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66ac50e723
* tests/tail-2/wait: Rename file from not_accessible to unreadable, since all the test cares about is readability.
135 lines
2.6 KiB
Bash
Executable File
135 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# Make sure that `tail -f' returns immediately if a file doesn't exist
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# while `tail -F' waits for it to appear.
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# Copyright (C) 2003, 2006-2009 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 <http://www.gnu.org/licenses/>.
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if test "$VERBOSE" = yes; then
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set -x
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tail --version
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fi
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. $srcdir/test-lib.sh
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require_proc_pid_status_
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touch here || framework_failure
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touch k || framework_failure
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(touch unreadable && chmod a-r unreadable) || framework_failure
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fail=0
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tail -s0.1 -f not_here &
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pid=$!
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sleep .5
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state=$(get_process_status_ $pid)
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if test -n "$state"; then
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case $state in
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S*) echo $0: process still active 1>&2; fail=1 ;;
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*) ;;
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esac
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kill $pid
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fi
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# Check if the file is really not accessible before use it.
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if ! cat unreadable; then
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tail -s0.1 -f unreadable &
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pid=$!
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sleep .5
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state=$(get_process_status_ $pid)
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if test -n "$state"; then
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case $state in
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S*) echo $0: process still active 1>&2; fail=1 ;;
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*) ;;
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esac
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kill $pid
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fi
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fi
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(tail -s0.1 -f here 2>tail.err) &
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pid=$!
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sleep .5
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state=$(get_process_status_ $pid)
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if test -n "$state"; then
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case $state in
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S*) ;;
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*) echo $0: process died 1>&2; fail=1 ;;
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esac
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kill $pid
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fi
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# `tail -F' must wait in any case.
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(tail -s0.1 -F here 2>>tail.err) &
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pid=$!
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sleep .5
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state=$(get_process_status_ $pid)
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if test -n "$state"; then
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case $state in
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S*) ;;
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*) echo $0: process died 1>&2; fail=1 ;;
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esac
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kill $pid
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fi
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tail -s0.1 -F unreadable &
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pid=$!
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sleep .5
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state=$(get_process_status_ $pid)
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if test -n "$state"; then
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case $state in
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S*) ;;
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*) echo $0: process died 1>&2; fail=1 ;;
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esac
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kill $pid
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fi
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tail -s0.1 -F not_here &
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pid=$!
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sleep .5
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state=$(get_process_status_ $pid)
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if test -n "$state"; then
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case $state in
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S*) ;;
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*) echo $0: process died 1>&2; fail=1 ;;
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esac
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kill $pid
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fi
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test -s tail.err && fail=1
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tail -s.1 -F k > tail.out &
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pid=$!
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sleep .5
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mv k l
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sleep .5
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touch k
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mv k l
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sleep .5
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echo NO >> l
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sleep .5
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kill $pid
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test -s tail.out && fail=1
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Exit $fail
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