tests/killdaemons.py
author timeless@mozdev.org
Fri, 17 Aug 2012 13:58:18 -0700
branchstable
changeset 1129 b90bb2b0826a
parent 1128 7f09e7ac63a7
child 1329 10d0d9d5c0f0
permissions -rw-r--r--
spelling: destination [ original upstream message ]
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#!/usr/bin/env python
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import os, sys, time, errno, signal
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if os.name =='nt':
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    import ctypes
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    def kill(pid, logfn, tryhard=True):
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        logfn('# Killing daemon process %d' % pid)
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        PROCESS_TERMINATE = 1
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        handle = ctypes.windll.kernel32.OpenProcess(
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                PROCESS_TERMINATE, False, pid)
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        ctypes.windll.kernel32.TerminateProcess(handle, -1)
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        ctypes.windll.kernel32.CloseHandle(handle)
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else:
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    def kill(pid, logfn, tryhard=True):
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        try:
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            os.kill(pid, 0)
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            logfn('# Killing daemon process %d' % pid)
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            os.kill(pid, signal.SIGTERM)
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            if tryhard:
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                for i in range(10):
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                    time.sleep(0.05)
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                    os.kill(pid, 0)
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            else:
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                time.sleep(0.1)
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                os.kill(pid, 0)
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            logfn('# Daemon process %d is stuck - really killing it' % pid)
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            os.kill(pid, signal.SIGKILL)
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        except OSError, err:
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            if err.errno != errno.ESRCH:
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                raise
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def killdaemons(pidfile, tryhard=True, remove=False, logfn=None):
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    if not logfn:
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        logfn = lambda s: s
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    # Kill off any leftover daemon processes
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    try:
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        fp = open(pidfile)
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        for line in fp:
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            try:
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                pid = int(line)
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            except ValueError:
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                continue
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            kill(pid, logfn, tryhard)
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        fp.close()
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        if remove:
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            os.unlink(pidfile)
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    except IOError:
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        pass
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if __name__ == '__main__':
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    path, = sys.argv[1:]
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    killdaemons(path)
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