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Fix 'kill -INFO' on systems that support SIGINFO (#59)

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src/cmd/ksh93/data/signals.c:
- SIGINFO was absent from the table of signals, which caused
  commands like 'kill -INFO $$' to fail even on platforms with
  SIGINFO (such as macOS and FreeBSD). Fix that by adding
  it to the signal table.

src/cmd/ksh93/tests/signal.sh:
- Add a regression tests for using SIGINFO with the kill builtin.
  The test will only be run if the external kill command supports
  SIGINFO.
This commit is contained in:
Johnothan King 2020-07-04 07:57:47 -07:00 • committed by GitHub
parent d7afb57c49
commit 658bba748e
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7
src/cmd/ksh93/tests/signal.sh
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@ -459,5 +459,12 @@ $SHELL -c 'kill %% 2> /dev/null'; [[ $? == 1 ]] || err_exit $'`kill` doesn\'t ha
$SHELL -c 'kill %+ 2> /dev/null'; [[ $? == 1 ]] || err_exit $'`kill` doesn\'t handle a non-existent job correctly when passed \'%+\''
$SHELL -c 'kill %- 2> /dev/null'; [[ $? == 1 ]] || err_exit $'`kill` doesn\'t handle a non-existent job correctly when passed \'%-\''
# ======
# SIGINFO should be supported by the kill builtin on platforms that have it.
if "$(whence -p kill)" -INFO $$ 2> /dev/null
then
kill -INFO $$ || err_exit '`kill` cannot send SIGINFO to processes when passed `-INFO`'
fi
# ======
exit $((Errors<125?Errors:125))