diff options
Diffstat (limited to 'src/qml/memory/qv4mm.cpp')
| -rw-r--r-- | src/qml/memory/qv4mm.cpp | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/src/qml/memory/qv4mm.cpp b/src/qml/memory/qv4mm.cpp index 35b2ff2749..3ed1bc48fd 100644 --- a/src/qml/memory/qv4mm.cpp +++ b/src/qml/memory/qv4mm.cpp @@ -848,16 +848,18 @@ Heap::Object *MemoryManager::allocObjectWithMemberData(const QV4::VTable *vtable static uint markStackSize = 0; MarkStack::MarkStack(ExecutionEngine *engine) - : engine(engine) + : m_engine(engine) { - base = (Heap::Base **)engine->gcStack->base(); - top = base; - limit = base + engine->maxGCStackSize()/sizeof(Heap::Base)*3/4; + m_base = (Heap::Base **)engine->gcStack->base(); + m_top = m_base; + const size_t size = engine->maxGCStackSize() / sizeof(Heap::Base); + m_hardLimit = m_base + size; + m_softLimit = m_base + size * 3 / 4; } void MarkStack::drain() { - while (top > base) { + while (m_top > m_base) { Heap::Base *h = pop(); ++markStackSize; Q_ASSERT(h); // at this point we should only have Heap::Base objects in this area on the stack. If not, weird things might happen. @@ -904,20 +906,15 @@ void MemoryManager::collectRoots(MarkStack *markStack) if (keepAlive) qobjectWrapper->mark(markStack); - - if (markStack->top >= markStack->limit) - markStack->drain(); } } void MemoryManager::mark() { markStackSize = 0; - MarkStack markStack(engine); collectRoots(&markStack); - - markStack.drain(); + // dtor of MarkStack drains } void MemoryManager::sweep(bool lastSweep, ClassDestroyStatsCallback classCountPtr) @@ -1220,8 +1217,6 @@ void MemoryManager::collectFromJSStack(MarkStack *markStack) const Q_ASSERT(m->inUse()); // Skip pointers to already freed objects, they are bogus as well m->mark(markStack); - if (markStack->top >= markStack->limit) - markStack->drain(); } ++v; } |