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Fixing atomics

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BeaR 2013-04-02 16:53:57 +02:00 committed by oy
parent 73a70b51aa
commit 234a76f0b3
1 changed files with 4 additions and 4 deletions
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8
src/base/tl/threading.h
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@ -7,19 +7,19 @@
atomic_inc - should return the value after increment
atomic_dec - should return the value after decrement
atomic_compswap - should return the value before the eventual swap
sync_barrier - creates a full hardware fence
*/
#if defined(__GNUC__)
inline unsigned atomic_inc(volatile unsigned *pValue)
{
return __sync_fetch_and_add(pValue, 1);
return __sync_add_and_fetch(pValue, 1);
}
inline unsigned atomic_dec(volatile unsigned *pValue)
{
return __sync_fetch_and_add(pValue, -1);
return __sync_add_and_fetch(pValue, -1);
}
inline unsigned atomic_compswap(volatile unsigned *pValue, unsigned comperand, unsigned value)
@ -52,7 +52,7 @@
inline void sync_barrier()
{
_ReadWriteBarrier();
_mm_mfence();
}
#else
#error missing atomic implementation for this compiler