shaba/systemd
1
0
Fork 0
mirror of https://github.com/systemd/systemd.git synced 2025-02-28 05:57:33 +03:00
Code

cgroup-util: introduce cg_pidref_get_unit

Browse Source
This commit is contained in:
Mike Yuan 2023-11-10 00:18:53 +08:00
parent 620788da17
commit 2c302e8919
No known key found for this signature in database
GPG Key ID: 417471C0A40F58B3
2 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/basic/cgroup-util.c
View File

@ -1262,6 +1262,27 @@ int cg_pid_get_unit(pid_t pid, char **ret_unit) {
return cg_path_get_unit(cgroup, ret_unit);
}
int cg_pidref_get_unit(const PidRef *pidref, char **ret) {
_cleanup_free_ char *unit = NULL;
int r;
assert(ret);
if (!pidref_is_set(pidref))
return -ESRCH;
r = cg_pid_get_unit(pidref->pid, &unit);
if (r < 0)
return r;
r = pidref_verify(pidref);
if (r < 0)
return r;
*ret = TAKE_PTR(unit);
return 0;
}
/**
* Skip session-*.scope, but require it to be there.
*/

1
src/basic/cgroup-util.h
View File

@ -279,6 +279,7 @@ int cg_pid_get_path_shifted(pid_t pid, const char *cached_root, char **ret_cgrou
int cg_pid_get_session(pid_t pid, char **ret_session);
int cg_pid_get_owner_uid(pid_t pid, uid_t *ret_uid);
int cg_pid_get_unit(pid_t pid, char **ret_unit);
int cg_pidref_get_unit(const PidRef *pidref, char **ret);
int cg_pid_get_user_unit(pid_t pid, char **ret_unit);
int cg_pid_get_machine_name(pid_t pid, char **ret_machine);
int cg_pid_get_slice(pid_t pid, char **ret_slice);