code: def syscall_noreturn(self, func):
          '''
          Call a syscall method. A syscall method is executed outside of any routines, directly
          in the scheduler loop, which gives it chances to directly operate the event loop.
          See :py:method::`vlcp.event.core.Scheduler.syscall`.
          '''
          matcher = self.scheduler.syscall(func)
          while not matcher:
              yield
              matcher = self.scheduler.syscall(func)
          ev, _ = yield (matcher,)
          return ef syscall_noreturn(self, func):
          '''
          Call a syscall method. A syscall method is executed outside of any routines, directly
          in the scheduler loop, which gives it chances to directly operate the event loop.
          See :py:method::`vlcp.event.core.Scheduler.syscall`.
          '''
          matcher = self.scheduler.syscall(func)
          while not matcher:
              yield
              matcher = self.scheduler.syscall(func)
          ev, _ = yield (matcher,)
          return ev
docs: Call a syscall method. A syscall method is executed outside of any routines, directly
          in the scheduler loop, which gives it chances to directly operate the event loop.
          See :py:method::`vlcp.event.core.Scheduler.syscall`.