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tests/subshell.sh: test from rhbz#1138751 reproducer (re: 4ce486a7)

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This commit is contained in:
Martijn Dekker 2020-09-26 01:17:07 +02:00
parent c382cea176
commit 95225e1e01
1 changed files with 9 additions and 0 deletions
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9
src/cmd/ksh93/tests/subshell.sh
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@ -821,5 +821,14 @@ sleep_pid=$!
((!(e = $?))) || err_exit "backtick comsub hang (got status $e$( ((e>128)) && print -n / && kill -l "$e"))"
kill "$sleep_pid" 2>/dev/null
# Backtick command substitution with pipe hangs when filling out pipe buffer (rhbz#1138751)
"$SHELL" -c 'HANG=`dd if=/dev/zero bs=1k count=117 2>/dev/null | cat`' &
test_pid=$!
(sleep 2; kill -s KILL "$test_pid" 2>/dev/null) &
sleep_pid=$!
{ wait "$test_pid"; } 2>/dev/null
((!(e = $?))) || err_exit "backtick comsub with pipe hangs (got status $e$( ((e>128)) && print -n / && kill -l "$e"))"
kill "$sleep_pid" 2>/dev/null
# ======
exit $((Errors<125?Errors:125))