X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fbasic%2Fcgroup-util.h;h=5fbea23d05406f231778ab83db3c48e146bfea16;hp=2c91a86714f94fd28b34365e0d7224980dc552ef;hb=0f58036abf34e92313105839658420e95acfdd7e;hpb=bded7ff92626801b36208fd7a215fdafbcd5b7e4 diff --git a/src/basic/cgroup-util.h b/src/basic/cgroup-util.h index 2c91a8671..5fbea23d0 100644 --- a/src/basic/cgroup-util.h +++ b/src/basic/cgroup-util.h @@ -63,10 +63,12 @@ typedef enum CGroupMask { #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) +#if 0 /// UNNEEDED by elogind static inline bool CGROUP_WEIGHT_IS_OK(uint64_t x) { return x == CGROUP_WEIGHT_INVALID || @@ -114,6 +116,17 @@ static inline bool CGROUP_BLKIO_WEIGHT_IS_OK(uint64_t x) { } #endif // 0 +/* Default resource limits */ +#define DEFAULT_TASKS_MAX_PERCENTAGE 15U /* 15% of PIDs, 4915 on default settings */ +#define DEFAULT_USER_TASKS_MAX_PERCENTAGE 33U /* 33% of PIDs, 10813 on default settings */ + +typedef enum CGroupUnified { + CGROUP_UNIFIED_UNKNOWN = -1, + CGROUP_UNIFIED_NONE = 0, /* Both systemd and controllers on legacy */ + CGROUP_UNIFIED_SYSTEMD = 1, /* Only systemd on unified */ + CGROUP_UNIFIED_ALL = 2, /* Both systemd and controllers on unified */ +} CGroupUnified; + /* * General rules: * @@ -171,10 +184,14 @@ int cg_create_and_attach(const char *controller, const char *path, pid_t pid); 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_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_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); @@ -236,13 +253,17 @@ int cg_kernel_controllers(Set *controllers); bool cg_ns_supported(void); #endif // 0 -int cg_unified(void); #if 0 /// UNNEEDED by elogind -void cg_unified_flush(void); +bool cg_all_unified(void); +bool cg_unified(const char *controller); +int cg_unified_flush(void); bool cg_is_unified_wanted(void); #endif // 0 bool cg_is_legacy_wanted(void); +#if 0 /// UNNEEDED by elogind +bool cg_is_unified_systemd_controller_wanted(void); +#endif // 0 const char* cgroup_controller_to_string(CGroupController c) _const_; CGroupController cgroup_controller_from_string(const char *s) _pure_; @@ -252,3 +273,6 @@ int cg_weight_parse(const char *s, uint64_t *ret); int cg_cpu_shares_parse(const char *s, uint64_t *ret); int cg_blkio_weight_parse(const char *s, uint64_t *ret); #endif // 0 + +bool is_cgroup_fs(const struct statfs *s); +bool fd_is_cgroup_fs(int fd);