Daniel Andersson
b739b6319f
Also update some uses of NoHandleScope to NoSafepointScope, which basically means "do not risk GC here". BUG= R=johnmccutchan@google.com Review URL: https://codereview.chromium.org//1292063004 .
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/allocation.h"
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#include "platform/assert.h"
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#include "vm/isolate.h"
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#include "vm/zone.h"
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namespace dart {
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static void* Allocate(uword size, Zone* zone) {
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ASSERT(zone != NULL);
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if (size > static_cast<uword>(kIntptrMax)) {
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FATAL1("ZoneAllocated object has unexpectedly large size %" Pu "", size);
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}
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return reinterpret_cast<void*>(zone->AllocUnsafe(size));
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}
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void* ZoneAllocated::operator new(uword size) {
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return Allocate(size, Thread::Current()->zone());
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}
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void* ZoneAllocated::operator new(uword size, Zone* zone) {
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ASSERT(zone == Thread::Current()->zone());
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return Allocate(size, zone);
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}
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void StackResource::UnwindAbove(Thread* thread, StackResource* new_top) {
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StackResource* current_resource = thread->top_resource();
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while (current_resource != new_top) {
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current_resource->~StackResource();
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current_resource = thread->top_resource();
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}
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}
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#if defined(DEBUG)
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NoSafepointScope::NoSafepointScope() : StackResource(Thread::Current()) {
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thread()->IncrementNoSafepointScopeDepth();
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}
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NoSafepointScope::~NoSafepointScope() {
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thread()->DecrementNoSafepointScopeDepth();
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}
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#endif // defined(DEBUG)
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} // namespace dart
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