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vm::atomic initial structure

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This commit is contained in:
Nekotekina 2014-09-19 23:11:43 +04:00
parent dbd49a55c6
commit b6f8700b8b
10 changed files with 156 additions and 30 deletions
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21
Utilities/SMutex.h
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@ -1,4 +1,5 @@
#pragma once
#include "Emu/Memory/vm_atomic.h"
bool SM_IsAborted();
void SM_Sleep();
@ -24,9 +25,9 @@ template
>
class SMutexBase
{
static_assert(sizeof(T) == sizeof(std::atomic<T>), "Invalid SMutexBase type");
static_assert(sizeof(T) == sizeof(vm::atomic_le<T>), "Invalid SMutexBase type");
T owner;
typedef std::atomic<T> AT;
typedef vm::atomic_le<T> AT;
public:
static const T GetFreeValue()
@ -46,11 +47,6 @@ public:
owner = GetFreeValue();
}
//SMutexBase()
//{
// initialize();
//}
void finalize()
{
owner = GetDeadValue();
@ -67,9 +63,9 @@ public:
{
return SMR_ABORT;
}
T old = GetFreeValue();
T old = reinterpret_cast<AT&>(owner).compare_and_swap(GetFreeValue(), tid);
if (!reinterpret_cast<AT&>(owner).compare_exchange_strong(old, tid))
if (old != GetFreeValue())
{
if (old == tid)
{
@ -91,9 +87,9 @@ public:
{
return SMR_ABORT;
}
T old = tid;
T old = reinterpret_cast<AT&>(owner).compare_and_swap(tid, to);
if (!reinterpret_cast<AT&>(owner).compare_exchange_strong(old, to))
if (old != tid)
{
if (old == GetFreeValue())
{
@ -132,5 +128,4 @@ public:
}
};
typedef SMutexBase<u32>
SMutex;
typedef SMutexBase<u32> SMutex;