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debugger: gracefully handle commands that might not produce output

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(cherry picked from commit 1324a1c600)

Conflicts:

	src/plugins/debugger/gdb/gdbengine.cpp
	src/plugins/debugger/gdb/gdbengine.h
This commit is contained in:
con
2010-01-06 15:52:14 +01:00
parent 0de840cb43
commit db68ca5b8d
4 changed files with 59 additions and 21 deletions
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51
src/plugins/debugger/gdb/gdbengine.cpp
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@@ -617,7 +617,7 @@ void GdbEngine::readGdbStandardError()
void GdbEngine::readGdbStandardOutput()
{
if (m_commandTimer->isActive())
if (m_commandTimer->isActive())
m_commandTimer->start(); // Retrigger
int newstart = 0;
@@ -816,19 +816,48 @@ void GdbEngine::flushCommand(const GdbCommand &cmd0)
setState(InferiorShuttingDown);
}
int GdbEngine::commandTimeoutTime() const
{
int time = theDebuggerAction(GdbWatchdogTimeout)->value().toInt();
return 1000 * qMax(20, time);
}
void GdbEngine::commandTimeout()
{
// FIXME this needs a proper message box
debugMessage(_("TIMED OUT WAITING FOR GDB REPLY. COMMANDS STILL IN PROGRESS:"));
qDebug("TIMEOUT");
QList<int> keys = m_cookieForToken.keys();
qSort(keys);
bool killIt = false;
foreach (int key, keys) {
const GdbCommand &cmd = m_cookieForToken[key];
const GdbCommand &cmd = m_cookieForToken.value(key);
if (!(cmd.flags & NonCriticalResponse))
killIt = true;
debugMessage(_(" %1: %2 => %3").arg(key).arg(cmd.command).arg(_(cmd.callbackName)));
}
// This is an entirely undefined state, so we just pull the emergency brake.
setState(EngineShuttingDown, true);
m_gdbProc.kill();
if (killIt) {
debugMessage(_("TIMED OUT WAITING FOR GDB REPLY. COMMANDS STILL IN PROGRESS:"));
int timeOut = m_commandTimer->interval();
//m_commandTimer->stop();
QString msg = tr("The gdb process has not produced any response "
"to a command within %1 seconds. This may been it is stuck "
"in an endless loop or taking longer than expected to perform "
"the operation it was reqested.\nYou have a choice of waiting "
"longer or abort debugging.").arg(timeOut);
QMessageBox *mb = showMessageBox(QMessageBox::Critical,
tr("Gdb not responding"), msg,
QMessageBox::Ok | QMessageBox::Cancel);
mb->button(QMessageBox::Cancel)->setText(tr("Give gdb more time"));
mb->button(QMessageBox::Ok)->setText(tr("Stop debugging"));
if (mb->exec() == QMessageBox::Ok) {
debugMessage(_("KILLING DEBUGGER AS REQUESTED BY USER"));
// This is an undefined state, so we just pull the emergency brake.
manager()->watchHandler()->endCycle();
setState(EngineShuttingDown, true);
m_gdbProc.kill();
} else {
debugMessage(_("CONTINUE DEBUGGER AS REQUESTED BY USER"));
}
}
}
void GdbEngine::handleResultRecord(GdbResponse *response)
@@ -2960,7 +2989,7 @@ void GdbEngine::runDebuggingHelper(const WatchData &data0, bool dumpChildren)
<<',' << addr << ',' << (dumpChildren ? "1" : "0")
<< ',' << extraArgs.join(QString(_c(','))) << ')';
postCommand(cmd, WatchUpdate | EmbedToken);
postCommand(cmd, WatchUpdate | EmbedToken | NonCriticalResponse);
showStatusMessage(msgRetrievingWatchData(m_pendingRequests + 1), 10000);
@@ -4347,6 +4376,7 @@ bool GdbEngine::startGdb(const QStringList &args, const QString &gdb, const QStr
SLOT(readGdbStandardError()));
debugMessage(_("GDB STARTED, INITIALIZING IT"));
m_commandTimer->setInterval(commandTimeoutTime());
postCommand(_("show version"), CB(handleShowVersion));
postCommand(_("-interpreter-exec console \"help bb\""),
@@ -4573,9 +4603,10 @@ void GdbEngine::addOptionPages(QList<Core::IOptionsPage*> *opts) const
opts->push_back(new TrkOptionsPage(m_trkOptions));
}
void GdbEngine::showMessageBox(int icon, const QString &title, const QString &text)
QMessageBox * GdbEngine::showMessageBox(int icon, const QString &title,
const QString &text, int buttons)
{
m_manager->showMessageBox(icon, title, text);
return m_manager->showMessageBox(icon, title, text, buttons);
}
bool GdbEngine::isSynchroneous() const