diff options
Diffstat (limited to 'LibOVR/Src/Kernel/OVR_Lockless.h')
| -rw-r--r-- | LibOVR/Src/Kernel/OVR_Lockless.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/LibOVR/Src/Kernel/OVR_Lockless.h b/LibOVR/Src/Kernel/OVR_Lockless.h index 72b6b31..400b198 100644 --- a/LibOVR/Src/Kernel/OVR_Lockless.h +++ b/LibOVR/Src/Kernel/OVR_Lockless.h @@ -59,7 +59,7 @@ public: OVR_COMPILER_ASSERT(sizeof(T) <= sizeof(SlotType)); } - T GetState() const + T GetState() const { // Copy the state out, then retry with the alternate slot // if we determine that our copy may have been partially @@ -71,9 +71,9 @@ public: { // We are adding 0, only using these as atomic memory barriers, so it // is ok to cast off the const, allowing GetState() to remain const. - end = UpdateEnd.ExchangeAdd_Sync(0); + end = UpdateEnd.Load_Acquire(); state = Slots[ end & 1 ]; - begin = UpdateBegin.ExchangeAdd_Sync(0); + begin = UpdateBegin.Load_Acquire(); if ( begin == end ) { break; } @@ -81,7 +81,7 @@ public: // The producer is potentially blocked while only having partially // written the update, so copy out the other slot. state = Slots[ (begin & 1) ^ 1 ]; - final = UpdateBegin.ExchangeAdd_NoSync(0); + final = UpdateBegin.Load_Acquire(); if ( final == begin ) { break; } @@ -100,9 +100,9 @@ public: UpdateEnd.ExchangeAdd_Sync(1); } - mutable AtomicInt<int> UpdateBegin; - mutable AtomicInt<int> UpdateEnd; - SlotType Slots[2]; + AtomicInt<int> UpdateBegin; + AtomicInt<int> UpdateEnd; + SlotType Slots[2]; }; |