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#!/bin/sh
# Test various sync(1) operations
# Copyright (C) 2015-2017 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 <http://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ sync
touch file
# fdatasync+syncfs is nonsensical
returns_ 1 sync --data --file-system || fail=1
# fdatasync needs an operand
returns_ 1 sync -d || fail=1
# Test syncing of file (fsync) (little side effects)
sync file || fail=1
# Ensure multiple args are processed and diagnosed
returns_ 1 sync file nofile || fail=1
# Ensure inaccessible dirs give an appropriate error
mkdir norw || framework_failure_
chmod 0 norw || framework_failure_
if ! test -r norw; then
sync norw 2>err
printf "sync: error opening 'norw': Permission denied\n" >exp
compare exp err || fail=1
fi
if test "$fail" != '1'; then
# Ensure a fifo doesn't block
mkfifo_or_skip_ fifo
returns_ 124 timeout 10 sync fifo && fail=1
fi
Exit $fail
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