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catch TERM signal in command processor

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catch TERM signal in command processor

This keeps kill from interrupting a transaction without cleanup.

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This commit is contained in:
mpm@selenic.com 2005-06-01 13:04:13 -08:00
parent f1f83067d7
commit dd6fb288d8
1 changed files with 10 additions and 1 deletions
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11
mercurial/commands.py
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@ -1,4 +1,4 @@
import os, re, traceback, sys import os, re, traceback, sys, signal
from mercurial import fancyopts, ui, hg from mercurial import fancyopts, ui, hg
class UnknownCommand(Exception): pass class UnknownCommand(Exception): pass
@ -159,6 +159,11 @@ def find(cmd):
raise UnknownCommand(cmd) raise UnknownCommand(cmd)
class SignalInterrupt(Exception): pass
def catchterm(*args):
raise SignalInterrupt
def dispatch(args): def dispatch(args):
options = {} options = {}
opts = [('v', 'verbose', None, 'verbose'), opts = [('v', 'verbose', None, 'verbose'),
@ -181,6 +186,8 @@ def dispatch(args):
# deal with unfound commands later # deal with unfound commands later
i = find(cmd) i = find(cmd)
signal.signal(signal.SIGTERM, catchterm)
cmdoptions = {} cmdoptions = {}
args = fancyopts.fancyopts(args, i[1], cmdoptions, i[2]) args = fancyopts.fancyopts(args, i[1], cmdoptions, i[2])
@ -192,6 +199,8 @@ def dispatch(args):
try: try:
d() d()
except SignalInterrupt:
u.warn("killed!\n")
except KeyboardInterrupt: except KeyboardInterrupt:
u.warn("interrupted!\n") u.warn("interrupted!\n")
except TypeError, inst: except TypeError, inst: