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Subject[PATCH 06/13] selftests: pidfd: skip test on kcmp() ENOSYS
Date
Skip test if kcmp() is not available, for example if kernel is compiled
without CONFIG_CHECKPOINT_RESTORE=y.

Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
---
tools/testing/selftests/pidfd/pidfd_getfd_test.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/pidfd/pidfd_getfd_test.c b/tools/testing/selftests/pidfd/pidfd_getfd_test.c
index 7758c98be015..0930e2411dfb 100644
--- a/tools/testing/selftests/pidfd/pidfd_getfd_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_getfd_test.c
@@ -204,7 +204,10 @@ TEST_F(child, fetch_fd)
fd = sys_pidfd_getfd(self->pidfd, self->remote_fd, 0);
ASSERT_GE(fd, 0);

- EXPECT_EQ(0, sys_kcmp(getpid(), self->pid, KCMP_FILE, fd, self->remote_fd));
+ ret = sys_kcmp(getpid(), self->pid, KCMP_FILE, fd, self->remote_fd);
+ if (ret < 0 && errno == ENOSYS)
+ SKIP(return, "kcmp() syscall not supported");
+ EXPECT_EQ(ret, 0);

ret = fcntl(fd, F_GETFD);
ASSERT_GE(ret, 0);
--
2.26.2
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