Python 版的 PinkTrace 示例 pink-fork-linux.py，,pink-fork-li

Python 版的 PinkTrace 示例 pink-fork-linux.py，,pink-fork-li

pink-fork-linux.py

#!/usr/bin/env python# coding: utf-8# vim: set sw=4 ts=4 sts=4 et :"""An example demonstrating the tracing fork on Linux."""from __future__ import print_functionimport os, signalimport pinktrace.eventimport pinktrace.tracepid = os.fork()if not pid:    # Prepare for tracing.    pinktrace.trace.me()    # Stop to give the parent a chance to resume execution after setting options.    os.kill(os.getpid(), signal.SIGSTOP)    print("hello world")else: # parent    pid, status = os.waitpid(pid, 0)    event = pinktrace.event.decide(status)    assert event == pinktrace.event.EVENT_STOP, "%#x" % status    # Set tracing options    pinktrace.trace.setup(pid)    # Let the child resume its execution.    pinktrace.trace.resume(pid)    # Wait for the child to exit.    os.waitpid(pid, 0)