The Tor Browser: xpcom/base/nsCycleCollector.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsCycleCollector_h__

     7 #define nsCycleCollector_h__

     9 class nsICycleCollectorListener;

    10 class nsISupports;

    12 #include "nsError.h"

    13 #include "nsID.h"

    15 namespace mozilla {

    17 class CycleCollectedJSRuntime;

    19 // See the comments in nsContentUtils.h for explanations of these functions.

    20 typedef void* (*DeferredFinalizeAppendFunction)(void* pointers, void* thing);

    21 typedef bool (*DeferredFinalizeFunction)(uint32_t slice, void* data);

    23 }

    25 bool nsCycleCollector_init();

    27 void nsCycleCollector_startup();

    29 typedef void (*CC_BeforeUnlinkCallback)(void);

    30 void nsCycleCollector_setBeforeUnlinkCallback(CC_BeforeUnlinkCallback aCB);

    32 typedef void (*CC_ForgetSkippableCallback)(void);

    33 void nsCycleCollector_setForgetSkippableCallback(CC_ForgetSkippableCallback aCB);

    35 void nsCycleCollector_forgetSkippable(bool aRemoveChildlessNodes = false,

    36                                       bool aAsyncSnowWhiteFreeing = false);

    38 void nsCycleCollector_prepareForGarbageCollection();

    40 void nsCycleCollector_dispatchDeferredDeletion(bool aContinuation = false);

    41 bool nsCycleCollector_doDeferredDeletion();

    43 void nsCycleCollector_collect(nsICycleCollectorListener *aManualListener);

    45 // If aSliceTime is negative, the CC will run to completion.  If aSliceTime

    46 // is 0, only a minimum quantum of work will be done.  Otherwise, aSliceTime

    47 // will be used as the time budget for the slice, in ms.

    48 void nsCycleCollector_collectSlice(int64_t aSliceTime);

    50 uint32_t nsCycleCollector_suspectedCount();

    51 void nsCycleCollector_shutdown();

    53 // Helpers for interacting with JS

    54 void nsCycleCollector_registerJSRuntime(mozilla::CycleCollectedJSRuntime *aRt);

    55 void nsCycleCollector_forgetJSRuntime();

    57 #define NS_CYCLE_COLLECTOR_LOGGER_CID \

    58 { 0x58be81b4, 0x39d2, 0x437c, \

    59 { 0x94, 0xea, 0xae, 0xde, 0x2c, 0x62, 0x08, 0xd3 } }

    61 extern nsresult

    62 nsCycleCollectorLoggerConstructor(nsISupports* outer,

    63                                   const nsIID& aIID,

    64                                   void* *aInstancePtr);

    66 namespace mozilla {

    67 namespace cyclecollector {

    69 #ifdef DEBUG

    70 bool IsJSHolder(void* aHolder);

    71 #endif

    73 void DeferredFinalize(DeferredFinalizeAppendFunction aAppendFunc,

    74                       DeferredFinalizeFunction aFunc,

    75                       void* aThing);

    76 void DeferredFinalize(nsISupports* aSupports);

    79 } // namespace cyclecollector

    80 } // namespace mozilla

    82 #endif // nsCycleCollector_h__

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