tests/testlib/sigpipe-worker.py
author Raphaël Gomès <rgomes@octobus.net>
Wed, 11 Jan 2023 16:42:29 +0100
changeset 49981 364e78389653
parent 48875 6000f5b25c9b
permissions -rwxr-xr-x
rust-ui: refactor ui code for printing narrow/sparse warnings This will be used elsewhere in the code, starting from the next commit.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
47618
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
     1
#!/usr/bin/env python3
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
     2
#
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
     3
# This is literally `cat` but in python, one char at a time.
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
     4
#
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
     5
# see sigpipe-remote.py for details.
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
     6
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
     7
import io
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
     8
import os
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
     9
import sys
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
    10
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
    11
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
    12
if isinstance(sys.stdout.buffer, io.BufferedWriter):
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
    13
    print('SIGPIPE-WORKER: script need unbuffered output', file=sys.stderr)
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
    14
    sys.exit(255)
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
    15
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
    16
while True:
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
    17
    c = os.read(sys.stdin.fileno(), 1)
27ff81547d35 sigpipe-remote: simply delegate pipe forwarding to subprocess we can kill
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
diff changeset
    18
    os.write(sys.stdout.fileno(), c)