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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