPath getExecutablePath();
void getInferiorProcessId(DataRequestMonitor<String> rm);
}

23
plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/IMIProcesses.java
View file

@ -54,6 +54,29 @@ public interface IMIProcesses extends IProcesses
IMIExecutionGroupDMContext createExecutionGroupContext(IProcessDMContext processDmc,
String groupId);
/**
* Retrieve the groupId to which this threadId belongs
*
* @param threadId The ID of the thread
* @return The ID of the group to which the specified thread belongs
*/
String getExecutionGroupIdFromThread(String threadId);
/**
* This method should be called when a new thread is created. It allows
* to keep track of the thread to group relationship.
*
* @param threadId The ID of the new thread
* @param groupId The ID of the group to which the new thread belongs
*/
void addThreadId(String threadId, String groupId);
/**
* This method should be called when a thread exits. It is meant
* to remove the thread to group entry.
*
* @param threadId The ID of the thread that exited
*/
void removeThreadId(String threadId);
}

16
plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIProcesses.java
View file

@ -553,8 +553,10 @@ public class MIProcesses extends AbstractDsfService implements IMIProcesses, ICa
// This service version only handles a single process to debug, therefore, we can simply
// create the context describing this process ourselves.
ICommandControlDMContext controlDmc = DMContexts.getAncestorOfType(dmc, ICommandControlDMContext.class);
IProcessDMContext procDmc = createProcessContext(controlDmc, UNIQUE_GROUP_ID);
IMIExecutionGroupDMContext newGroupDmc = createExecutionGroupContext(procDmc, UNIQUE_GROUP_ID);
// Get the groupId properly for the case of an attach
String groupId = getExecutionGroupIdFromThread(null);
IProcessDMContext procDmc = createProcessContext(controlDmc, groupId);
IMIExecutionGroupDMContext newGroupDmc = createExecutionGroupContext(procDmc, groupId);
rm.setData(new IContainerDMContext[] {newGroupDmc});
rm.done();
}
@ -647,4 +649,14 @@ public class MIProcesses extends AbstractDsfService implements IMIProcesses, ICa
fContainerCommandCache.reset(context);
}
public void addThreadId(String threadId, String groupId) {
// This version of the service does not support multiple
// processes, so there is nothing to do here
}
public void removeThreadId(String threadId) {
// This version of the service does not support multiple
// processes, so there is nothing to do here
}
}

3
plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/CLIEventProcessor_7_0.java
View file

@ -106,6 +106,9 @@ public class CLIEventProcessor_7_0
if (rr != null) {
// Check if the state changed.
String state = rr.getResultClass();
// This is not handled properly yet
// see bug 247161
if (fInferior != null && "error".equals(state)) { //$NON-NLS-1$
if (fInferior.getState() == MIInferiorProcess.State.RUNNING) {
fInferior.setState(MIInferiorProcess.State.STOPPED);

21
plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/command/MIRunControlEventProcessor_7_0.java
View file

@ -180,8 +180,15 @@ public class MIRunControlEventProcessor_7_0
IMIProcesses procService = fServicesTracker.getService(IMIProcesses.class);
if (groupId == null) {
groupId = procService.getExecutionGroupIdFromThread(threadId);
if ("thread-created".equals(miEvent)) { //$NON-NLS-1$
// Update the thread to groupId map with the new groupId
procService.addThreadId(threadId, groupId);
} else {
// It was not clear if MI would specify the groupId in the event
if (groupId == null) {
groupId = procService.getExecutionGroupIdFromThread(threadId);
}
procService.removeThreadId(threadId);
}
IProcessDMContext procDmc = procService.createProcessContext(fControlDmc, groupId);
IContainerDMContext processContainerDmc = procService.createExecutionGroupContext(procDmc, groupId);
@ -193,9 +200,7 @@ public class MIRunControlEventProcessor_7_0
event = new MIThreadExitEvent(processContainerDmc, exec.getToken(), threadId);
}
if (event != null) {
fCommandControl.getSession().dispatchEvent(event, fCommandControl.getProperties());
}
fCommandControl.getSession().dispatchEvent(event, fCommandControl.getProperties());
} else if ("thread-group-created".equals(miEvent) || "thread-group-exited".equals(miEvent)) { //$NON-NLS-1$ //$NON-NLS-2$
String groupId = null;
@ -222,9 +227,7 @@ public class MIRunControlEventProcessor_7_0
event = new MIThreadGroupExitedEvent(procDmc, exec.getToken(), groupId);
}
if (event != null) {
fCommandControl.getSession().dispatchEvent(event, fCommandControl.getProperties());
}
fCommandControl.getSession().dispatchEvent(event, fCommandControl.getProperties());
}
}
}
@ -253,6 +256,7 @@ public class MIRunControlEventProcessor_7_0
IMIProcesses procService = fServicesTracker.getService(IMIProcesses.class);
// MI does not currently provide the group-id in these events
if (groupId == null) {
groupId = procService.getExecutionGroupIdFromThread(threadId);
}
@ -319,7 +323,6 @@ public class MIRunControlEventProcessor_7_0
MIOutput output = cmdResult.getMIOutput();
MIResultRecord rr = output.getMIResultRecord();
if (rr != null) {
int id = rr.getToken();
// Check if the state changed.
String state = rr.getResultClass();
if ("running".equals(state)) { //$NON-NLS-1$

