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cgroup-util: introduce cg_get_cgroupid_at()

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Suggested in https://github.com/systemd/systemd/pull/35242#discussion_r1862658163
This commit is contained in:
Mike Yuan
2024-12-12 05:19:07 +09:00
committed by Yu Watanabe
parent 2522757a89
commit eded4272d2
2 changed files with 26 additions and 32 deletions
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src/basic/cgroup-util.h
+8 -2
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@@ -183,6 +183,14 @@ typedef enum CGroupUnified {
int cg_path_open(const char *controller, const char *path);
int cg_cgroupid_open(int fsfd, uint64_t id);
int cg_get_cgroupid_at(int dfd, const char *path, uint64_t *ret);
static inline int cg_path_get_cgroupid(const char *path, uint64_t *ret) {
return cg_get_cgroupid_at(AT_FDCWD, path, ret);
}
static inline int cg_fd_get_cgroupid(int fd, uint64_t *ret) {
return cg_get_cgroupid_at(fd, NULL, ret);
}
typedef enum CGroupFlags {
CGROUP_SIGCONT = 1 << 0,
CGROUP_IGNORE_SELF = 1 << 1,
@@ -265,8 +273,6 @@ int cg_is_empty_recursive(const char *controller, const char *path);
int cg_get_root_path(char **path);
int cg_path_get_cgroupid(const char *path, uint64_t *ret);
int cg_fd_get_cgroupid(int fd, uint64_t *ret);
int cg_path_get_session(const char *path, char **ret_session);
int cg_path_get_owner_uid(const char *path, uid_t *ret_uid);
int cg_path_get_unit(const char *path, char **ret_unit);