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
29 lines
735 B
C++
29 lines
735 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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#include "platform/globals.h"
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#if defined(TARGET_OS_WINDOWS)
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#include "vm/atomic.h"
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namespace dart {
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uintptr_t AtomicOperations::FetchAndIncrement(uintptr_t* p) {
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#if defined(TARGET_ARCH_X64)
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return static_cast<uintptr_t>(
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InterlockedIncrement64(reinterpret_cast<LONGLONG*>(p))) - 1;
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#elif defined(TARGET_ARCH_IA32)
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return static_cast<uintptr_t>(
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InterlockedIncrement(reinterpret_cast<LONG*>(p))) - 1;
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#else
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UNIMPLEMENTED();
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#endif
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}
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} // namespace dart
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#endif // defined(TARGET_OS_WINDOWS)
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