def attachio(self):
"""Attach to client's stdio passed via unix domain socket; all
channels except cresult will no longer be used
"""
# tell client to sendmsg() with 1-byte payload, which makes it
# distinctive from "attachio\n" command consumed by client.read()
self.clientsock.sendall(struct.pack('>cI', 'I', 1))
clientfds = osutil.recvfds(self.clientsock.fileno())
_log('received fds: %r\n' % clientfds)
ui = self.ui
ui.flush()
first = self._saveio()
for fd, (cn, fn, mode) in zip(clientfds, _iochannels):
assert fd > 0
fp = getattr(ui, fn)
os.dup2(fd, fp.fileno())
os.close(fd)
if not first:
continue
# reset buffering mode when client is first attached. as we want
# to see output immediately on pager, the mode stays unchanged
# when client re-attached. ferr is unchanged because it should
# be unbuffered no matter if it is a tty or not.
if fn == 'ferr':
newfp = fp
else:
# make it line buffered explicitly because the default is
# decided on first write(), where fout could be a pager.
if fp.isatty():
bufsize = 1 # line buffered
else:
bufsize = -1 # system default
newfp = os.fdopen(fp.fileno(), mode, bufsize)
setattr(ui, fn, newfp)
setattr(self, cn, newfp)
self.cresult.write(struct.pack('>i', len(clientfds)))
def attachio(self):
"""Attach to client's stdio passed via unix domain socket; all
channels except cresult will no longer be used
"""
# tell client to sendmsg() with 1-byte payload, which makes it
# distinctive from "attachio\n" command consumed by client.read()
self.clientsock.sendall(struct.pack('>cI', 'I', 1))
clientfds = osutil.recvfds(self.clientsock.fileno())
_log('received fds: %r\n' % clientfds)
ui = self.ui
ui.flush()
first = self._saveio()
for fd, (cn, fn, mode) in zip(clientfds, _iochannels):
assert fd > 0
fp = getattr(ui, fn)
os.dup2(fd, fp.fileno())
os.close(fd)
if not first:
continue
# reset buffering mode when client is first attached. as we want
# to see output immediately on pager, the mode stays unchanged
# when client re-attached. ferr is unchanged because it should
# be unbuffered no matter if it is a tty or not.
if fn == 'ferr':
newfp = fp
else:
# make it line buffered explicitly because the default is
# decided on first write(), where fout could be a pager.
if fp.isatty():
bufsize = 1 # line buffered
else:
bufsize = -1 # system default
newfp = os.fdopen(fp.fileno(), mode, bufsize)
setattr(ui, fn, newfp)
setattr(self, cn, newfp)
self.cresult.write(struct.pack('>i', len(clientfds)))