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d9c3190e44
Change-Id: Id304de9618a299a201b946a901a54352772f56fb Reviewed-on: https://dart-review.googlesource.com/48704 Reviewed-by: Siva Annamalai <asiva@google.com> Reviewed-by: Zach Anderson <zra@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
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 RUNTIME_PLATFORM_ATOMIC_LINUX_H_
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#define RUNTIME_PLATFORM_ATOMIC_LINUX_H_
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#if !defined RUNTIME_PLATFORM_ATOMIC_H_
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#error Do not include atomic_linux.h directly. Use atomic.h instead.
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#endif
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#if !defined(HOST_OS_LINUX)
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#error This file should only be included on Linux builds.
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#endif
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namespace dart {
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inline uintptr_t AtomicOperations::FetchAndIncrement(uintptr_t* p) {
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return __sync_fetch_and_add(p, 1);
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}
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inline intptr_t AtomicOperations::FetchAndIncrement(intptr_t* p) {
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return __sync_fetch_and_add(p, 1);
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}
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inline void AtomicOperations::IncrementBy(intptr_t* p, intptr_t value) {
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__sync_fetch_and_add(p, value);
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}
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inline void AtomicOperations::IncrementInt64By(int64_t* p, int64_t value) {
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__sync_fetch_and_add(p, value);
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}
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inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) {
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return __sync_fetch_and_sub(p, 1);
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}
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inline intptr_t AtomicOperations::FetchAndDecrement(intptr_t* p) {
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return __sync_fetch_and_sub(p, 1);
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}
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inline void AtomicOperations::DecrementBy(intptr_t* p, intptr_t value) {
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__sync_fetch_and_sub(p, value);
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}
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inline uword AtomicOperations::CompareAndSwapWord(uword* ptr,
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uword old_value,
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uword new_value) {
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return __sync_val_compare_and_swap(ptr, old_value, new_value);
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}
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inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr,
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uint32_t old_value,
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uint32_t new_value) {
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return __sync_val_compare_and_swap(ptr, old_value, new_value);
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}
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} // namespace dart
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#endif // RUNTIME_PLATFORM_ATOMIC_LINUX_H_
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