diff options
Diffstat (limited to 'src/basic/cgroup-util.h')
| -rw-r--r-- | src/basic/cgroup-util.h | 54 |
1 files changed, 38 insertions, 16 deletions
diff --git a/src/basic/cgroup-util.h b/src/basic/cgroup-util.h index 1c86581eb5..6fd6d80590 100644 --- a/src/basic/cgroup-util.h +++ b/src/basic/cgroup-util.h @@ -28,15 +28,28 @@ #include "set.h" #include "def.h" +/* An enum of well known cgroup controllers */ +typedef enum CGroupController { + CGROUP_CONTROLLER_CPU, + CGROUP_CONTROLLER_CPUACCT, + CGROUP_CONTROLLER_BLKIO, + CGROUP_CONTROLLER_MEMORY, + CGROUP_CONTROLLER_DEVICE, + _CGROUP_CONTROLLER_MAX, + _CGROUP_CONTROLLER_INVALID = -1, +} CGroupController; + +#define CGROUP_CONTROLLER_TO_MASK(c) (1 << (c)) + /* A bit mask of well known cgroup controllers */ -typedef enum CGroupControllerMask { - CGROUP_CPU = 1, - CGROUP_CPUACCT = 2, - CGROUP_BLKIO = 4, - CGROUP_MEMORY = 8, - CGROUP_DEVICE = 16, - _CGROUP_CONTROLLER_MASK_ALL = 31 -} CGroupControllerMask; +typedef enum CGroupMask { + CGROUP_MASK_CPU = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_CPU), + CGROUP_MASK_CPUACCT = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_CPUACCT), + CGROUP_MASK_BLKIO = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_BLKIO), + CGROUP_MASK_MEMORY = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_MEMORY), + CGROUP_MASK_DEVICE = CGROUP_CONTROLLER_TO_MASK(CGROUP_CONTROLLER_DEVICE), + _CGROUP_MASK_ALL = CGROUP_CONTROLLER_TO_MASK(_CGROUP_CONTROLLER_MAX) - 1 +} CGroupMask; /* * General rules: @@ -77,7 +90,6 @@ int cg_pid_get_path(const char *controller, pid_t pid, char **path); int cg_trim(const char *controller, const char *path, bool delete_root); int cg_rmdir(const char *controller, const char *path); -int cg_delete(const char *controller, const char *path); int cg_create(const char *controller, const char *path); int cg_attach(const char *controller, const char *path, pid_t pid); @@ -126,14 +138,24 @@ bool cg_controller_is_valid(const char *p); int cg_slice_to_path(const char *unit, char **ret); -typedef const char* (*cg_migrate_callback_t)(CGroupControllerMask mask, void *userdata); +typedef const char* (*cg_migrate_callback_t)(CGroupMask mask, void *userdata); -int cg_create_everywhere(CGroupControllerMask supported, CGroupControllerMask mask, const char *path); -int cg_attach_everywhere(CGroupControllerMask supported, const char *path, pid_t pid, cg_migrate_callback_t callback, void *userdata); -int cg_attach_many_everywhere(CGroupControllerMask supported, const char *path, Set* pids, cg_migrate_callback_t callback, void *userdata); -int cg_migrate_everywhere(CGroupControllerMask supported, const char *from, const char *to, cg_migrate_callback_t callback, void *userdata); -int cg_trim_everywhere(CGroupControllerMask supported, const char *path, bool delete_root); +int cg_create_everywhere(CGroupMask supported, CGroupMask mask, const char *path); +int cg_attach_everywhere(CGroupMask supported, const char *path, pid_t pid, cg_migrate_callback_t callback, void *userdata); +int cg_attach_many_everywhere(CGroupMask supported, const char *path, Set* pids, cg_migrate_callback_t callback, void *userdata); +int cg_migrate_everywhere(CGroupMask supported, const char *from, const char *to, cg_migrate_callback_t callback, void *userdata); +int cg_trim_everywhere(CGroupMask supported, const char *path, bool delete_root); +int cg_enable_everywhere(CGroupMask supported, CGroupMask mask, const char *p); -CGroupControllerMask cg_mask_supported(void); +int cg_mask_supported(CGroupMask *ret); int cg_kernel_controllers(Set *controllers); + +int cg_unified(void); +void cg_unified_flush(void); + +bool cg_is_unified_wanted(void); +bool cg_is_legacy_wanted(void); + +const char* cgroup_controller_to_string(CGroupController c) _const_; +CGroupController cgroup_controller_from_string(const char *s) _pure_; |