57 lines
1.8 KiB
Bash
Executable file
57 lines
1.8 KiB
Bash
Executable file
#!/bin/sh
|
|
# This variant of 'assert' would get a Uninit Mem Read reliably in 2.0.9.
|
|
# Due to a race condition in the test, the 'assert' script would get
|
|
# the UMR on Solaris only some of the time, and not at all on Linux/GNU.
|
|
|
|
# Copyright (C) 2000-2025 Free Software Foundation, Inc.
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
|
|
print_ver_ tail
|
|
|
|
check_tail_output()
|
|
{
|
|
local delay="$1"
|
|
grep "$tail_re" out ||
|
|
{ sleep $delay; return 1; }
|
|
}
|
|
|
|
# Terminate any background tail process
|
|
cleanup_() { kill $pid 2>/dev/null && wait $pid; }
|
|
|
|
# Speedup the non inotify case
|
|
fastpoll='-s.1 --max-unchanged-stats=1'
|
|
|
|
for mode in '' '---disable-inotify'; do
|
|
rm -f a foo out
|
|
touch a || framework_failure_
|
|
|
|
tail $mode $fastpoll -F a foo > out 2>&1 & pid=$!
|
|
|
|
# Wait up to 12.7s for tail to start.
|
|
echo x > a || framework_failure_
|
|
tail_re='^x$' retry_delay_ check_tail_output .1 7 ||
|
|
{ cat out; fail=1; break; }
|
|
|
|
# Wait up to 12.7s for tail to notice new foo file
|
|
ok='ok ok ok'
|
|
echo "$ok" > foo || framework_failure_
|
|
tail_re="^$ok$" retry_delay_ check_tail_output .1 7 ||
|
|
{ echo "$0: foo: unexpected delay?"; cat out; fail=1; break; }
|
|
|
|
cleanup_
|
|
done
|
|
|
|
Exit $fail
|