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wh.h
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wh.h
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/*
* Copyright (c) 2016--2021 Wu, Xingbo <[email protected]>
*
* All rights reserved. No warranty, explicit or implicit, provided.
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
struct wormhole;
struct wormref;
// wormhole {{{
// the wh created by wormhole_create() can work with all of safe/unsafe operations.
extern struct wormhole *
wormhole_create(const struct kvmap_mm * const mm);
// the wh created by whunsafe_create() can only work with the unsafe operations.
extern struct wormhole *
whunsafe_create(const struct kvmap_mm * const mm);
extern struct kv *
wormhole_get(struct wormref * const ref, const struct kref * const key, struct kv * const out);
extern bool
wormhole_probe(struct wormref * const ref, const struct kref * const key);
extern bool
wormhole_put(struct wormref * const ref, struct kv * const kv);
extern bool
wormhole_merge(struct wormref * const ref, const struct kref * const kref,
kv_merge_func uf, void * const priv);
extern bool
wormhole_inpr(struct wormref * const ref, const struct kref * const key,
kv_inp_func uf, void * const priv);
extern bool
wormhole_inpw(struct wormref * const ref, const struct kref * const key,
kv_inp_func uf, void * const priv);
extern bool
wormhole_del(struct wormref * const ref, const struct kref * const key);
extern u64
wormhole_delr(struct wormref * const ref, const struct kref * const start,
const struct kref * const end);
extern struct wormhole_iter *
wormhole_iter_create(struct wormref * const ref);
extern void
wormhole_iter_seek(struct wormhole_iter * const iter, const struct kref * const key);
extern bool
wormhole_iter_valid(struct wormhole_iter * const iter);
extern struct kv *
wormhole_iter_peek(struct wormhole_iter * const iter, struct kv * const out);
extern bool
wormhole_iter_kref(struct wormhole_iter * const iter, struct kref * const kref);
extern bool
wormhole_iter_kvref(struct wormhole_iter * const iter, struct kvref * const kvref);
extern void
wormhole_iter_skip1(struct wormhole_iter * const iter);
extern void
wormhole_iter_skip(struct wormhole_iter * const iter, const u32 nr);
extern struct kv *
wormhole_iter_next(struct wormhole_iter * const iter, struct kv * const out);
extern bool
wormhole_iter_inp(struct wormhole_iter * const iter, kv_inp_func uf, void * const priv);
extern void
wormhole_iter_park(struct wormhole_iter * const iter);
extern void
wormhole_iter_destroy(struct wormhole_iter * const iter);
extern struct wormref *
wormhole_ref(struct wormhole * const map);
extern struct wormhole *
wormhole_unref(struct wormref * const ref);
extern void
wormhole_park(struct wormref * const ref);
extern void
wormhole_resume(struct wormref * const ref);
extern void
wormhole_refresh_qstate(struct wormref * const ref);
// clean with more threads
extern void
wormhole_clean_th(struct wormhole * const map, const u32 nr_threads);
extern void
wormhole_clean(struct wormhole * const map);
extern void
wormhole_destroy(struct wormhole * const map);
// safe API (no need to refresh qstate)
extern struct kv *
whsafe_get(struct wormref * const ref, const struct kref * const key, struct kv * const out);
extern bool
whsafe_probe(struct wormref * const ref, const struct kref * const key);
extern bool
whsafe_put(struct wormref * const ref, struct kv * const kv);
extern bool
whsafe_merge(struct wormref * const ref, const struct kref * const kref,
kv_merge_func uf, void * const priv);
extern bool
whsafe_inpr(struct wormref * const ref, const struct kref * const key,
kv_inp_func uf, void * const priv);
extern bool
whsafe_inpw(struct wormref * const ref, const struct kref * const key,
kv_inp_func uf, void * const priv);
extern bool
whsafe_del(struct wormref * const ref, const struct kref * const key);
extern u64
whsafe_delr(struct wormref * const ref, const struct kref * const start,
const struct kref * const end);
// use wormhole_iter_create
extern void
whsafe_iter_seek(struct wormhole_iter * const iter, const struct kref * const key);
extern struct kv *
whsafe_iter_peek(struct wormhole_iter * const iter, struct kv * const out);
// use wormhole_iter_valid
// use wormhole_iter_peek
// use wormhole_iter_kref
// use wormhole_iter_kvref
// use wormhole_iter_skip1
// use wormhole_iter_skip
// use wormhole_iter_next
// use wormhole_iter_inp
extern void
whsafe_iter_park(struct wormhole_iter * const iter);
extern void
whsafe_iter_destroy(struct wormhole_iter * const iter);
extern struct wormref *
whsafe_ref(struct wormhole * const map);
// use wormhole_unref
// unsafe API
extern struct kv *
whunsafe_get(struct wormhole * const map, const struct kref * const key, struct kv * const out);
extern bool
whunsafe_probe(struct wormhole * const map, const struct kref * const key);
extern bool
whunsafe_put(struct wormhole * const map, struct kv * const kv);
extern bool
whunsafe_merge(struct wormhole * const map, const struct kref * const kref,
kv_merge_func uf, void * const priv);
extern bool
whunsafe_inp(struct wormhole * const map, const struct kref * const key,
kv_inp_func uf, void * const priv);
extern bool
whunsafe_del(struct wormhole * const map, const struct kref * const key);
extern u64
whunsafe_delr(struct wormhole * const map, const struct kref * const start,
const struct kref * const end);
extern struct wormhole_iter *
whunsafe_iter_create(struct wormhole * const map);
extern void
whunsafe_iter_seek(struct wormhole_iter * const iter, const struct kref * const key);
// unsafe iter_valid: use wormhole_iter_valid
// unsafe iter_peek: use wormhole_iter_peek
// unsafe iter_kref: use wormhole_iter_kref
extern void
whunsafe_iter_skip1(struct wormhole_iter * const iter);
extern void
whunsafe_iter_skip(struct wormhole_iter * const iter, const u32 nr);
extern struct kv *
whunsafe_iter_next(struct wormhole_iter * const iter, struct kv * const out);
// unsafe iter_inp: use wormhole_iter_inp
extern void
whunsafe_iter_destroy(struct wormhole_iter * const iter);
extern void
wormhole_fprint(struct wormhole * const map, FILE * const out);
extern const struct kvmap_api kvmap_api_wormhole;
extern const struct kvmap_api kvmap_api_whsafe;
extern const struct kvmap_api kvmap_api_whunsafe;
// }}} wormhole
#ifdef __cplusplus
}
#endif
// vim:fdm=marker