Clean up deleted files.
This commit is contained in:
parent
aa2992a474
commit
38e4cf5f34
@ -1,191 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 1992 William F. Jolitz, TeleMuse
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This software is a component of "386BSD" developed by
|
||||
William F. Jolitz, TeleMuse.
|
||||
* 4. Neither the name of the developer nor the name "386BSD"
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS A COMPONENT OF 386BSD DEVELOPED BY WILLIAM F. JOLITZ
|
||||
* AND IS INTENDED FOR RESEARCH AND EDUCATIONAL PURPOSES ONLY. THIS
|
||||
* SOFTWARE SHOULD NOT BE CONSIDERED TO BE A COMMERCIAL PRODUCT.
|
||||
* THE DEVELOPER URGES THAT USERS WHO REQUIRE A COMMERCIAL PRODUCT
|
||||
* NOT MAKE USE THIS WORK.
|
||||
*
|
||||
* FOR USERS WHO WISH TO UNDERSTAND THE 386BSD SYSTEM DEVELOPED
|
||||
* BY WILLIAM F. JOLITZ, WE RECOMMEND THE USER STUDY WRITTEN
|
||||
* REFERENCES SUCH AS THE "PORTING UNIX TO THE 386" SERIES
|
||||
* (BEGINNING JANUARY 1991 "DR. DOBBS JOURNAL", USA AND BEGINNING
|
||||
* JUNE 1991 "UNIX MAGAZIN", GERMANY) BY WILLIAM F. JOLITZ AND
|
||||
* LYNNE GREER JOLITZ, AS WELL AS OTHER BOOKS ON UNIX AND THE
|
||||
* ON-LINE 386BSD USER MANUAL BEFORE USE. A BOOK DISCUSSING THE INTERNALS
|
||||
* OF 386BSD ENTITLED "386BSD FROM THE INSIDE OUT" WILL BE AVAILABLE LATE 1992.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $Id: subr_rlist.c,v 1.2 1993/05/20 02:55:01 cgd Exp $
|
||||
*/
|
||||
|
||||
#include "sys/param.h"
|
||||
#include "sys/cdefs.h"
|
||||
#include "sys/malloc.h"
|
||||
#include "rlist.h"
|
||||
|
||||
/*
|
||||
* Resource lists.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Add space to a resource list. Used to either
|
||||
* initialize a list or return free space to it.
|
||||
*/
|
||||
rlist_free (rlp, start, end)
|
||||
register struct rlist **rlp; unsigned start, end; {
|
||||
struct rlist *head;
|
||||
|
||||
head = *rlp;
|
||||
|
||||
loop:
|
||||
/* if nothing here, insert (tail of list) */
|
||||
if (*rlp == 0) {
|
||||
*rlp = (struct rlist *)malloc(sizeof(**rlp), M_TEMP, M_NOWAIT);
|
||||
(*rlp)->rl_start = start;
|
||||
(*rlp)->rl_end = end;
|
||||
(*rlp)->rl_next = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
/* if new region overlaps something currently present, panic */
|
||||
if (start >= (*rlp)->rl_start && start <= (*rlp)->rl_end) {
|
||||
printf("Frag %d:%d, ent %d:%d ", start, end,
|
||||
(*rlp)->rl_start, (*rlp)->rl_end);
|
||||
panic("overlapping front rlist_free: freed twice?");
|
||||
}
|
||||
if (end >= (*rlp)->rl_start && end <= (*rlp)->rl_end) {
|
||||
printf("Frag %d:%d, ent %d:%d ", start, end,
|
||||
(*rlp)->rl_start, (*rlp)->rl_end);
|
||||
panic("overlapping tail rlist_free: freed twice?");
|
||||
}
|
||||
|
||||
/* are we adjacent to this element? (in front) */
|
||||
if (end+1 == (*rlp)->rl_start) {
|
||||
/* coalesce */
|
||||
(*rlp)->rl_start = start;
|
||||
goto scan;
|
||||
}
|
||||
|
||||
/* are we before this element? */
|
||||
if (end < (*rlp)->rl_start) {
|
||||
register struct rlist *nlp;
|
||||
|
||||
nlp = (struct rlist *)malloc(sizeof(*nlp), M_TEMP, M_NOWAIT);
|
||||
nlp->rl_start = start;
|
||||
nlp->rl_end = end;
|
||||
nlp->rl_next = *rlp;
|
||||
*rlp = nlp;
|
||||
return;
|
||||
}
|
||||
|
||||
/* are we adjacent to this element? (at tail) */
|
||||
if ((*rlp)->rl_end + 1 == start) {
|
||||
/* coalesce */
|
||||
(*rlp)->rl_end = end;
|
||||
goto scan;
|
||||
}
|
||||
|
||||
/* are we after this element */
|
||||
if (start > (*rlp)->rl_end) {
|
||||
rlp = &((*rlp)->rl_next);
|
||||
goto loop;
|
||||
} else
|
||||
panic("rlist_free: can't happen");
|
||||
|
||||
scan:
|
||||
/* can we coalesce list now that we've filled a void? */
|
||||
{
|
||||
register struct rlist *lp, *lpn;
|
||||
|
||||
for (lp = head; lp->rl_next ;) {
|
||||
lpn = lp->rl_next;
|
||||
|
||||
/* coalesce ? */
|
||||
if (lp->rl_end + 1 == lpn->rl_start) {
|
||||
lp->rl_end = lpn->rl_end;
|
||||
lp->rl_next = lpn->rl_next;
|
||||
free(lpn, M_TEMP);
|
||||
} else
|
||||
lp = lp->rl_next;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Obtain a region of desired size from a resource list.
