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TOMOYO Linux Cross Reference
Linux/tools/perf/util/intlist.h

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  1 #ifndef __PERF_INTLIST_H
  2 #define __PERF_INTLIST_H
  3 
  4 #include <linux/rbtree.h>
  5 #include <stdbool.h>
  6 
  7 #include "rblist.h"
  8 
  9 struct int_node {
 10         struct rb_node rb_node;
 11         int i;
 12         void *priv;
 13 };
 14 
 15 struct intlist {
 16         struct rblist rblist;
 17 };
 18 
 19 struct intlist *intlist__new(const char *slist);
 20 void intlist__delete(struct intlist *ilist);
 21 
 22 void intlist__remove(struct intlist *ilist, struct int_node *in);
 23 int intlist__add(struct intlist *ilist, int i);
 24 
 25 struct int_node *intlist__entry(const struct intlist *ilist, unsigned int idx);
 26 struct int_node *intlist__find(struct intlist *ilist, int i);
 27 struct int_node *intlist__findnew(struct intlist *ilist, int i);
 28 
 29 static inline bool intlist__has_entry(struct intlist *ilist, int i)
 30 {
 31         return intlist__find(ilist, i) != NULL;
 32 }
 33 
 34 static inline bool intlist__empty(const struct intlist *ilist)
 35 {
 36         return rblist__empty(&ilist->rblist);
 37 }
 38 
 39 static inline unsigned int intlist__nr_entries(const struct intlist *ilist)
 40 {
 41         return rblist__nr_entries(&ilist->rblist);
 42 }
 43 
 44 /* For intlist iteration */
 45 static inline struct int_node *intlist__first(struct intlist *ilist)
 46 {
 47         struct rb_node *rn = rb_first(&ilist->rblist.entries);
 48         return rn ? rb_entry(rn, struct int_node, rb_node) : NULL;
 49 }
 50 static inline struct int_node *intlist__next(struct int_node *in)
 51 {
 52         struct rb_node *rn;
 53         if (!in)
 54                 return NULL;
 55         rn = rb_next(&in->rb_node);
 56         return rn ? rb_entry(rn, struct int_node, rb_node) : NULL;
 57 }
 58 
 59 /**
 60  * intlist__for_each_entry      - iterate over a intlist
 61  * @pos:        the &struct int_node to use as a loop cursor.
 62  * @ilist:      the &struct intlist for loop.
 63  */
 64 #define intlist__for_each_entry(pos, ilist)     \
 65         for (pos = intlist__first(ilist); pos; pos = intlist__next(pos))
 66 
 67 /**
 68  * intlist__for_each_entry_safe - iterate over a intlist safe against removal of
 69  *                         int_node
 70  * @pos:        the &struct int_node to use as a loop cursor.
 71  * @n:          another &struct int_node to use as temporary storage.
 72  * @ilist:      the &struct intlist for loop.
 73  */
 74 #define intlist__for_each_entry_safe(pos, n, ilist)     \
 75         for (pos = intlist__first(ilist), n = intlist__next(pos); pos;\
 76              pos = n, n = intlist__next(n))
 77 #endif /* __PERF_INTLIST_H */
 78 

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