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be_t<> constructor elimination

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This commit is contained in:
Nekotekina 2014-07-18 20:55:26 +04:00
parent a7971b55ee
commit 74914c5916
15 changed files with 81 additions and 103 deletions
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42
Utilities/SMutex.h
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@ -22,8 +22,8 @@ enum SMutexResult
template
<
typename T,
u64 free_value = 0,
u64 dead_value = 0xffffffff,
const u64 free_value = 0,
const u64 dead_value = 0xffffffffffffffffull,
void (*wait)() = SM_Sleep
>
class SMutexBase
@ -32,20 +32,26 @@ class SMutexBase
std::atomic<T> owner;
public:
SMutexBase()
: owner((T)free_value)
static const T GetFreeValue()
{
static const u64 value = free_value;
return (const T&)value;
}
static const T GetDeadValue()
{
static const u64 value = dead_value;
return (const T&)value;
}
void initialize()
{
(T&)owner = free_value;
owner = GetFreeValue();
}
~SMutexBase()
void finalize()
{
lock((T)dead_value);
owner = (T)dead_value;
owner = GetDeadValue();
}
__forceinline T GetOwner() const
@ -53,23 +59,13 @@ public:
return (T&)owner;
}
__forceinline T GetFreeValue() const
{
return (T)free_value;
}
__forceinline T GetDeadValue() const
{
return (T)dead_value;
}
SMutexResult trylock(T tid)
{
if (Emu.IsStopped())
{
return SMR_ABORT;
}
T old = (T)free_value;
T old = GetFreeValue();
if (!owner.compare_exchange_strong(old, tid))
{
@ -77,7 +73,7 @@ public:
{
return SMR_DEADLOCK;
}
if (old == (T)dead_value)
if (old == GetDeadValue())
{
return SMR_DESTROYED;
}
@ -87,7 +83,7 @@ public:
return SMR_OK;
}
SMutexResult unlock(T tid, T to = (T)free_value)
SMutexResult unlock(T tid, T to = GetFreeValue())
{
if (Emu.IsStopped())
{
@ -97,11 +93,11 @@ public:
if (!owner.compare_exchange_strong(old, to))
{
if (old == (T)free_value)
if (old == GetFreeValue())
{
return SMR_FAILED;
}
if (old == (T)dead_value)
if (old == GetDeadValue())
{
return SMR_DESTROYED;
}