diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/util/intlist.h | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/intlist.h')
-rw-r--r-- | tools/perf/util/intlist.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/tools/perf/util/intlist.h b/tools/perf/util/intlist.h new file mode 100644 index 000000000..5c19ee001 --- /dev/null +++ b/tools/perf/util/intlist.h @@ -0,0 +1,78 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_INTLIST_H +#define __PERF_INTLIST_H + +#include <linux/rbtree.h> +#include <stdbool.h> + +#include "rblist.h" + +struct int_node { + struct rb_node rb_node; + int i; + void *priv; +}; + +struct intlist { + struct rblist rblist; +}; + +struct intlist *intlist__new(const char *slist); +void intlist__delete(struct intlist *ilist); + +void intlist__remove(struct intlist *ilist, struct int_node *in); +int intlist__add(struct intlist *ilist, int i); + +struct int_node *intlist__entry(const struct intlist *ilist, unsigned int idx); +struct int_node *intlist__find(struct intlist *ilist, int i); +struct int_node *intlist__findnew(struct intlist *ilist, int i); + +static inline bool intlist__has_entry(struct intlist *ilist, int i) +{ + return intlist__find(ilist, i) != NULL; +} + +static inline bool intlist__empty(const struct intlist *ilist) +{ + return rblist__empty(&ilist->rblist); +} + +static inline unsigned int intlist__nr_entries(const struct intlist *ilist) +{ + return rblist__nr_entries(&ilist->rblist); +} + +/* For intlist iteration */ +static inline struct int_node *intlist__first(struct intlist *ilist) +{ + struct rb_node *rn = rb_first_cached(&ilist->rblist.entries); + return rn ? rb_entry(rn, struct int_node, rb_node) : NULL; +} +static inline struct int_node *intlist__next(struct int_node *in) +{ + struct rb_node *rn; + if (!in) + return NULL; + rn = rb_next(&in->rb_node); + return rn ? rb_entry(rn, struct int_node, rb_node) : NULL; +} + +/** + * intlist__for_each_entry - iterate over a intlist + * @pos: the &struct int_node to use as a loop cursor. + * @ilist: the &struct intlist for loop. + */ +#define intlist__for_each_entry(pos, ilist) \ + for (pos = intlist__first(ilist); pos; pos = intlist__next(pos)) + +/** + * intlist__for_each_entry_safe - iterate over a intlist safe against removal of + * int_node + * @pos: the &struct int_node to use as a loop cursor. + * @n: another &struct int_node to use as temporary storage. + * @ilist: the &struct intlist for loop. + */ +#define intlist__for_each_entry_safe(pos, n, ilist) \ + for (pos = intlist__first(ilist), n = intlist__next(pos); pos;\ + pos = n, n = intlist__next(n)) +#endif /* __PERF_INTLIST_H */ |