view tests/testlib/sigpipe-worker.py @ 48948:4bb04a506af6

revlog: remove unused `rank` variable from D12209 Differential Revision: https://phab.mercurial-scm.org/D12355
author Martin von Zweigbergk <martinvonz@google.com>
date Fri, 04 Mar 2022 13:01:13 -0800
parents 6000f5b25c9b
children
line wrap: on
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#!/usr/bin/env python3
#
# This is literally `cat` but in python, one char at a time.
#
# see sigpipe-remote.py for details.

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)