_psbsd.py 文件源码

def cmdline(self):
        if OPENBSD and self.pid == 0:
            return None  # ...else it crashes
        elif NETBSD:
            # XXX - most of the times the underlying sysctl() call on Net
            # and Open BSD returns a truncated string.
            # Also /proc/pid/cmdline behaves the same so it looks
            # like this is a kernel bug.
            try:
                return cext.proc_cmdline(self.pid)
            except OSError as err:
                if err.errno == errno.EINVAL:
                    if not pid_exists(self.pid):
                        raise NoSuchProcess(self.pid, self._name)
                    else:
                        raise ZombieProcess(self.pid, self._name, self._ppid)
                else:
                    raise
        else:
            return cext.proc_cmdline(self.pid)