Qt 6.x doesn't have thread naming feature for QThreads on VxWorks

In 5.15 Qt VxWorks it is possible to set the threads name, it's missing from 6.x

— /home/karim/Qt/5.15.14/Src/qtbase/src/corelib/thread/qthread_p.h
+++ /home/karim/src/qt-everywhere-src-5.15.14-vx/qtbase/src/corelib/thread/qthread_p.h
@@ -186,6 +186,10 @@

#endif // Q_OS_UNIX

+#ifdef Q_OS_VXWORKS
+ std::string name;
+#endif // Q_OS_VXWORKS
+
#ifdef Q_OS_WIN
static unsigned int __stdcall start(void *) noexcept;
static void finish(void *, bool lockAnyway=true) noexcept;

— /home/karim/Qt/5.15.14/Src/qtbase/src/corelib/thread/qthread_unix.cpp
+++ /home/karim/src/qt-everywhere-src-5.15.14-vx/qtbase/src/corelib/thread/qthread_unix.cpp
@@ -116,6 +116,13 @@

static void destroy_current_thread_data(void *p)

{ +#if defined(Q_OS_VXWORKS_GNU) + // Calling setspecific(..., 0) sets the value to 0 for ALL threads. + // The 'set to 1' workaround adds a bit of an overhead though, + // since this function is called twice now. + if (p == (void *)1) + return; +#endif QThreadData *data = static_cast<QThreadData *>(p); // thread_local variables are set to zero before calling this destructor function, // if they are internally using pthread-specific data management, @@ -577,7 +584,7 @@ int prio_min; int prio_max; -#if defined(Q_OS_VXWORKS) && defined(VXWORKS_DKM) +#if defined(Q_OS_VXWORKS) // for other scheduling policies than SCHED_RR or SCHED_FIFO prio_min = SCHED_FIFO_LOW_PRI; prio_max = SCHED_FIFO_HIGH_PRI; @@ -686,6 +693,14 @@ return; }

}
+#if defined(Q_OS_VXWORKS)
+ if (Q_LIKELY(objectName().isEmpty()))
+ d->name = metaObject()->className();
+ else
+ d->name = objectName().toLocal8Bit().data();
+
+ pthread_attr_setname(&attr, &d->name[0]);
+#endif

#ifdef Q_OS_INTEGRITY
if (Q_LIKELY(objectName().isEmpty()))