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#pragma once
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
Copyright 2017 Luke Shumaker
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 "macro.h"
/* generic types ****************************************************/
typedef struct CGroupHierarchy CGroupHierarchy;
typedef struct CGroup {
CGroupHierarchy *hierarchy;
char *path;
} CGroup;
static inline void cg2_freep(CGroup *cgroup) {
free(cgroup->path);
}
static inline void cg2_free_freep(CGroup **cgroupp) {
if (*cgroupp) {
cg2_freep(*cgroupp);
free(*cgroupp);
}
}
#define _cleanup_cgroupfree_ _cleanup_(cg2_freep)
#define _cleanup_cgroupfree_free_ _cleanup_(cg2_free_freep)
/* generic functions ************************************************/
int cg2_flush(void);
bool cg2_ns_supported(void);
int cg2_get_v1_hier(const char *controller, CGroupHierarchy **ret_hier);
int cg2_get_v2_hier(CGroupHierarchy **ret_hier);
int cg2_hier_get_version(CGroupHierarchy *hier);
char *cg2_hier_get_str(CGroupHierarchy *hier);
int cg2_pid_get_cgroups_real(pid_t pid, /* CGroupHierarchy *hier, CGroup *ret_cgroup */...) _sentinel_;
#define cg2_pid_get_cgroups(pid, ...) cg2_pid_get_cgroups_real((pid), __VA_ARGS__, NULL)
char *cg2_cgroup_get_filepath(CGroup cgroup);
char *cg2_cgroup_get_str(CGroup cgroup);
/* systemd types ****************************************************/
typedef struct SdCGroup {
CGroup prefix;
char *path;
} SdCGroup;
static inline void cg2_sd_freep(SdCGroup *cgroup) {
cg2_freep(&cgroup->prefix);
free(cgroup->path);
}
static inline void cg2_sd_free_freep(SdCGroup **cgroupp) {
if (*cgroupp) {
cg2_sd_freep(*cgroupp);
free(*cgroupp);
}
}
#define _cleanup_sdcgroupfree_ _cleanup_(cg2_sd_freep)
#define _cleanup_sdcgroupfree_free_ _cleanup_(cg2_sd_free_freep)
typedef enum SdCGroupVersion {
CGROUP_VER_UNKNOWN = 0,
CGROUP_VER_1 = 1,
CGROUP_VER_2 = 2, /* added in systemd 230 */
CGROUP_VER_MIXED_SD232 = 3, /* added in systemd 232 */
CGROUP_VER_MIXED_SD233 = 4, /* added in systemd 233 */
} SdCGroupVersion;
/* systemd functions ************************************************/
int cg2_sd_flush(void);
int cg2_sd_get_version(SdCGroupVersion *ret_ver);
int cg2_sd_get_root(CGroup *ret_root);
int cg2_sd_ver_get_hier_ver(SdCGroupVersion ver);
int cg2_sd_pid_get_cgroup(pid_t pid, SdCGroup *ret_cgroup);
int cg2_sd_cgroup_parse(SdCGroup cgroup, char **ret_slice, char **ret_unit, SdCGroup *ret_extra);
int cg2_sd_cgroup_get_owner_uid(SdCGroup cgroup, uid_t *ret_uid);
char *cg2_sd_cgroup_get_filepath(SdCGroup sdcgroup);
char *cg2_sd_cgroup_get_cgpath(SdCGroup sdcgroup);
char *cg2_sd_cgroup_get_str(SdCGroup sdcgroup);
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