ptree: add context argument. OK matt@

This commit is contained in:
rmind 2012-07-11 00:19:28 +00:00
parent 4ce7eb58c5
commit 61498e07d3
2 changed files with 26 additions and 22 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: ptree.c,v 1.5 2009/06/07 03:12:40 yamt Exp $ */
/* $NetBSD: ptree.c,v 1.6 2012/07/11 00:19:28 rmind Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -40,7 +40,7 @@
#include <sys/types.h>
#include <sys/systm.h>
#include <lib/libkern/libkern.h>
__KERNEL_RCSID(0, "$NetBSD: ptree.c,v 1.5 2009/06/07 03:12:40 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: ptree.c,v 1.6 2012/07/11 00:19:28 rmind Exp $");
#else
#include <stddef.h>
#include <stdint.h>
@ -53,7 +53,7 @@ __KERNEL_RCSID(0, "$NetBSD: ptree.c,v 1.5 2009/06/07 03:12:40 yamt Exp $");
#else
#define KASSERT(e) do { } while (/*CONSTCOND*/ 0)
#endif
__RCSID("$NetBSD: ptree.c,v 1.5 2009/06/07 03:12:40 yamt Exp $");
__RCSID("$NetBSD: ptree.c,v 1.6 2012/07/11 00:19:28 rmind Exp $");
#endif /* _KERNEL || _STANDALONE */
#ifdef _LIBC
@ -124,8 +124,8 @@ ptree_matchnode(const pt_tree_t *pt, const pt_node_t *target,
pt_bitoff_t *bitoff_p, pt_slot_t *slots_p)
{
return (*pt->pt_ops->ptto_matchnode)(NODETOKEY(pt, target),
(ptn != NULL ? NODETOKEY(pt, ptn) : NULL), max_bitoff,
bitoff_p, slots_p);
(ptn != NULL ? NODETOKEY(pt, ptn) : NULL),
max_bitoff, bitoff_p, slots_p, pt->pt_context);
}
static inline pt_slot_t
@ -136,8 +136,7 @@ ptree_testnode(const pt_tree_t *pt, const pt_node_t *target,
if (bitlen == 0)
return PT_SLOT_ROOT;
return (*pt->pt_ops->ptto_testnode)(NODETOKEY(pt, target),
PTN_BRANCH_BITOFF(ptn),
bitlen);
PTN_BRANCH_BITOFF(ptn), bitlen, pt->pt_context);
}
static inline bool
@ -145,15 +144,14 @@ ptree_matchkey(const pt_tree_t *pt, const void *key,
const pt_node_t *ptn, pt_bitoff_t bitoff, pt_bitlen_t bitlen)
{
return (*pt->pt_ops->ptto_matchkey)(key, NODETOKEY(pt, ptn),
bitoff, bitlen);
bitoff, bitlen, pt->pt_context);
}
static inline pt_slot_t
ptree_testkey(const pt_tree_t *pt, const void *key, const pt_node_t *ptn)
{
return (*pt->pt_ops->ptto_testkey)(key,
PTN_BRANCH_BITOFF(ptn),
PTN_BRANCH_BITLEN(ptn));
return (*pt->pt_ops->ptto_testkey)(key, PTN_BRANCH_BITOFF(ptn),
PTN_BRANCH_BITLEN(ptn), pt->pt_context);
}
static inline void
@ -166,12 +164,13 @@ ptree_set_position(uintptr_t node, pt_slot_t position)
}
void
ptree_init(pt_tree_t *pt, const pt_tree_ops_t *ops, size_t node_offset,
size_t key_offset)
ptree_init(pt_tree_t *pt, const pt_tree_ops_t *ops, void *context,
size_t node_offset, size_t key_offset)
{
memset(pt, 0, sizeof(*pt));
pt->pt_node_offset = node_offset;
pt->pt_key_offset = key_offset;
pt->pt_context = context;
pt->pt_ops = ops;
}

View File

@ -1,4 +1,5 @@
/* $NetBSD: ptree.h,v 1.5 2012/03/09 15:35:28 christos Exp $ */
/* $NetBSD: ptree.h,v 1.6 2012/07/11 00:19:28 rmind Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* All rights reserved.
@ -27,6 +28,7 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SYS_PTREE_H_
#define _SYS_PTREE_H_
@ -155,12 +157,14 @@ typedef struct pt_node {
#endif /* _PT_PRIVATE */
typedef struct pt_tree_ops {
bool (*ptto_matchnode)(const void *, const void *, pt_bitoff_t,
pt_bitoff_t *, pt_slot_t *);
bool (*ptto_matchkey)(const void *, const void *, pt_bitoff_t,
pt_bitlen_t);
pt_slot_t (*ptto_testnode)(const void *, pt_bitoff_t, pt_bitlen_t);
pt_slot_t (*ptto_testkey)(const void *, pt_bitoff_t, pt_bitlen_t);
bool (*ptto_matchnode)(const void *, const void *,
pt_bitoff_t, pt_bitoff_t *, pt_slot_t *, void *);
bool (*ptto_matchkey)(const void *, const void *,
pt_bitoff_t, pt_bitlen_t, void *);
pt_slot_t (*ptto_testnode)(const void *,
pt_bitoff_t, pt_bitlen_t, void *);
pt_slot_t (*ptto_testkey)(const void *,
pt_bitoff_t, pt_bitlen_t, void *);
} pt_tree_ops_t;
typedef struct pt_tree {
@ -170,13 +174,14 @@ typedef struct pt_tree {
const pt_tree_ops_t *pt_ops;
size_t pt_node_offset;
size_t pt_key_offset;
uintptr_t pt_spare[4];
void *pt_context;
uintptr_t pt_spare[3];
} pt_tree_t;
#define PT_FILTER_MASK 0x00000001 /* node is a mask */
typedef bool (*pt_filter_t)(void *, const void *, int);
void ptree_init(pt_tree_t *, const pt_tree_ops_t *, size_t, size_t);
void ptree_init(pt_tree_t *, const pt_tree_ops_t *, void *, size_t, size_t);
bool ptree_insert_node(pt_tree_t *, void *);
bool ptree_insert_mask_node(pt_tree_t *, void *, pt_bitlen_t);
void * ptree_find_filtered_node(pt_tree_t *, void *, pt_filter_t, void *);