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Header reorganizsateion - Please refer to ChangeLog
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@17407 72102866-910b-0410-8b05-ffd578937521
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David Ayers
parent
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commit
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238 changed files with 694 additions and 544 deletions
296
Headers/Foundation/NSZone.h
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296
Headers/Foundation/NSZone.h
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/** Zone memory management. -*- Mode: ObjC -*-
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Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
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Written by: Yoo C. Chung <wacko@laplace.snu.ac.kr>
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Date: January 1997
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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AutogsdocSource: NSZone.m
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AutogsdocSource: NSPage.m
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*/
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#ifndef __NSZone_h_GNUSTEP_BASE_INCLUDE
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#define __NSZone_h_GNUSTEP_BASE_INCLUDE
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typedef struct _NSZone NSZone;
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#include <Foundation/NSObjCRuntime.h>
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@class NSString;
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/* The members are the same as the structure mstats which is in the
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GNU C library. */
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struct NSZoneStats
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{
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size_t bytes_total;
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size_t chunks_used;
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size_t bytes_used;
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size_t chunks_free;
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size_t bytes_free;
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};
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struct _NSZone
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{
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/* Functions for zone. */
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void *(*malloc)(struct _NSZone *zone, size_t size);
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void *(*realloc)(struct _NSZone *zone, void *ptr, size_t size);
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void (*free)(struct _NSZone *zone, void *ptr);
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void (*recycle)(struct _NSZone *zone);
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BOOL (*check)(struct _NSZone *zone);
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BOOL (*lookup)(struct _NSZone *zone, void *ptr);
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struct NSZoneStats (*stats)(struct _NSZone *zone);
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size_t gran; // Zone granularity
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NSString *name; // Name of zone (default is 'nil')
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NSZone *next;
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};
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void *GSOutOfMemory(size_t size, BOOL retry);
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#ifdef IN_NSZONE_M
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#define GS_ZONE_SCOPE extern
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#define GS_ZONE_ATTR
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#else
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#define GS_ZONE_SCOPE static inline
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#define GS_ZONE_ATTR __attribute__((unused))
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#endif
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/* Default zone. Name is hopelessly long so that no one will ever
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want to use it. ;) Private variable. */
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GS_EXPORT NSZone* __nszone_private_hidden_default_zone;
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#ifndef GS_WITH_GC
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#define GS_WITH_GC 0
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#endif
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#if GS_WITH_GC
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#include <gc.h>
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GS_EXPORT NSZone* __nszone_private_hidden_atomic_zone;
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GS_ZONE_SCOPE NSZone* NSCreateZone (size_t start, size_t gran, BOOL canFree)
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{ return __nszone_private_hidden_default_zone; }
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GS_ZONE_SCOPE NSZone* NSDefaultMallocZone (void)
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{ return __nszone_private_hidden_default_zone; }
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GS_ZONE_SCOPE NSZone* GSAtomicMallocZone (void)
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{ return __nszone_private_hidden_atomic_zone; }
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GS_ZONE_SCOPE NSZone* NSZoneFromPointer (void *ptr)
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{ return __nszone_private_hidden_default_zone; }
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GS_ZONE_SCOPE void* NSZoneMalloc (NSZone *zone, size_t size)
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{
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void *ptr;
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if (zone == GSAtomicMallocZone())
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ptr = (void*)GC_MALLOC_ATOMIC(size);
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else
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ptr = (void*)GC_MALLOC(size);
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if (ptr == 0)
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ptr = GSOutOfMemory(size, YES);
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return ptr;
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}
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GS_ZONE_SCOPE void* NSZoneCalloc (NSZone *zone, size_t elems, size_t bytes)
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{
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size_t size = elems * bytes;
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void *ptr;
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if (zone == __nszone_private_hidden_atomic_zone)
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ptr = (void*)GC_MALLOC_ATOMIC(size);
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else
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ptr = (void*)GC_MALLOC(size);
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if (ptr == 0)
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ptr = GSOutOfMemory(size, NO);
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memset(ptr, '\0', size);
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return ptr;
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}
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GS_ZONE_SCOPE void* NSZoneRealloc (NSZone *zone, void *ptr, size_t size)
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{
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ptr = GC_REALLOC(ptr, size);
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if (ptr == 0)
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GSOutOfMemory(size, NO);
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return ptr;
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}
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GS_ZONE_SCOPE void NSRecycleZone (NSZone *zone)
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{
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}
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GS_ZONE_SCOPE void NSZoneFree (NSZone *zone, void *ptr)
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{
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GC_FREE(ptr);
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}
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GS_ZONE_SCOPE void NSSetZoneName (NSZone *zone, NSString *name)
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{
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}
