[PATCH 6/7] kselftest/arm64: tpidr2: Switch to waitpid() over wait4()

From: Thomas Weißschuh
Date: Thu Aug 21 2025 - 11:55:29 EST


wait4() is deprecated, non-standard and about to be removed from nolibc.

Switch to the equivalent waitpid() call.

Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
tools/testing/selftests/arm64/abi/tpidr2.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/arm64/abi/tpidr2.c b/tools/testing/selftests/arm64/abi/tpidr2.c
index f58a9f89b952c42c5393b93a2db4fefe3f335e5a..3b520b7efa49e0058616c04fcdc0222bd8b03d8a 100644
--- a/tools/testing/selftests/arm64/abi/tpidr2.c
+++ b/tools/testing/selftests/arm64/abi/tpidr2.c
@@ -182,16 +182,16 @@ static int write_clone_read(void)
}

for (;;) {
- waiting = wait4(ret, &status, __WCLONE, NULL);
+ waiting = waitpid(ret, &status, __WCLONE);

if (waiting < 0) {
if (errno == EINTR)
continue;
- ksft_print_msg("wait4() failed: %d\n", errno);
+ ksft_print_msg("waitpid() failed: %d\n", errno);
return 0;
}
if (waiting != ret) {
- ksft_print_msg("wait4() returned wrong PID %d\n",
+ ksft_print_msg("waitpid() returned wrong PID %d\n",
waiting);
return 0;
}

--
2.50.1