Function IOS_JoinThread

src/libdecaf/src/ios/kernel/ios_kernel_thread.cpp:134–179

}

Error
IOS_JoinThread(ThreadId id,
               phys_ptr<Error> returnedValue)
{
   auto currentThread = internal::getCurrentThread();

   if (!id) {
      id = currentThread->id;
   } else if (id >= sData->threads.size()) {
      return Error::Invalid;
   }

   auto thread = phys_addrof(sData->threads[id]);
   if (thread->pid != currentThread->pid) {
      // Can only join threads belonging to the same process.
      return Error::Invalid;
   }

   if (thread == currentThread) {
      // Can't join self.
      return Error::Invalid;
   }

   if (thread->flags & ThreadFlags::Detached) {
      // Can't join a detached thread.
      return Error::Invalid;
   }

   /*
   if (thread->unknown0x64 != dword_81430D4) {
      return Error::Invalid;
   }
   */

   if (thread->state != ThreadState::Dead) {
      internal::sleepThread(phys_addrof(thread->joinQueue));
      internal::reschedule();
   }

   if (returnedValue) {
      *returnedValue = thread->exitValue;
   }

   thread->state = ThreadState::Available;
   return Error::OK;
}

Error
IOS_CancelThread(ThreadId id,