From 1df0f5c1141958368d7473c7bfe8beac7bf86385 Mon Sep 17 00:00:00 2001 From: Ilya Leoshkevich Date: Tue, 1 Jun 2021 16:56:00 +0200 Subject: [PATCH] tests/tcg/linux-test: Check that sigaction can query SIGKILL/SIGSTOP Verify that querying is allowed, but making changes isn't. Signed-off-by: Ilya Leoshkevich Reviewed-by: Laurent Vivier Message-Id: <20210601145600.3131040-3-iii@linux.ibm.com> Signed-off-by: Laurent Vivier --- tests/tcg/multiarch/linux-test.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/tests/tcg/multiarch/linux-test.c b/tests/tcg/multiarch/linux-test.c index 96bbad5823..c8c6aeddeb 100644 --- a/tests/tcg/multiarch/linux-test.c +++ b/tests/tcg/multiarch/linux-test.c @@ -496,6 +496,15 @@ static void test_signal(void) sigemptyset(&act.sa_mask); act.sa_flags = 0; chk_error(sigaction(SIGSEGV, &act, NULL)); + + if (sigaction(SIGKILL, &act, NULL) == 0) { + error("sigaction(SIGKILL, &act, NULL) must not succeed"); + } + if (sigaction(SIGSTOP, &act, NULL) == 0) { + error("sigaction(SIGSTOP, &act, NULL) must not succeed"); + } + chk_error(sigaction(SIGKILL, NULL, &act)); + chk_error(sigaction(SIGSTOP, NULL, &act)); } #define SHM_SIZE 32768