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lldb: move away from local sockets to stdio coms

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can now pluginto any host via ssh.
define QTC_LLDB_GUEST=/some/script in the env
where script is a wrapper that does ssh, or whatever you need
This commit is contained in:
Arvid Ephraim Picciani
2010-11-29 17:02:01 +01:00
parent 0ba7fd6720
commit 776a45df68
10 changed files with 160 additions and 63 deletions
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50
src/plugins/debugger/lldb/lldbenginehost.cpp
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@@ -54,8 +54,6 @@
#include <QtCore/QFileInfo>
#include <QtCore/QThread>
#include <QtCore/QCoreApplication>
#include <QtNetwork/QLocalSocket>
#include <QtNetwork/QLocalServer>
namespace Debugger {
namespace Internal {
@@ -65,33 +63,31 @@ LldbEngineHost::LldbEngineHost(const DebuggerStartParameters &startParameters)
{
showMessage(QLatin1String("setting up coms"));
QLocalServer *s = new QLocalServer(this);
s->removeServer(QLatin1String("/tmp/qtcreator-debuggeripc"));
s->listen(QLatin1String("/tmp/qtcreator-debuggeripc"));
m_guestProcess = new QProcess(this);
m_guestProcess->setProcessChannelMode(QProcess::ForwardedChannels);
connect(m_guestProcess, SIGNAL(finished(int, QProcess::ExitStatus)),
this, SLOT(finished(int, QProcess::ExitStatus)));
showStatusMessage(QLatin1String("starting qtcreator-lldb"));
connect(m_guestProcess, SIGNAL(readyReadStandardError()), this,
SLOT(stderrReady()));
QString a = Core::ICore::instance()->resourcePath() + QLatin1String("/qtcreator-lldb");
if(getenv("QTC_LLDB_GUEST") != 0)
a = QString::fromLocal8Bit(getenv("QTC_LLDB_GUEST"));
showStatusMessage(QString(QLatin1String("starting %1")).arg(a));
m_guestProcess->start(a, QStringList());
m_guestProcess->setReadChannel(QProcess::StandardOutput);
if (!m_guestProcess->waitForStarted()) {
showStatusMessage(tr("qtcreator-lldb failed to start"));
notifyEngineIll();
showStatusMessage(tr("qtcreator-lldb failed to start %1").arg(m_guestProcess->error()));
notifyEngineSpontaneousShutdown();
return;
}
showMessage(QLatin1String("connecting"));
s->waitForNewConnection(-1);
QLocalSocket *f = s->nextPendingConnection();
s->close(); // wtf race in accept
showMessage(QLatin1String("connected"));
setGuestDevice(f);
setGuestDevice(m_guestProcess);
}
LldbEngineHost::~LldbEngineHost()
@@ -103,10 +99,26 @@ LldbEngineHost::~LldbEngineHost()
m_guestProcess->kill();
}
void LldbEngineHost::finished(int, QProcess::ExitStatus)
void LldbEngineHost::nuke()
{
showStatusMessage(tr("lldb crashed"));
notifyEngineIll();
stderrReady();
showMessage(QLatin1String("Nuke engaged. Bug in Engine/IPC or incompatible IPC versions. "), LogError);
showStatusMessage(tr("Fatal engine shutdown. Consult debugger log for details."));
m_guestProcess->terminate();
m_guestProcess->kill();
notifyEngineSpontaneousShutdown();
}
void LldbEngineHost::finished(int, QProcess::ExitStatus status)
{
showMessage(QString(QLatin1String("guest went bye bye. exit status: %1 and code: %2"))
.arg(status).arg(m_guestProcess->exitCode()), LogError);
nuke();
}
void LldbEngineHost::stderrReady()
{
fprintf(stderr,"%s", m_guestProcess->readAllStandardError().data());
}
DebuggerEngine *createLldbEngine(const DebuggerStartParameters &startParameters)