Prep v233: Unmask now needed functions in src/basic

[elogind.git] / src / basic / cgroup-util.h

diff --git a/src/basic/cgroup-util.h b/src/basic/cgroup-util.h
index 2ff43843789cb41cb4b30df47060f355c18e6bc7..ac115b4b75c06fcb2f610f4f432e9541f93c90ad 100644 (file)
--- 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:
  *
@@ -137,12 +150,20 @@ int cg_read_event(const char *controller, const char *path, const char *event,
 int cg_enumerate_subgroups(const char *controller, const char *path, DIR **_d);
 int cg_read_subgroup(DIR *d, char **fn);
 
-int cg_kill(const char *controller, const char *path, int sig, bool sigcont, bool ignore_self, Set *s);
-int cg_kill_recursive(const char *controller, const char *path, int sig, bool sigcont, bool ignore_self, bool remove, Set *s);
+typedef enum CGroupFlags {
+        CGROUP_SIGCONT     = 1,
+        CGROUP_IGNORE_SELF = 2,
+        CGROUP_REMOVE      = 4,
+} CGroupFlags;
 
-int cg_migrate(const char *cfrom, const char *pfrom, const char *cto, const char *pto, bool ignore_self);
-int cg_migrate_recursive(const char *cfrom, const char *pfrom, const char *cto, const char *pto, bool ignore_self, bool remove);
-int cg_migrate_recursive_fallback(const char *cfrom, const char *pfrom, const char *cto, const char *pto, bool ignore_self, bool rem);
+typedef void (*cg_kill_log_func_t)(pid_t pid, int sig, void *userdata);
+
+int cg_kill(const char *controller, const char *path, int sig, CGroupFlags flags, Set *s, cg_kill_log_func_t kill_log, void *userdata);
+int cg_kill_recursive(const char *controller, const char *path, int sig, CGroupFlags flags, Set *s, cg_kill_log_func_t kill_log, void *userdata);
+
+int cg_migrate(const char *cfrom, const char *pfrom, const char *cto, const char *pto, CGroupFlags flags);
+int cg_migrate_recursive(const char *cfrom, const char *pfrom, const char *cto, const char *pto, CGroupFlags flags);
+int cg_migrate_recursive_fallback(const char *cfrom, const char *pfrom, const char *cto, const char *pto, CGroupFlags flags);
 
 int cg_split_spec(const char *spec, char **controller, char **path);
 int cg_mangle_path(const char *path, char **result);
@@ -162,11 +183,15 @@ int cg_attach_fallback(const char *controller, const char *path, pid_t pid);
 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);
-#if 0 /// UNNEEDED by elogind
 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);
@@ -224,15 +249,22 @@ int cg_mask_supported(CGroupMask *ret);
 
 #if 0 /// UNNEEDED by elogind
 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);
+int cg_all_unified(void);
+int cg_hybrid_unified(void);
+int cg_unified_controller(const char *controller);
+int cg_unified_flush(void);
 
+#if 0 /// UNNEEDED by elogind
 bool cg_is_unified_wanted(void);
 #endif // 0
 bool cg_is_legacy_wanted(void);
+#if 0 /// UNNEEDED by elogind
+bool cg_is_hybrid_wanted(void);
+#endif // 0
 
 const char* cgroup_controller_to_string(CGroupController c) _const_;
 CGroupController cgroup_controller_from_string(const char *s) _pure_;
@@ -242,3 +274,6 @@ 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);