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hush: implement "return NUM in trap sets $? after trap"

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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>
This commit is contained in:
Denys Vlasenko
2020-02-20 16:37:59 +01:00
parent d5bfe26c45
commit bb095f4838
13 changed files with 98 additions and 1 deletions
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10
shell/hush_test/hush-misc/exitcode_trap5.tests Executable file
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@@ -0,0 +1,10 @@
# "return" in trap sets $? after trap...
# ...but not a nested one!
g() { echo Nested; return 22; }
trap "echo TERM;false;g" term
f() {
(kill $$) &
sleep 1
}
f
echo Zero:$?