selftests: pidfd: skip test on kcmp() ENOSYS (b5ec9fe5) · Commits · 戴 / test

Skip test if kcmp() is not available, for example if kernel is compiled without CONFIG_CHECKPOINT_RESTORE=y. Signed-off-by:

tools/testing/selftests/pidfd/pidfd_getfd_test.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -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);