3ed7e2749 — BusyBox

Subject

ash testsuite: add return_in_trap1.tests

No binary (build failed)

Architecture: x86_64-linux-gnu Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04.3) 11.4.0

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(log yok)

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shell/hush_test/hush-signals/return_in_trap1.right+4 -0

shell/hush_test/hush-signals/return_in_trap1.tests+18 -0

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+	a() {
+	(exit 2)
+	echo a:$?
+	(kill -s USR1 $$; echo b:$?; exit 3)
+	echo c:$? # does not execute
+	(exit 4)
+	}
+
+	trap "echo Trap; return" USR1
+	a
+
+	echo d:$?
+	# It's debatable what is the correct value above.
+	# Does 'return' in trap sees $? == 2 or $? == 3?
+	# IOW: after (kill..), does shell first wait for its completion
+	# and sets $?, then checks pending signals and runs a trap handler,
+	# or does it first checks pending signals and runs handler?
+	# hush does the former, and prints 3.

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