cgroup: move functions about cgroup out of proc_parse.h

It removes a dependence between proc_parse.h and cgroup.h

v2: type fix in the subject
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/cgroup.c

@@ -13,7 +13,6 @@
 #include "cgroup-props.h"
 #include "cr_options.h"
 #include "pstree.h"
-#include "proc_parse.h"
 #include "util.h"
 #include "imgset.h"
 #include "util-pie.h"

criu/include/cgroup.h

@@ -69,4 +69,28 @@ int parse_cg_info(void);
 int new_cg_root_add(char *controller, char *newroot);
 
 extern struct ns_desc cgroup_ns_desc;
+
+/*
+ * This struct describes a group controlled by one controller.
+ * The @name is the controller name or 'name=...' for named cgroups.
+ * The @path is the path from the hierarchy root.
+ */
+
+struct cg_ctl {
+	struct list_head l;
+	char *name;
+	char *path;
+	u32 cgns_prefix;
+};
+
+/*
+ * Returns the list of cg_ctl-s sorted by name
+ */
+struct list_head;
+struct parasite_dump_cgroup_args;
+extern int parse_task_cgroup(int pid, struct parasite_dump_cgroup_args *args, struct list_head *l, unsigned int *n);
+extern void put_ctls(struct list_head *);
+
+int collect_controllers(struct list_head *cgroups, unsigned int *n_cgroups);
+
 #endif /* __CR_CGROUP_H__ */

criu/include/proc_parse.h

@@ -162,29 +162,6 @@ extern int get_fd_mntid(int fd, int *mnt_id);
 struct pid;
 extern int parse_threads(int pid, struct pid **_t, int *_n);
 
-/*
- * This struct describes a group controlled by one controller.
- * The @name is the controller name or 'name=...' for named cgroups.
- * The @path is the path from the hierarchy root.
- */
-
-struct cg_ctl {
-	struct list_head l;
-	char *name;
-	char *path;
-	u32 cgns_prefix;
-};
-
-/*
- * Returns the list of cg_ctl-s sorted by name
- */
-struct list_head;
-struct parasite_dump_cgroup_args;
-extern int parse_task_cgroup(int pid, struct parasite_dump_cgroup_args *args, struct list_head *l, unsigned int *n);
-extern void put_ctls(struct list_head *);
-
-int collect_controllers(struct list_head *cgroups, unsigned int *n_cgroups);
-
 int parse_children(pid_t pid, pid_t **_c, int *_n);
 
 #endif /* __CR_PROC_PARSE_H__ */