[PATCH v2 03/13] selftests/nolibc: waitpid_min: add waitid syscall support

From: Zhangjin Wu
Date: Mon May 29 2023 - 15:49:43 EST


waitpid() is based on sys_wait4().

When the first argument is INT_MIN, the wait4 syscall based sys_wait4()
return EFAULT by default, but the waitid syscall based sys_wait4()
return EINVAL in rv32 platform, let's support such case.

Signed-off-by: Zhangjin Wu <falcon@xxxxxxxxxxx>
---
tools/testing/selftests/nolibc/nolibc-test.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index bf63fc66e486..8ba8c2fc71a0 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -616,7 +616,7 @@ int run_syscall(int min, int max)
CASE_TEST(unlink_root); EXPECT_SYSER(1, unlink("/"), -1, EISDIR); break;
CASE_TEST(unlink_blah); EXPECT_SYSER(1, unlink("/proc/self/blah"), -1, ENOENT); break;
CASE_TEST(wait_child); EXPECT_SYSER(1, wait(&tmp), -1, ECHILD); break;
- CASE_TEST(waitpid_min); EXPECT_SYSER(1, waitpid(INT_MIN, &tmp, WNOHANG), -1, ESRCH); break;
+ CASE_TEST(waitpid_min); EXPECT_SYSER2(1, waitpid(INT_MIN, &tmp, WNOHANG), -1, ESRCH, EINVAL); break;
CASE_TEST(waitpid_child); EXPECT_SYSER(1, waitpid(getpid(), &tmp, WNOHANG), -1, ECHILD); break;
CASE_TEST(write_badf); EXPECT_SYSER(1, write(-1, &tmp, 1), -1, EBADF); break;
CASE_TEST(write_zero); EXPECT_SYSZR(1, write(1, &tmp, 0)); break;
--
2.25.1