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tests/tcg/linux-test: Check that sigaction can query SIGKILL/SIGSTOP

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Verify that querying is allowed, but making changes isn't.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210601145600.3131040-3-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Ilya Leoshkevich 2021-06-01 16:56:00 +02:00 committed by Laurent Vivier
parent ee3500d33a
commit 1df0f5c114
1 changed files with 9 additions and 0 deletions
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9
tests/tcg/multiarch/linux-test.c
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@ -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