busybox/shell/ash_test/ash-misc/exitcode_trap3.tests
Denys Vlasenko bb095f4838 hush: implement "return NUM in trap sets $? after trap"
function                                             old     new   delta
builtin_return                                        47      67     +20
check_and_run_traps                                  243     259     +16
run_pipe                                            1583    1597     +14
hush_main                                           1076    1086     +10
run_list                                            1054    1055      +1
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(add/remove: 0/0 grow/shrink: 5/0 up/down: 61/0)               Total: 61 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20 16:37:59 +01:00

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# "return" in trap should not use last command's exitcode,
# but exitcode on entering the trap.
trap "echo TERM;return" term
f() {
(sleep 1; kill $$) &
until (exit 42) do (exit 42); done
}
f
echo 42:$?