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b2b2981488
Summary: Follow upstream Mercurial: https://www.mercurial-scm.org/repo/hg/rev/d4ba4d51f85f Ran the following two commands: ``` rg -l 'Matt Mackall' | xargs sed -i -e "s/Matt Mackall <mpm@selenic.com>/Olivia Mackall <olivia@selenic.com>/g" rg -l 'Matt Mackall' | xargs sed -i -e "s/Matt Mackall/Olivia Mackall/g" ``` allow-large-files Reviewed By: quark-zju Differential Revision: D36420384 fbshipit-source-id: 21497f0ecd775dcdd7475ddc79adba2e2d1920ff
142 lines
4.6 KiB
Python
Executable File
142 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python
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# Portions Copyright (c) Meta Platforms, Inc. and affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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# Copyright 2006, 2007 Olivia Mackall <olivia@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import errno
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import os
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import signal
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import sys
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import time
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if os.name == "nt":
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import ctypes
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_BOOL = ctypes.c_long
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_DWORD = ctypes.c_ulong
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_UINT = ctypes.c_uint
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_HANDLE = ctypes.c_void_p
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ctypes.windll.kernel32.CloseHandle.argtypes = [_HANDLE]
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ctypes.windll.kernel32.CloseHandle.restype = _BOOL
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ctypes.windll.kernel32.GetLastError.argtypes = []
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ctypes.windll.kernel32.GetLastError.restype = _DWORD
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ctypes.windll.kernel32.OpenProcess.argtypes = [_DWORD, _BOOL, _DWORD]
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ctypes.windll.kernel32.OpenProcess.restype = _HANDLE
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ctypes.windll.kernel32.TerminateProcess.argtypes = [_HANDLE, _UINT]
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ctypes.windll.kernel32.TerminateProcess.restype = _BOOL
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ctypes.windll.kernel32.WaitForSingleObject.argtypes = [_HANDLE, _DWORD]
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ctypes.windll.kernel32.WaitForSingleObject.restype = _DWORD
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def _check(ret, expectederr=None):
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if ret == 0:
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winerrno = ctypes.GetLastError()
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if winerrno == expectederr:
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return True
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raise ctypes.WinError(winerrno)
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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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PROCESS_QUERY_INFORMATION = 0x400
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SYNCHRONIZE = 0x00100000
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WAIT_OBJECT_0 = 0
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WAIT_TIMEOUT = 258
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WAIT_FAILED = _DWORD(0xFFFFFFFF).value
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handle = ctypes.windll.kernel32.OpenProcess(
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PROCESS_TERMINATE | SYNCHRONIZE | PROCESS_QUERY_INFORMATION, False, pid
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)
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if handle is None:
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_check(0, 87) # err 87 when process not found
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return # process not found, already finished
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try:
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r = ctypes.windll.kernel32.WaitForSingleObject(handle, 100)
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if r == WAIT_OBJECT_0:
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pass # terminated, but process handle still available
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elif r == WAIT_TIMEOUT:
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_check(ctypes.windll.kernel32.TerminateProcess(handle, -1))
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elif r == WAIT_FAILED:
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_check(0) # err stored in GetLastError()
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# TODO?: forcefully kill when timeout
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# and ?shorter waiting time? when tryhard==True
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r = ctypes.windll.kernel32.WaitForSingleObject(handle, 100)
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# timeout = 100 ms
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if r == WAIT_OBJECT_0:
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pass # process is terminated
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elif r == WAIT_TIMEOUT:
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logfn("# Daemon process %d is stuck")
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elif r == WAIT_FAILED:
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_check(0) # err stored in GetLastError()
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except: # re-raises
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ctypes.windll.kernel32.CloseHandle(handle) # no _check, keep error
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raise
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_check(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 as 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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pids = []
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with open(pidfile) as fp:
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for line in fp:
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try:
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pid = int(line)
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if pid <= 0:
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raise ValueError
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except ValueError:
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logfn(
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"# Not killing daemon process %s - invalid pid" % line.rstrip()
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)
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continue
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pids.append(pid)
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for pid in pids:
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kill(pid, logfn, tryhard)
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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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if len(sys.argv) > 1:
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(path,) = sys.argv[1:]
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else:
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path = os.environ["DAEMON_PIDS"]
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killdaemons(path)
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