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177fcec66d
* src/tail.c (tail_file): Open files with O_NONBLOCK if we might need async processing. (pipe_bytes): Ignore EAGAIN read() errors. (pipe_lines): Likewise. * tests/tail/pid-pipe.sh: Add a new test. * tests/local.mk: Reference the new test. * NEWS: Mention the bug fix. Reported by Berhard Voelker.
37 lines
1.1 KiB
Bash
Executable File
37 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that "tail --pid=PID fifo" exits responsively
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# Copyright (C) 2025 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ tail
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mkfifo_or_skip_ fifo
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# Terminate any background process
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cleanup_() { kill $pid 2>/dev/null && wait $pid; }
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# Speedup the non inotify case
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fastpoll='-s.1 --max-unchanged-stats=1'
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sleep 1 & pid=$!
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returns_ 124 timeout 10 tail -f $fastpoll --pid=$! fifo && fail=1
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cleanup_
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Exit $fail
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