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50 lines
879 B
Bash
Executable File
50 lines
879 B
Bash
Executable File
#!/bin/sh
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# This test fails with tail from textutils-2.0.
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# It would get something like this:
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# tail: tail.c:718: recheck: Assertion `valid_file_spec (f)' failed.
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# Aborted
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# due to a race condition in which a dev/inode pair is reused.
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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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tmp=tail-assert.$$
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pwd=`pwd`
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trap "cd $pwd; rm -rf $tmp" 0 1 2 3 15
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test_failure=0
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mkdir $tmp || test_failure=1
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cd $tmp || test_failure=1
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if test $test_failure = 1; then
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echo 'failure in testing framework'
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exit 1
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fi
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ok='ok ok ok'
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touch a foo
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tail --follow=name a foo > err 2>&1 &
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tail_pid=$!
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# Arrange for the tail process to die after 12 seconds.
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(sleep 12; kill $tail_pid) &
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rm -f foo
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echo sleeping for 7 seconds...
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sleep 7
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echo $ok > f
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mv f foo
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# echo waiting....
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wait
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case "`cat err`" in
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*$ok) fail=0;;
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*) fail=1;;
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esac
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test $fail = 1 && cat err
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exit $fail
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