KGlobalAccel: Fix deadlock on exit under Windows
Summary:
KDE applications dead-lock on exit without this patch. Need to free all
DBus resources before qApp exits.
Stack trace:
ntdll.dll!NtWaitForSingleObject() Unknown KernelBase.dll!WaitForSingleObjectEx() Unknown
Qt5Core.dll!QWaitCondition::wait(QMutex * mutex=0x000001e2ae2edbf0, unsigned long time=4294967295) Line 178 C++
Qt5Core.dll!QSemaphore::acquire(int n=1) Line 136 C++ Qt5Core.dll!QMetaObject::activate(QObject * sender=0x000001e2a7809450, int signalOffset, int local_signal_index, void * * argv=0x00000031c07af0d0) Line 3699 C++ Qt5Core.dll!QObject::~QObject() Line 913 C++ KF5GlobalAccel.dll!00007fff3101a115() Unknown Qt5Core.dll!QObjectPrivate::deleteChildren() Line 1960 C++ Qt5Core.dll!QObject::~QObject() Line 1034 C++ KF5GlobalAccel.dll!00007fff31036670() Unknown ucrtbase.dll!_time64() Unknown ucrtbase.dll!__crt_seh_guarded_call<int>::operator()<class <lambda_e24bbb7b643b32fcea6fa61b31d4c984>,class <lambda_275893d493268fdec8709772e3fcec0e> &,class <lambda_9d71df4d7cf3f480f8d633942495c3b0> >(class <lambda_e24bbb7b643b32fcea6fa61b31d4c984> &&,class <lambda_275893d493268fdec8709772e3fcec0e> &,class <lambda_9d71df4d7cf3f480f8d633942495c3b0> &&) Unknown ucrtbase.dll!_execute_onexit_table() Unknown KF5GlobalAccel.dll!00007fff3102df62() Unknown KF5GlobalAccel.dll!00007fff3102e09e() Unknown ntdll.dll!LdrpCallInitRoutine() Unknown ntdll.dll!LdrShutdownProcess() Unknown ntdll.dll!RtlExitUserProcess() Unknown kernel32.dll!ExitProcessImplementation() Unknown ucrtbase.dll!swprintf() Unknown ucrtbase.dll!swprintf() Unknown kdevelop.exe!__scrt_common_main_seh() Line 266 C++ kernel32.dll!BaseThreadInitThunk() Unknown ntdll.dll!RtlUserThreadStart() Unknown
Similar patch: https://phabricator.kde.org/D1909
Reviewers: vonreth, graesslin, dfaure
Reviewed By: graesslin, dfaure
Subscribers: graesslin, Frameworks
Differential Revision: https://phabricator.kde.org/D2142