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Daniel R. 2024-12-24 13:56:31 +01:00
parent 2c0f986c52
commit c284cf72e1
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28 changed files with 4856 additions and 4856 deletions
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106
src/common/spin_lock.cpp
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@ -1,53 +1,53 @@
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/spin_lock.h"
#if _MSC_VER
#include <intrin.h>
#if _M_AMD64
#define __x86_64__ 1
#endif
#if _M_ARM64
#define __aarch64__ 1
#endif
#else
#if __x86_64__
#include <xmmintrin.h>
#endif
#endif
namespace {
void ThreadPause() {
#if __x86_64__
_mm_pause();
#elif __aarch64__ && _MSC_VER
__yield();
#elif __aarch64__
asm("yield");
#endif
}
} // Anonymous namespace
namespace Common {
void SpinLock::lock() {
while (lck.test_and_set(std::memory_order_acquire)) {
ThreadPause();
}
}
void SpinLock::unlock() {
lck.clear(std::memory_order_release);
}
bool SpinLock::try_lock() {
if (lck.test_and_set(std::memory_order_acquire)) {
return false;
}
return true;
}
} // namespace Common
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/spin_lock.h"
#if _MSC_VER
#include <intrin.h>
#if _M_AMD64
#define __x86_64__ 1
#endif
#if _M_ARM64
#define __aarch64__ 1
#endif
#else
#if __x86_64__
#include <xmmintrin.h>
#endif
#endif
namespace {
void ThreadPause() {
#if __x86_64__
_mm_pause();
#elif __aarch64__ && _MSC_VER
__yield();
#elif __aarch64__
asm("yield");
#endif
}
} // Anonymous namespace
namespace Common {
void SpinLock::lock() {
while (lck.test_and_set(std::memory_order_acquire)) {
ThreadPause();
}
}
void SpinLock::unlock() {
lck.clear(std::memory_order_release);
}
bool SpinLock::try_lock() {
if (lck.test_and_set(std::memory_order_acquire)) {
return false;
}
return true;
}
} // namespace Common