13
plugins/org.eclipse.dd.tests.gdb/src/org/eclipse/dd/tests/gdb/GDBProcessesTest.java
View file

@ -108,15 +108,10 @@ public class GDBProcessesTest extends BaseTestCase {
*/
fSession.getExecutor().submit(new Runnable() {
public void run() {
fGdbCtrl.getInferiorProcessId(
new DataRequestMonitor<String>(fSession.getExecutor(), rm) {
@Override
protected void handleSuccess() {
String pid = getData();
IProcessDMContext procDmc = fProcService.createProcessContext(fGdbCtrl.getContext(), pid);
fProcService.getExecutionData(procDmc, rm);
}
});
String pid = fProcService.getExecutionGroupIdFromThread(null);
IProcessDMContext procDmc = fProcService.createProcessContext(fGdbCtrl.getContext(), pid);
fProcService.getExecutionData(procDmc, rm);
}
});
/*

88
plugins/org.eclipse.dd.tests.gdb/src/org/eclipse/dd/tests/gdb/MIRunControlTest.java
View file

@ -115,16 +115,10 @@ public class MIRunControlTest extends BaseTestCase {
*/
fRunCtrl.getExecutor().submit(new Runnable() {
public void run() {
fGDBCtrl.getInferiorProcessId(
new DataRequestMonitor<String>(fRunCtrl.getExecutor(), rm) {
@Override
protected void handleSuccess() {
String pid = getData();
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
fRunCtrl.getExecutionContexts(groupDmc, rm);
}
});
String pid = fProcService.getExecutionGroupIdFromThread(null);
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
fRunCtrl.getExecutionContexts(groupDmc, rm);
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
@ -207,16 +201,10 @@ public class MIRunControlTest extends BaseTestCase {
*/
fRunCtrl.getExecutor().submit(new Runnable() {
public void run() {
fGDBCtrl.getInferiorProcessId(
new DataRequestMonitor<String>(fRunCtrl.getExecutor(), rmExecutionCtxts) {
@Override
protected void handleSuccess() {
String pid = getData();
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
fRunCtrl.getExecutionContexts(groupDmc, rmExecutionCtxts);
}
});
String pid = fProcService.getExecutionGroupIdFromThread(null);
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
fRunCtrl.getExecutionContexts(groupDmc, rmExecutionCtxts);
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
@ -265,16 +253,10 @@ public class MIRunControlTest extends BaseTestCase {
*/
fRunCtrl.getExecutor().submit(new Runnable() {
public void run() {
fGDBCtrl.getInferiorProcessId(
new DataRequestMonitor<String>(fRunCtrl.getExecutor(), rm) {
@Override
protected void handleSuccess() {
String pid = getData();
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
fRunCtrl.getExecutionData(fRunCtrl.createMIExecutionContext(groupDmc, 1), rm);
}
});
String pid = fProcService.getExecutionGroupIdFromThread(null);
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
fRunCtrl.getExecutionData(fRunCtrl.createMIExecutionContext(groupDmc, 1), rm);
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
@ -490,16 +472,10 @@ public class MIRunControlTest extends BaseTestCase {
fRunCtrl.getExecutor().submit(new Runnable() {
public void run() {
fGDBCtrl.getInferiorProcessId(
new DataRequestMonitor<String>(fRunCtrl.getExecutor(), rm) {
@Override
protected void handleSuccess() {
String pid = getData();
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
fRunCtrl.resume(groupDmc, rm);
}
});
String pid = fProcService.getExecutionGroupIdFromThread(null);
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
fRunCtrl.resume(groupDmc, rm);
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
@ -516,18 +492,12 @@ public class MIRunControlTest extends BaseTestCase {
wait.waitReset();
fRunCtrl.getExecutor().submit(new Runnable() {
public void run() {
fGDBCtrl.getInferiorProcessId(
new DataRequestMonitor<String>(fRunCtrl.getExecutor(), null) {
@Override
protected void handleCompleted() {
String pid = getData();
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
String pid = fProcService.getExecutionGroupIdFromThread(null);
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
wait.setReturnInfo(fRunCtrl.isSuspended(groupDmc));
wait.waitFinished();
}
});
wait.setReturnInfo(fRunCtrl.isSuspended(groupDmc));
wait.waitFinished();
}
});
@ -577,18 +547,12 @@ public class MIRunControlTest extends BaseTestCase {
wait.waitReset();
fRunCtrl.getExecutor().submit(new Runnable() {
public void run() {
fGDBCtrl.getInferiorProcessId(
new DataRequestMonitor<String>(fRunCtrl.getExecutor(), null) {
@Override
protected void handleCompleted() {
String pid = getData();
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
String pid = fProcService.getExecutionGroupIdFromThread(null);
IProcessDMContext procDmc = fProcService.createProcessContext(fGDBCtrl.getContext(), pid);
IContainerDMContext groupDmc = fProcService.createExecutionGroupContext(procDmc, pid);
wait.setReturnInfo(fRunCtrl.isSuspended(groupDmc));
wait.waitFinished();
}
});
wait.setReturnInfo(fRunCtrl.isSuspended(groupDmc));
wait.waitFinished();
}
});