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Atomic operations library.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3775 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Nolan Check
2009-07-13 05:38:34 +00:00
parent 3070e159c6
commit d779554ff3
10 changed files with 258 additions and 115 deletions
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61
Source/Core/Common/Src/Thread.cpp
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@ -31,10 +31,6 @@
namespace Common
{
#ifndef _WIN32
// TODO see thread.h
void MemFence(){;}
#endif
#ifdef _WIN32
@ -325,21 +321,6 @@ void SetCurrentThreadName(const TCHAR* szThreadName)
__except(EXCEPTION_CONTINUE_EXECUTION)
{}
}
// TODO: check if ever inline
LONG SyncInterlockedIncrement(LONG *Dest)
{
return InterlockedIncrement(Dest);
}
LONG SyncInterlockedExchangeAdd(LONG *Dest, LONG Val)
{
return InterlockedExchangeAdd(Dest, Val);
}
LONG SyncInterlockedExchange(LONG *Dest, LONG Val)
{
return InterlockedExchange(Dest, Val);
}
#else // !WIN32, so must be POSIX threads
@ -516,48 +497,6 @@ void Event::Wait()
pthread_mutex_unlock(&mutex_);
}
LONG SyncInterlockedIncrement(LONG *Dest)
{
#if defined(__GNUC__) && defined (__GNUC_MINOR__) && ((4 < __GNUC__) || (4 == __GNUC__ && 1 <= __GNUC_MINOR__))
return __sync_add_and_fetch(Dest, 1);
#else
register int result;
__asm__ __volatile__("lock; xadd %0,%1"
: "=r" (result), "=m" (*Dest)
: "0" (1), "m" (*Dest)
: "memory");
return result;
#endif
}
LONG SyncInterlockedExchangeAdd(LONG *Dest, LONG Val)
{
#if defined(__GNUC__) && defined (__GNUC_MINOR__) && ((4 < __GNUC__) || (4 == __GNUC__ && 1 <= __GNUC_MINOR__))
return __sync_add_and_fetch(Dest, Val);
#else
register int result;
__asm__ __volatile__("lock; xadd %0,%1"
: "=r" (result), "=m" (*Dest)
: "0" (Val), "m" (*Dest)
: "memory");
return result;
#endif
}
LONG SyncInterlockedExchange(LONG *Dest, LONG Val)
{
#if defined(__GNUC__) && defined (__GNUC_MINOR__) && ((4 < __GNUC__) || (4 == __GNUC__ && 1 <= __GNUC_MINOR__))
return __sync_lock_test_and_set(Dest, Val);
#else
register int result;
__asm__ __volatile__("lock; xchg %0,%1"
: "=r" (result), "=m" (*Dest)
: "0" (Val), "m" (*Dest)
: "memory");
return result;
#endif
}
#endif
} // namespace Common