| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| 2 | /* ***** BEGIN LICENSE BLOCK *****
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| 3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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| 4 | *
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| 5 | * The contents of this file are subject to the Mozilla Public License Version
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| 6 | * 1.1 (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | * http://www.mozilla.org/MPL/
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| 9 | *
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| 10 | * Software distributed under the License is distributed on an "AS IS" basis,
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| 11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 12 | * for the specific language governing rights and limitations under the
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| 13 | * License.
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| 14 | *
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| 15 | * The Original Code is the Netscape Portable Runtime (NSPR).
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| 16 | *
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| 17 | * The Initial Developer of the Original Code is
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| 18 | * Netscape Communications Corporation.
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| 19 | * Portions created by the Initial Developer are Copyright (C) 1998-2000
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| 20 | * the Initial Developer. All Rights Reserved.
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| 21 | *
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| 22 | * Contributor(s):
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| 23 | *
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| 24 | * Alternatively, the contents of this file may be used under the terms of
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| 25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
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| 26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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| 28 | * of those above. If you wish to allow use of your version of this file only
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| 29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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| 30 | * use your version of this file under the terms of the MPL, indicate your
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| 31 | * decision by deleting the provisions above and replace them with the notice
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| 32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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| 33 | * the provisions above, a recipient may use your version of this file under
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| 34 | * the terms of any one of the MPL, the GPL or the LGPL.
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| 35 | *
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| 36 | * ***** END LICENSE BLOCK ***** */
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| 37 |
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| 38 | #ifndef gcint_h___
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| 39 | #define gcint_h___
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| 40 |
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| 41 | #include "prmon.h"
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| 42 | #include "prgc.h"
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| 43 |
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| 44 | extern PRLogModuleInfo *_pr_msgc_lm;
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| 45 | extern GCInfo _pr_gcData;
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| 46 |
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| 47 | #if defined(_WIN32) && !defined(DEBUG)
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| 48 | #undef INLINE_LOCK
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| 49 | #endif
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| 50 |
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| 51 | #ifdef INLINE_LOCK
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| 52 | #define LOCK_GC() EnterCriticalSection(&_pr_gcData.lock->mutexHandle)
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| 53 | #define UNLOCK_GC() LeaveCriticalSection(&_pr_gcData.lock->mutexHandle)
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| 54 | #else
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| 55 | #define LOCK_GC() PR_EnterMonitor(_pr_gcData.lock)
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| 56 | #define UNLOCK_GC() PR_ExitMonitor (_pr_gcData.lock)
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| 57 | #define GC_IS_LOCKED() (PR_GetMonitorEntryCount(_pr_gcData.lock)!=0)
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| 58 | #endif
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| 59 |
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| 60 | #ifdef DEBUG
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| 61 | #define _GCTRACE(x, y) if (_pr_gcData.flags & x) GCTrace y
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| 62 | #else
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| 63 | #define _GCTRACE(x, y)
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| 64 | #endif
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| 65 |
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| 66 | extern GCBeginGCHook *_pr_beginGCHook;
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| 67 | extern void *_pr_beginGCHookArg;
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| 68 | extern GCBeginGCHook *_pr_endGCHook;
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| 69 | extern void *_pr_endGCHookArg;
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| 70 |
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| 71 | extern GCBeginFinalizeHook *_pr_beginFinalizeHook;
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| 72 | extern void *_pr_beginFinalizeHookArg;
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| 73 | extern GCBeginFinalizeHook *_pr_endFinalizeHook;
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| 74 | extern void *_pr_endFinalizeHookArg;
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| 75 |
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| 76 | extern int _pr_do_a_dump;
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| 77 | extern FILE *_pr_dump_file;
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| 78 |
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| 79 | extern PRLogModuleInfo *_pr_gc_lm;
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| 80 |
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| 81 | /*
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| 82 | ** Root finders. Root finders are used by the GC to find pointers into
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| 83 | ** the GC heap that are not contained in the GC heap.
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| 84 | */
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| 85 | typedef struct RootFinderStr RootFinder;
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| 86 |
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| 87 | struct RootFinderStr {
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| 88 | RootFinder *next;
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| 89 | GCRootFinder *func;
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| 90 | char *name;
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| 91 | void *arg;
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| 92 | };
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| 93 | extern RootFinder *_pr_rootFinders;
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| 94 |
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| 95 | typedef struct CollectorTypeStr {
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| 96 | GCType gctype;
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| 97 | PRUint32 flags;
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| 98 | } CollectorType;
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| 99 |
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| 100 | #define GC_MAX_TYPES 256
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| 101 | extern CollectorType *_pr_collectorTypes;
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| 102 |
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| 103 | #define _GC_TYPE_BUSY 0x1
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| 104 | #define _GC_TYPE_FINAL 0x2
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| 105 | #define _GC_TYPE_WEAK 0x4
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| 106 |
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| 107 | /* Slot in _pr_gcTypes used for free memory */
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| 108 | #define FREE_MEMORY_TYPEIX 255
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| 109 |
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| 110 | extern void _PR_InitGC(PRWord flags);
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| 111 | extern void _MD_InitGC(void);
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| 112 | extern void PR_CALLBACK _PR_ScanFinalQueue(void *notused);
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| 113 |
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| 114 | /*
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| 115 | ** Grow the GC Heap.
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| 116 | */
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| 117 | extern void *_MD_GrowGCHeap(PRUint32 *sizep);
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| 118 |
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| 119 | /*
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| 120 | ** Extend the GC Heap.
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| 121 | */
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| 122 | extern PRBool _MD_ExtendGCHeap(char *base, PRInt32 oldSize, PRInt32 newSize);
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| 123 |
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| 124 | /*
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| 125 | ** Free a GC segment.
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| 126 | */
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| 127 | extern void _MD_FreeGCSegment(void *base, PRInt32 len);
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| 128 |
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| 129 | #endif /* gcint_h___ */
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