tests/testlib/sigpipe-worker.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Thu, 30 Sep 2021 15:28:42 +0200
changeset 48094 3fe500d15e7c
parent 47618 27ff81547d35
child 48875 6000f5b25c9b
permissions -rwxr-xr-x
dirstate-item: use `tracked` instead of the `state` in context's iter Differential Revision: https://phab.mercurial-scm.org/D11531

#!/usr/bin/env python3
#
# This is literally `cat` but in python, one char at a time.
#
# see sigpipe-remote.py for details.
from __future__ import print_function

import io
import os
import sys


if isinstance(sys.stdout.buffer, io.BufferedWriter):
    print('SIGPIPE-WORKER: script need unbuffered output', file=sys.stderr)
    sys.exit(255)

while True:
    c = os.read(sys.stdin.fileno(), 1)
    os.write(sys.stdout.fileno(), c)