111 lines
2.8 KiB
C
111 lines
2.8 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 Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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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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uint32 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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