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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-11-18 10:16:55 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-11-18 10:16:55 +0300 |
| commit | f39b6c468c52745dbca9a842d91c8373fda208ab (patch) | |
| tree | 67321e90bba55fcc0f3a05f3bd9abad449b2c030 /tools/testing/selftests/cgroup/lib/cgroup_util.c | |
| parent | e08969c4d65ac31297fcb4d31d4808c789152f68 (diff) | |
| parent | 6a23ae0a96a600d1d12557add110e0bb6e32730c (diff) | |
| download | linux-f39b6c468c52745dbca9a842d91c8373fda208ab.tar.xz | |
Merge tag 'v6.18-rc6' into for-linus
Sync up with the mainline to bring in definition of
INPUT_PROP_HAPTIC_TOUCHPAD.
Diffstat (limited to 'tools/testing/selftests/cgroup/lib/cgroup_util.c')
| -rw-r--r-- | tools/testing/selftests/cgroup/lib/cgroup_util.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/testing/selftests/cgroup/lib/cgroup_util.c b/tools/testing/selftests/cgroup/lib/cgroup_util.c index 0e89fcff4d05..44c52f620fda 100644 --- a/tools/testing/selftests/cgroup/lib/cgroup_util.c +++ b/tools/testing/selftests/cgroup/lib/cgroup_util.c @@ -522,6 +522,18 @@ int proc_mount_contains(const char *option) return strstr(buf, option) != NULL; } +int cgroup_feature(const char *feature) +{ + char buf[PAGE_SIZE]; + ssize_t read; + + read = read_text("/sys/kernel/cgroup/features", buf, sizeof(buf)); + if (read < 0) + return read; + + return strstr(buf, feature) != NULL; +} + ssize_t proc_read_text(int pid, bool thread, const char *item, char *buf, size_t size) { char path[PATH_MAX]; |