rust-chg: install signal handlers to forward signals to server
I use sync::Once as a synchronization primitive because it's quite easy
to use, and is good enough to prevent data race in these C functions.
# A dummy extension that installs an hgweb command that throws an Exception.
from __future__ import absolute_import
from mercurial.hgweb import (
webcommands,
)
def raiseerror(web):
'''Dummy web command that raises an uncaught Exception.'''
# Simulate an error after partial response.
if 'partialresponse' in web.req.qsparams:
web.res.status = b'200 Script output follows'
web.res.headers[b'Content-Type'] = b'text/plain'
web.res.setbodywillwrite()
list(web.res.sendresponse())
web.res.getbodyfile().write(b'partial content\n')
raise AttributeError('I am an uncaught error!')
def extsetup(ui):
setattr(webcommands, 'raiseerror', raiseerror)
webcommands.__all__.append('raiseerror')