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WinRT winmain: enable debugger waiting

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WinRT applications are not invoked directly, so a debugger may attach too
late to be useful. While the application can be launched with a debugging
server, attaching directly to the running process is simpler and less
resource-intensive. For this reason, it is useful for applications to
wait for the direct debugger to attach. If the existing -qdebug parameter
is passed to the application, wait idly until the debugger attaches.

Change-Id: I7b4957beb9728ab6311b459e4d809dc5f4767780
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
This commit is contained in:
Andrew Knight 2013-10-03 12:19:52 +03:00 committed by The Qt Project
parent cb82b3e891
commit 69e78b9a07
1 changed files with 9 additions and 1 deletions
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10
src/winmain/qtmain_winrt.cpp
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@ -69,7 +69,7 @@ typedef ITypedEventHandler<Core::CoreApplicationView *, Activation::IActivatedEv
class AppContainer : public Microsoft::WRL::RuntimeClass<Core::IFrameworkView>
{
public:
AppContainer(int argc, wchar_t **argv) : m_argc(argc)
AppContainer(int argc, wchar_t **argv) : m_argc(argc), m_debugWait(false)
{
m_argv.reserve(argc);
for (int i = 0; i < argc; ++i) {
@ -95,6 +95,11 @@ public:
HRESULT __stdcall Load(HSTRING) { return S_OK; }
HRESULT __stdcall Run()
{
// Wait for debugger before continuing
if (m_debugWait) {
while (!IsDebuggerPresent())
WaitForSingleObjectEx(GetCurrentThread(), 1, true);
}
return main(m_argv.count(), m_argv.data());
}
HRESULT __stdcall Uninitialize() { return S_OK; }
@ -113,6 +118,8 @@ private:
foreach (const QByteArray &arg, QString::fromWCharArray(
WindowsGetStringRawBuffer(arguments, nullptr)).toLocal8Bit().split(' ')) {
m_argv.append(qstrdup(arg.constData()));
if (arg == "-qdebug")
m_debugWait = true;
}
}
return S_OK;
@ -120,6 +127,7 @@ private:
int m_argc;
QVector<char *> m_argv;
bool m_debugWait;
EventRegistrationToken m_activationToken;
};