|
||||
* If nothing available of that size, return 0. Otherwise,
|
||||
* return a value of 1 and set resource start location with
|
||||
* "*loc". (Note: loc can be zero if we don't wish the value)
|
||||
*/
|
||||
int rlist_alloc (rlp, size, loc)
|
||||
struct rlist **rlp; unsigned size, *loc; {
|
||||
register struct rlist *lp;
|
||||
|
||||
|
||||
/* walk list, allocating first thing that's big enough (first fit) */
|
||||
for (; *rlp; rlp = &((*rlp)->rl_next))
|
||||
if(size <= (*rlp)->rl_end - (*rlp)->rl_start + 1) {
|
||||
|
||||
/* hand it to the caller */
|
||||
if (loc) *loc = (*rlp)->rl_start;
|
||||
(*rlp)->rl_start += size;
|
||||
|
||||
/* did we eat this element entirely? */
|
||||
if ((*rlp)->rl_start > (*rlp)->rl_end) {
|
||||
lp = (*rlp)->rl_next;
|
||||
free (*rlp, M_TEMP);
|
||||
*rlp = lp;
|
||||
}
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
||||
/* nothing in list that's big enough */
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Finished with this resource list, reclaim all space and
|
||||
* mark it as being empty.
|
||||
*/
|
||||
rlist_destroy (rlp)
|
||||
struct rlist **rlp; {
|
||||
struct rlist *lp, *nlp;
|
||||
|
||||
lp = *rlp;
|
||||
*rlp = 0;
|
||||
for (; lp; lp = nlp) {
|
||||
nlp = lp->rl_next;
|
||||
free (lp, M_TEMP);
|
||||
}
|
||||
}
|
@ -1,40 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 1992 William Jolitz. All rights reserved.
|
||||
* Written by William Jolitz 1/92
|
||||
*
|
||||
* Redistribution and use in source and binary forms are freely permitted
|
||||
* provided that the above copyright notice and attribution and date of work
|
||||
* and this paragraph are duplicated in all such forms.
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* Resource lists.
|
||||
*
|
||||
* Usage:
|
||||
* rlist_free(&swapmap, 100, 200); add space to swapmap
|
||||
* rlist_alloc(&swapmap, 100, &loc); obtain 100 sectors from swap
|
||||
*
|
||||
* $Id: rlist.h,v 1.4 1993/05/20 16:23:00 cgd Exp $
|
||||
*/
|
||||
|
||||
#ifndef _SYS_RLIST_H_
|
||||
#define _SYS_RLIST_H_
|
||||
|
||||
/* A resource list element. */
|
||||
struct rlist {
|
||||
unsigned rl_start; /* boundaries of extent - inclusive */
|
||||
unsigned rl_end; /* boundaries of extent - inclusive */
|
||||
struct rlist *rl_next; /* next list entry, if present */
|
||||
};
|
||||
|
||||
/* Functions to manipulate resource lists. */
|
||||
extern rlist_free __P((struct rlist **, unsigned, unsigned));
|
||||
int rlist_alloc __P((struct rlist **, unsigned, unsigned *));
|
||||
extern rlist_destroy __P((struct rlist **));
|
||||
|
||||
|
||||
/* heads of lists */
|
||||
extern struct rlist *swapmap;
|
||||
|
||||
#endif /* !_SYS_RLIST_H_ */
|
Loading…
x
Reference in New Issue
Block a user