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From: Masatake YAMATO <yamato@redhat.com>
Date: Fri, 5 Apr 2024 04:00:45 +0900
Subject: tests: (lsfd::mkfds-multiplexing) skip if /proc/$pid/syscall is
broken
Close #2867
Close #2887
We should skip the test case on the platforms where /proc/$pid/syscall
doesn't report correct system call number. On such platforms,
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
---
tests/ts/lsfd/mkfds-multiplexing | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/tests/ts/lsfd/mkfds-multiplexing b/tests/ts/lsfd/mkfds-multiplexing
index 8cc7f31..a53f6eb 100755
--- a/tests/ts/lsfd/mkfds-multiplexing
+++ b/tests/ts/lsfd/mkfds-multiplexing
@@ -26,6 +26,8 @@ ts_check_test_command "$TS_HELPER_MKFDS"
# /proc/${PID}/syscall is rendered in the host side byteorder.
ts_skip_qemu_user
+ts_check_prog "cat"
+ts_check_prog "cut"
ts_check_prog "grep"
ts_cd "$TS_OUTDIR"
@@ -44,12 +46,24 @@ for multiplexer in pselect6 select poll ppoll; do
} > "$TS_OUTPUT" 2>&1
if read -r -u "${MKFDS[0]}" PID; then
- if ! cat /proc/"${PID}"/syscall > /dev/null 2>&1; then
+ syscall_line=$(cat /proc/"${PID}"/syscall 2>> "$TS_OUTPUT")
+ syscall_status=$?
+ if [[ "$syscall_status" != 0 ]]; then
kill -CONT "${PID}"
wait "${MKFDS_PID}"
ts_skip_subtest "cannot open /proc/${PID}/syscall"
continue
fi
+ syscall_n=$(cut -f1 -d' ' <<< "$syscall_line")
+ # We assume the syscall number for the $multiplexer is not zero
+ # on any platforms.
+ if [[ "$syscall_n" == 0 ]]; then
+ kill -CONT "${PID}"
+ wait "${MKFDS_PID}"
+ ts_skip_subtest "incorrect syscall number in /proc/${PID}/syscall"
+ continue
+ fi
+
{
"${TS_CMD_LSFD}" -n -o ASSOC,XMODE -p "${PID}" -Q '(FD >= 10) && (FD <= 22)'
echo "[$multiplexer] ASSOC,XMODE: $?"
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