view tests/killdaemons.py @ 17920:4a4173519b63

run-tests: remove resultslock since it serves no useful purpose Each child process has its own copy of the results dict, so all access to the results dict is serial.
author Siddharth Agarwal <sid0@fb.com>
date Fri, 09 Nov 2012 15:09:35 -0800
parents d5a3bda6e170
children b5f43dbf64ca
line wrap: on
line source

#!/usr/bin/env python

import os, sys, time, errno, signal

if os.name =='nt':
    import ctypes
    def kill(pid, logfn, tryhard=True):
        logfn('# Killing daemon process %d' % pid)
        PROCESS_TERMINATE = 1
        handle = ctypes.windll.kernel32.OpenProcess(
                PROCESS_TERMINATE, False, pid)
        ctypes.windll.kernel32.TerminateProcess(handle, -1)
        ctypes.windll.kernel32.CloseHandle(handle)
else:
    def kill(pid, logfn, tryhard=True):
        try:
            os.kill(pid, 0)
            logfn('# Killing daemon process %d' % pid)
            os.kill(pid, signal.SIGTERM)
            if tryhard:
                for i in range(10):
                    time.sleep(0.05)
                    os.kill(pid, 0)
            else:
                time.sleep(0.1)
                os.kill(pid, 0)
            logfn('# Daemon process %d is stuck - really killing it' % pid)
            os.kill(pid, signal.SIGKILL)
        except OSError, err:
            if err.errno != errno.ESRCH:
                raise

def killdaemons(pidfile, tryhard=True, remove=False, logfn=None):
    if not logfn:
        logfn = lambda s: s
    # Kill off any leftover daemon processes
    try:
        fp = open(pidfile)
        for line in fp:
            try:
                pid = int(line)
            except ValueError:
                continue
            kill(pid, logfn, tryhard)
        fp.close()
        if remove:
            os.unlink(pidfile)
    except IOError:
        pass

if __name__ == '__main__':
    path, = sys.argv[1:]
    killdaemons(path)