js/src/gc/Iteration.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0 2 * vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0 3 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "jscompartment.h"
michael@0 8 #include "jsgc.h"
michael@0 9
michael@0 10 #include "gc/GCInternals.h"
michael@0 11 #include "js/HashTable.h"
michael@0 12 #include "vm/Runtime.h"
michael@0 13
michael@0 14 #include "jscntxtinlines.h"
michael@0 15 #include "jsgcinlines.h"
michael@0 16
michael@0 17 using namespace js;
michael@0 18 using namespace js::gc;
michael@0 19
michael@0 20 void
michael@0 21 js::TraceRuntime(JSTracer *trc)
michael@0 22 {
michael@0 23 JS_ASSERT(!IS_GC_MARKING_TRACER(trc));
michael@0 24
michael@0 25 MinorGC(trc->runtime(), JS::gcreason::EVICT_NURSERY);
michael@0 26 AutoPrepareForTracing prep(trc->runtime(), WithAtoms);
michael@0 27 MarkRuntime(trc);
michael@0 28 }
michael@0 29
michael@0 30 static void
michael@0 31 IterateCompartmentsArenasCells(JSRuntime *rt, Zone *zone, void *data,
michael@0 32 JSIterateCompartmentCallback compartmentCallback,
michael@0 33 IterateArenaCallback arenaCallback,
michael@0 34 IterateCellCallback cellCallback)
michael@0 35 {
michael@0 36 for (CompartmentsInZoneIter comp(zone); !comp.done(); comp.next())
michael@0 37 (*compartmentCallback)(rt, data, comp);
michael@0 38
michael@0 39 for (size_t thingKind = 0; thingKind != FINALIZE_LIMIT; thingKind++) {
michael@0 40 JSGCTraceKind traceKind = MapAllocToTraceKind(AllocKind(thingKind));
michael@0 41 size_t thingSize = Arena::thingSize(AllocKind(thingKind));
michael@0 42
michael@0 43 for (ArenaIter aiter(zone, AllocKind(thingKind)); !aiter.done(); aiter.next()) {
michael@0 44 ArenaHeader *aheader = aiter.get();
michael@0 45 (*arenaCallback)(rt, data, aheader->getArena(), traceKind, thingSize);
michael@0 46 for (CellIterUnderGC iter(aheader); !iter.done(); iter.next())
michael@0 47 (*cellCallback)(rt, data, iter.getCell(), traceKind, thingSize);
michael@0 48 }
michael@0 49 }
michael@0 50 }
michael@0 51
michael@0 52 void
michael@0 53 js::IterateZonesCompartmentsArenasCells(JSRuntime *rt, void *data,
michael@0 54 IterateZoneCallback zoneCallback,
michael@0 55 JSIterateCompartmentCallback compartmentCallback,
michael@0 56 IterateArenaCallback arenaCallback,
michael@0 57 IterateCellCallback cellCallback)
michael@0 58 {
michael@0 59 AutoPrepareForTracing prop(rt, WithAtoms);
michael@0 60
michael@0 61 for (ZonesIter zone(rt, WithAtoms); !zone.done(); zone.next()) {
michael@0 62 (*zoneCallback)(rt, data, zone);
michael@0 63 IterateCompartmentsArenasCells(rt, zone, data,
michael@0 64 compartmentCallback, arenaCallback, cellCallback);
michael@0 65 }
michael@0 66 }
michael@0 67
michael@0 68 void
michael@0 69 js::IterateZoneCompartmentsArenasCells(JSRuntime *rt, Zone *zone, void *data,
michael@0 70 IterateZoneCallback zoneCallback,
michael@0 71 JSIterateCompartmentCallback compartmentCallback,
michael@0 72 IterateArenaCallback arenaCallback,
michael@0 73 IterateCellCallback cellCallback)
michael@0 74 {
michael@0 75 AutoPrepareForTracing prop(rt, WithAtoms);
michael@0 76
michael@0 77 (*zoneCallback)(rt, data, zone);
michael@0 78 IterateCompartmentsArenasCells(rt, zone, data,
michael@0 79 compartmentCallback, arenaCallback, cellCallback);
michael@0 80 }
michael@0 81
michael@0 82 void
michael@0 83 js::IterateChunks(JSRuntime *rt, void *data, IterateChunkCallback chunkCallback)
michael@0 84 {
michael@0 85 AutoPrepareForTracing prep(rt, SkipAtoms);
michael@0 86
michael@0 87 for (js::GCChunkSet::Range r = rt->gcChunkSet.all(); !r.empty(); r.popFront())
michael@0 88 chunkCallback(rt, data, r.front());
michael@0 89 }
michael@0 90
michael@0 91 void
michael@0 92 js::IterateScripts(JSRuntime *rt, JSCompartment *compartment,
michael@0 93 void *data, IterateScriptCallback scriptCallback)
michael@0 94 {
michael@0 95 MinorGC(rt, JS::gcreason::EVICT_NURSERY);
michael@0 96 AutoPrepareForTracing prep(rt, SkipAtoms);
michael@0 97
michael@0 98 if (compartment) {
michael@0 99 for (CellIterUnderGC i(compartment->zone(), gc::FINALIZE_SCRIPT); !i.done(); i.next()) {
michael@0 100 JSScript *script = i.get<JSScript>();
michael@0 101 if (script->compartment() == compartment)
michael@0 102 scriptCallback(rt, data, script);
michael@0 103 }
michael@0 104 } else {
michael@0 105 for (ZonesIter zone(rt, SkipAtoms); !zone.done(); zone.next()) {
michael@0 106 for (CellIterUnderGC i(zone, gc::FINALIZE_SCRIPT); !i.done(); i.next())
michael@0 107 scriptCallback(rt, data, i.get<JSScript>());
michael@0 108 }
michael@0 109 }
michael@0 110 }
michael@0 111
michael@0 112 void
michael@0 113 js::IterateGrayObjects(Zone *zone, GCThingCallback cellCallback, void *data)
michael@0 114 {
michael@0 115 MinorGC(zone->runtimeFromMainThread(), JS::gcreason::EVICT_NURSERY);
michael@0 116 AutoPrepareForTracing prep(zone->runtimeFromMainThread(), SkipAtoms);
michael@0 117
michael@0 118 for (size_t finalizeKind = 0; finalizeKind <= FINALIZE_OBJECT_LAST; finalizeKind++) {
michael@0 119 for (CellIterUnderGC i(zone, AllocKind(finalizeKind)); !i.done(); i.next()) {
michael@0 120 JSObject *obj = i.get<JSObject>();
michael@0 121 if (obj->isMarked(GRAY))
michael@0 122 cellCallback(data, obj);
michael@0 123 }
michael@0 124 }
michael@0 125 }
michael@0 126
michael@0 127 JS_PUBLIC_API(void)
michael@0 128 JS_IterateCompartments(JSRuntime *rt, void *data,
michael@0 129 JSIterateCompartmentCallback compartmentCallback)
michael@0 130 {
michael@0 131 JS_ASSERT(!rt->isHeapBusy());
michael@0 132
michael@0 133 AutoTraceSession session(rt);
michael@0 134
michael@0 135 for (CompartmentsIter c(rt, WithAtoms); !c.done(); c.next())
michael@0 136 (*compartmentCallback)(rt, data, c);
michael@0 137 }

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