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127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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#ifndef gcint_h___
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#define gcint_h___
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#include "prmon.h"
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#include "prgc.h"
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extern PRLogModuleInfo *_pr_msgc_lm;
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extern GCInfo _pr_gcData;
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#if defined(_WIN32) && !defined(DEBUG)
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#undef INLINE_LOCK
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#endif
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#ifdef INLINE_LOCK
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#define LOCK_GC() EnterCriticalSection(&_pr_gcData.lock->mutexHandle)
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#define UNLOCK_GC() LeaveCriticalSection(&_pr_gcData.lock->mutexHandle)
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#else
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#define LOCK_GC() PR_EnterMonitor(_pr_gcData.lock)
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#define UNLOCK_GC() PR_ExitMonitor (_pr_gcData.lock)
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#define GC_IS_LOCKED() (PR_GetMonitorEntryCount(_pr_gcData.lock)!=0)
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#endif
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#ifdef DEBUG
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#define _GCTRACE(x, y) if (_pr_gcData.flags & x) GCTrace y
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#else
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#define _GCTRACE(x, y)
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#endif
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extern GCBeginGCHook *_pr_beginGCHook;
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extern void *_pr_beginGCHookArg;
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extern GCBeginGCHook *_pr_endGCHook;
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extern void *_pr_endGCHookArg;
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extern GCBeginFinalizeHook *_pr_beginFinalizeHook;
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extern void *_pr_beginFinalizeHookArg;
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extern GCBeginFinalizeHook *_pr_endFinalizeHook;
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extern void *_pr_endFinalizeHookArg;
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extern int _pr_do_a_dump;
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extern FILE *_pr_dump_file;
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extern PRLogModuleInfo *_pr_gc_lm;
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/*
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** Root finders. Root finders are used by the GC to find pointers into
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** the GC heap that are not contained in the GC heap.
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*/
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typedef struct RootFinderStr RootFinder;
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struct RootFinderStr {
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RootFinder *next;
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GCRootFinder *func;
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char *name;
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void *arg;
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};
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extern RootFinder *_pr_rootFinders;
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typedef struct CollectorTypeStr {
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GCType gctype;
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PRUint32 flags;
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} CollectorType;
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#define GC_MAX_TYPES 256
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extern CollectorType *_pr_collectorTypes;
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#define _GC_TYPE_BUSY 0x1
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#define _GC_TYPE_FINAL 0x2
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#define _GC_TYPE_WEAK 0x4
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/* Slot in _pr_gcTypes used for free memory */
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#define FREE_MEMORY_TYPEIX 255
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extern void _PR_InitGC(PRWord flags);
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extern void _MD_InitGC(void);
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extern void PR_CALLBACK _PR_ScanFinalQueue(void *notused);
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/*
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** Grow the GC Heap.
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*/
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extern void *_MD_GrowGCHeap(PRUint32 *sizep);
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/*
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** Extend the GC Heap.
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*/
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extern PRBool _MD_ExtendGCHeap(char *base, PRInt32 oldSize, PRInt32 newSize);
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/*
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** Free a GC segment.
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*/
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extern void _MD_FreeGCSegment(void *base, PRInt32 len);
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#endif /* gcint_h___ */
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