__init__.py 文件源码

def handlePosixSignal(self, sig):

        if sig == signal.SIGTRAP:
            # FIXME I think we can catch these!
            # Traps on posix systems are a little complicated
            if self.stepping:
                self.stepping = False
                self.fireNotifiers(vtrace.NOTIFY_STEP)

            # FIXME and these too...
            elif self.checkBreakpoints():
                # It was either a known BP or a sendBreak()
                return

            elif self.execing:
                self.execing = False
                self.handleAttach()

            else:
                self._fireSignal(sig)

        elif sig == signal.SIGSTOP:
            # We get a regular POSIX stop signal on attach
            #self.attaching = False
            self.handleAttach()

        else:
            self._fireSignal(sig)