| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # Usage:
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| 4 | # ./show-fd-table.sh <function name>
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| 5 |
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| 6 | set -o nounset
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| 7 | set -o pipefail
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| 8 | set -o errexit
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| 9 |
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| 10 | source test/spec-runner.sh
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| 11 |
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| 12 | show-fd-table() {
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| 13 | echo " function in pid $$"
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| 14 | # Make it truly parallel
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| 15 | sleep 0.5
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| 16 | /usr/bin/env time --output /tmp/$$.txt -- spec/bin/show_fd_table.py "$@"
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| 17 | }
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| 18 |
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| 19 | # Trying to recreate spec-runner problem with file descriptors.
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| 20 | main() {
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| 21 | spec/bin/show_fd_table.py
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| 22 | echo
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| 23 |
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| 24 | spec/bin/show_fd_table.py 2>/dev/null
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| 25 | echo
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| 26 |
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| 27 | # File descriptor 3 is open!
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| 28 | /usr/bin/env time --output /tmp/task.txt -- spec/bin/show_fd_table.py
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| 29 | echo
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| 30 |
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| 31 | # Cannot reproduce problem. What's the deal with descriptors 8 and 9? Oh
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| 32 | # maybe they have to be truly parallel.
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| 33 | echo 'XARGS'
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| 34 | seq 10 | xargs -n 1 -P 10 --verbose -- $0 show-fd-table
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| 35 | echo
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| 36 | }
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| 37 |
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| 38 | "$@"
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