| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # Usage:
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| 4 | # demo/sigwinch-bug.sh <function name>
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| 5 | #
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| 6 | # Related: demo/signal-during-read.sh
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| 7 |
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| 8 | set -o nounset
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| 9 | set -o pipefail
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| 10 | set -o errexit
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| 11 |
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| 12 | # TODO:
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| 13 | # - Catalog all the "slow" syscalls?
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| 14 | # - read() and wait() are definitely there.
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| 15 | # - And write(), but that appears to be handled at the Python level.
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| 16 | # - Catalog all the cases where CPython handles EINTR
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| 17 | # - e.g. sys.stdout.write() ?
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| 18 | # - see demo/cpython-signals.sh
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| 19 |
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| 20 | # More test cases:
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| 21 | # https://github.com/oilshell/oil/wiki/Testing-the-Interactive-Shell
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| 22 |
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| 23 |
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| 24 | # Can also use the app bundle
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| 25 | OSH=bin/osh
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| 26 | #OSH=osh
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| 27 |
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| 28 |
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| 29 | # BUG: Try resizing terminal here.
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| 30 | # Different bug: OSH requires you to hit Ctrl-C then ENTER when running this?
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| 31 | case-read() {
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| 32 | $OSH -i -c 'read'
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| 33 | }
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| 34 |
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| 35 | # BUG: Try resizing terminal here.
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| 36 | case-read-n() {
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| 37 | $OSH -i -c 'read -n 5'
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| 38 | }
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| 39 |
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| 40 | # BUG: Try resizing terminal here.
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| 41 | # Hm not reproducible with $OSH -i? Have to do it at the prompt?
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| 42 | # I guess this has to do with GNU readline?
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| 43 | pipeline() {
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| 44 | $OSH -i -c 'sleep 5 | wc -l'
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| 45 | }
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| 46 |
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| 47 | # BUG: Try resizing terminal here.
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| 48 | command-sub() {
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| 49 | $OSH -i -c 'echo $(sleep 5; echo hi)'
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| 50 | }
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| 51 |
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| 52 | # There is no bug, so it appears sys.stdout.write() handle EINTR? It's a
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| 53 | # higher-level interface than posix.read().
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| 54 | write() {
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| 55 |
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| 56 | # The shell will be blocked on a write.
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| 57 | $OSH -i -c 'for i in {1..1000}; do echo "[$i]"; done | sleep 5;'
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| 58 | }
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| 59 |
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| 60 | "$@"
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