diff options
Diffstat (limited to 'Ryujinx.HLE/HOS/Kernel/Process/KContextIdManager.cs')
| -rw-r--r-- | Ryujinx.HLE/HOS/Kernel/Process/KContextIdManager.cs | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/Ryujinx.HLE/HOS/Kernel/Process/KContextIdManager.cs b/Ryujinx.HLE/HOS/Kernel/Process/KContextIdManager.cs deleted file mode 100644 index 104fe578..00000000 --- a/Ryujinx.HLE/HOS/Kernel/Process/KContextIdManager.cs +++ /dev/null @@ -1,83 +0,0 @@ -using System; -using System.Numerics; - -namespace Ryujinx.HLE.HOS.Kernel.Process -{ - class KContextIdManager - { - private const int IdMasksCount = 8; - - private int[] _idMasks; - - private int _nextFreeBitHint; - - public KContextIdManager() - { - _idMasks = new int[IdMasksCount]; - } - - public int GetId() - { - lock (_idMasks) - { - int id = 0; - - if (!TestBit(_nextFreeBitHint)) - { - id = _nextFreeBitHint; - } - else - { - for (int index = 0; index < IdMasksCount; index++) - { - int mask = _idMasks[index]; - - int firstFreeBit = BitOperations.LeadingZeroCount((uint)((mask + 1) & ~mask)); - - if (firstFreeBit < 32) - { - int baseBit = index * 32 + 31; - - id = baseBit - firstFreeBit; - - break; - } - else if (index == IdMasksCount - 1) - { - throw new InvalidOperationException("Maximum number of Ids reached!"); - } - } - } - - _nextFreeBitHint = id + 1; - - SetBit(id); - - return id; - } - } - - public void PutId(int id) - { - lock (_idMasks) - { - ClearBit(id); - } - } - - private bool TestBit(int bit) - { - return (_idMasks[_nextFreeBitHint / 32] & (1 << (_nextFreeBitHint & 31))) != 0; - } - - private void SetBit(int bit) - { - _idMasks[_nextFreeBitHint / 32] |= (1 << (_nextFreeBitHint & 31)); - } - - private void ClearBit(int bit) - { - _idMasks[_nextFreeBitHint / 32] &= ~(1 << (_nextFreeBitHint & 31)); - } - } -}
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