johnmccutchan@google.com
919dc2d6eb
* Threads can only register and unregister themselves with ThreadInterrupter. * Profiler is no longer involved in interrupting threads. It's just a callback and the buffer. * Profiler operates lock free using an atomic operation to reserve sample in sample buffer. * Linux, Mac, and Windows done. R=asiva@google.com Review URL: https://codereview.chromium.org//109803002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@31170 260f80e4-7a28-3924-810f-c04153c831b5
23 lines
567 B
C++
23 lines
567 B
C++
// Copyright (c) 2013, 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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#ifndef VM_ATOMIC_H_
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#define VM_ATOMIC_H_
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#include "vm/allocation.h"
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namespace dart {
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class AtomicOperations : public AllStatic {
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public:
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// Atomically fetch the value at p and increment the value at p.
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// Returns the original value at p.
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static uintptr_t FetchAndIncrement(uintptr_t* p);
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};
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} // namespace dart
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#endif // VM_ATOMIC_H_
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