+/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
- This file is part of systemd.
-
Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <dirent.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
+#include <sys/statfs.h>
#include <sys/types.h>
#include "def.h"
//#include "macro.h"
#include "set.h"
+#if 0 /// elogind has them set through config.h
+#define SYSTEMD_CGROUP_CONTROLLER_LEGACY "name=systemd"
+#define SYSTEMD_CGROUP_CONTROLLER_HYBRID "name=unified"
+#define SYSTEMD_CGROUP_CONTROLLER "_systemd"
+#endif // 0
+
/* An enum of well known cgroup controllers */
typedef enum CGroupController {
CGROUP_CONTROLLER_CPU,
- CGROUP_CONTROLLER_CPUACCT,
- CGROUP_CONTROLLER_IO,
- CGROUP_CONTROLLER_BLKIO,
+ CGROUP_CONTROLLER_CPUACCT, /* v1 only */
+ CGROUP_CONTROLLER_IO, /* v2 only */
+ CGROUP_CONTROLLER_BLKIO, /* v1 only */
CGROUP_CONTROLLER_MEMORY,
- CGROUP_CONTROLLER_DEVICES,
+ CGROUP_CONTROLLER_DEVICES, /* v1 only */
CGROUP_CONTROLLER_PIDS,
_CGROUP_CONTROLLER_MAX,
_CGROUP_CONTROLLER_INVALID = -1,
_CGROUP_MASK_ALL = CGROUP_CONTROLLER_TO_MASK(_CGROUP_CONTROLLER_MAX) - 1
} CGroupMask;
-#if 0 /// UNNEEDED by elogind
/* Special values for all weight knobs on unified hierarchy */
#define CGROUP_WEIGHT_INVALID ((uint64_t) -1)
#define CGROUP_WEIGHT_MIN UINT64_C(1)
#define CGROUP_WEIGHT_MAX UINT64_C(10000)
#define CGROUP_WEIGHT_DEFAULT UINT64_C(100)
-#endif // 0
#define CGROUP_LIMIT_MIN UINT64_C(0)
#define CGROUP_LIMIT_MAX ((uint64_t) -1)
const char* cgroup_io_limit_type_to_string(CGroupIOLimitType t) _const_;
CGroupIOLimitType cgroup_io_limit_type_from_string(const char *s) _pure_;
+#endif // 0
/* Special values for the cpu.shares attribute */
#define CGROUP_CPU_SHARES_INVALID ((uint64_t) -1)
#define CGROUP_CPU_SHARES_MAX UINT64_C(262144)
#define CGROUP_CPU_SHARES_DEFAULT UINT64_C(1024)
+#if 0 /// UNNEEDED by elogind
static inline bool CGROUP_CPU_SHARES_IS_OK(uint64_t x) {
return
x == CGROUP_CPU_SHARES_INVALID ||
(x >= CGROUP_CPU_SHARES_MIN && x <= CGROUP_CPU_SHARES_MAX);
}
+#endif // 0
/* Special values for the blkio.weight attribute */
#define CGROUP_BLKIO_WEIGHT_INVALID ((uint64_t) -1)
#define CGROUP_BLKIO_WEIGHT_MAX UINT64_C(1000)
#define CGROUP_BLKIO_WEIGHT_DEFAULT UINT64_C(500)
+#if 0 /// UNNEEDED by elogind
static inline bool CGROUP_BLKIO_WEIGHT_IS_OK(uint64_t x) {
return
x == CGROUP_BLKIO_WEIGHT_INVALID ||
int cg_set_attribute(const char *controller, const char *path, const char *attribute, const char *value);
int cg_get_attribute(const char *controller, const char *path, const char *attribute, char **ret);
#if 0 /// UNNEEDED by elogind
-int cg_get_keyed_attribute(const char *controller, const char *path, const char *attribute, const char **keys, char **values);
+int cg_get_keyed_attribute(const char *controller, const char *path, const char *attribute, char **keys, char **values);
-int cg_set_group_access(const char *controller, const char *path, mode_t mode, uid_t uid, gid_t gid);
-int cg_set_task_access(const char *controller, const char *path, mode_t mode, uid_t uid, gid_t gid);
+int cg_set_access(const char *controller, const char *path, uid_t uid, gid_t gid);
int cg_set_xattr(const char *controller, const char *path, const char *name, const void *value, size_t size, int flags);
int cg_get_xattr(const char *controller, const char *path, const char *name, void *value, size_t size);
-#endif // 0
int cg_install_release_agent(const char *controller, const char *agent);
int cg_uninstall_release_agent(const char *controller);
+#endif // 0
int cg_is_empty(const char *controller, const char *path);
int cg_is_empty_recursive(const char *controller, const char *path);
int cg_get_root_path(char **path);
int cg_path_get_session(const char *path, char **session);
-#if 0 /// UNNEEDED by elogind
int cg_path_get_owner_uid(const char *path, uid_t *uid);
int cg_path_get_unit(const char *path, char **unit);
+#if 0 /// UNNEEDED by elogind
int cg_path_get_user_unit(const char *path, char **unit);
int cg_path_get_machine_name(const char *path, char **machine);
+#endif // 0
int cg_path_get_slice(const char *path, char **slice);
int cg_path_get_user_slice(const char *path, char **slice);
-#endif // 0
int cg_shift_path(const char *cgroup, const char *cached_root, const char **shifted);
int cg_pid_get_path_shifted(pid_t pid, const char *cached_root, char **cgroup);
int cg_pid_get_session(pid_t pid, char **session);
-#if 0 /// UNNEEDED by elogind
int cg_pid_get_owner_uid(pid_t pid, uid_t *uid);
int cg_pid_get_unit(pid_t pid, char **unit);
+#if 0 /// UNNEEDED by elogind
int cg_pid_get_user_unit(pid_t pid, char **unit);
int cg_pid_get_machine_name(pid_t pid, char **machine);
+#endif // 0
int cg_pid_get_slice(pid_t pid, char **slice);
int cg_pid_get_user_slice(pid_t pid, char **slice);
int cg_path_decode_unit(const char *cgroup, char **unit);
-#endif // 0
char *cg_escape(const char *p);
char *cg_unescape(const char *p) _pure_;
int cg_mask_to_string(CGroupMask mask, char **ret);
#if 0 /// UNNEEDED by elogind
-int cg_kernel_controllers(Set *controllers);
+int cg_kernel_controllers(Set **controllers);
bool cg_ns_supported(void);
#endif // 0