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GS_ZONE_SCOPE NSString* NSZoneName (NSZone *zone)
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{
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return nil;
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}
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#ifndef NO_GNUSTEP
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GS_ZONE_SCOPE void* NSZoneMallocAtomic (NSZone *zone, size_t size)
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{
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return NSZoneMalloc(GSAtomicMallocZone(), size);
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}
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GS_ZONE_SCOPE BOOL NSZoneCheck (NSZone *zone)
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{
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return YES;
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}
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GS_ZONE_SCOPE struct NSZoneStats NSZoneStats (NSZone *zone)
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{
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struct NSZoneStats stats = { 0 };
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return stats;
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}
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#endif
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#else /* GS_WITH_GC */
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GS_EXPORT NSZone* NSCreateZone (size_t start, size_t gran, BOOL canFree);
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GS_ZONE_SCOPE NSZone* NSDefaultMallocZone (void) GS_ZONE_ATTR;
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GS_ZONE_SCOPE NSZone* NSDefaultMallocZone (void)
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{
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return __nszone_private_hidden_default_zone;
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}
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GS_ZONE_SCOPE NSZone* GSAtomicMallocZone (void) GS_ZONE_ATTR;
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GS_ZONE_SCOPE NSZone* GSAtomicMallocZone (void)
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{
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return NSDefaultMallocZone();
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}
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GS_EXPORT NSZone* NSZoneFromPointer (void *ptr);
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GS_ZONE_SCOPE void* NSZoneMalloc (NSZone *zone, size_t size) GS_ZONE_ATTR;
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GS_ZONE_SCOPE void* NSZoneMalloc (NSZone *zone, size_t size)
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{
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if (!zone)
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zone = NSDefaultMallocZone();
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return (zone->malloc)(zone, size);
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}
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GS_EXPORT void* NSZoneCalloc (NSZone *zone, size_t elems, size_t bytes);
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GS_ZONE_SCOPE void*
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NSZoneRealloc (NSZone *zone, void *ptr, size_t size) GS_ZONE_ATTR;
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GS_ZONE_SCOPE void* NSZoneRealloc (NSZone *zone, void *ptr, size_t size)
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{
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if (!zone)
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zone = NSDefaultMallocZone();
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return (zone->realloc)(zone, ptr, size);
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}
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GS_ZONE_SCOPE void NSRecycleZone (NSZone *zone) GS_ZONE_ATTR;
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GS_ZONE_SCOPE void NSRecycleZone (NSZone *zone)
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{
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if (!zone)
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zone = NSDefaultMallocZone();
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(zone->recycle)(zone);
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}
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GS_ZONE_SCOPE void NSZoneFree (NSZone *zone, void *ptr) GS_ZONE_ATTR;
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GS_ZONE_SCOPE void NSZoneFree (NSZone *zone, void *ptr)
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{
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if (!zone)
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zone = NSDefaultMallocZone();
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(zone->free)(zone, ptr);
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}
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GS_EXPORT void NSSetZoneName (NSZone *zone, NSString *name);
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GS_ZONE_SCOPE NSString* NSZoneName (NSZone *zone) GS_ZONE_ATTR;
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GS_ZONE_SCOPE NSString* NSZoneName (NSZone *zone)
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{
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if (!zone)
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zone = NSDefaultMallocZone();
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return zone->name;
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}
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#ifndef NO_GNUSTEP
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GS_ZONE_SCOPE void*
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NSZoneMallocAtomic (NSZone *zone, size_t size) GS_ZONE_ATTR;
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GS_ZONE_SCOPE void* NSZoneMallocAtomic (NSZone *zone, size_t size)
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{
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if (!zone)
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zone = NSDefaultMallocZone();
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return (zone->malloc)(zone, size);
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}
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GS_ZONE_SCOPE BOOL NSZoneCheck (NSZone *zone) GS_ZONE_ATTR;
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GS_ZONE_SCOPE BOOL NSZoneCheck (NSZone *zone)
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{
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if (!zone)
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zone = NSDefaultMallocZone();
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return (zone->check)(zone);
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}
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GS_ZONE_SCOPE struct NSZoneStats NSZoneStats (NSZone *zone) GS_ZONE_ATTR;
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GS_ZONE_SCOPE struct NSZoneStats NSZoneStats (NSZone *zone)
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{
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if (!zone)
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zone = NSDefaultMallocZone();
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return (zone->stats)(zone);
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}
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#endif /* NO_GNUSTEP */
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#endif /* GS_WITH_GC */
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GS_EXPORT unsigned NSPageSize (void) __attribute__ ((const));
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GS_EXPORT unsigned NSLogPageSize (void) __attribute__ ((const));
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GS_EXPORT unsigned NSRoundDownToMultipleOfPageSize (unsigned bytes)
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__attribute__ ((const));
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GS_EXPORT unsigned NSRoundUpToMultipleOfPageSize (unsigned bytes)
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__attribute__ ((const));
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GS_EXPORT unsigned NSRealMemoryAvailable (void);
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GS_EXPORT void* NSAllocateMemoryPages (unsigned bytes);
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GS_EXPORT void NSDeallocateMemoryPages (void *ptr, unsigned bytes);
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GS_EXPORT void NSCopyMemoryPages (const void *src, void *dest, unsigned bytes);
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#endif /* not __NSZone_h_GNUSTEP_BASE_INCLUDE */
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