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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Common/Memory/PartialUnmaps/ThreadLocalMap.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Common/Memory/PartialUnmaps/ThreadLocalMap.cs')
-rw-r--r--Ryujinx.Common/Memory/PartialUnmaps/ThreadLocalMap.cs92
1 files changed, 0 insertions, 92 deletions
diff --git a/Ryujinx.Common/Memory/PartialUnmaps/ThreadLocalMap.cs b/Ryujinx.Common/Memory/PartialUnmaps/ThreadLocalMap.cs
deleted file mode 100644
index a3bd5be8..00000000
--- a/Ryujinx.Common/Memory/PartialUnmaps/ThreadLocalMap.cs
+++ /dev/null
@@ -1,92 +0,0 @@
-using System.Runtime.InteropServices;
-using System.Threading;
-
-using static Ryujinx.Common.Memory.PartialUnmaps.PartialUnmapHelpers;
-
-namespace Ryujinx.Common.Memory.PartialUnmaps
-{
- /// <summary>
- /// A simple fixed size thread safe map that can be used from native code.
- /// Integer thread IDs map to corresponding structs.
- /// </summary>
- /// <typeparam name="T">The value type for the map</typeparam>
- [StructLayout(LayoutKind.Sequential, Pack = 1)]
- public struct ThreadLocalMap<T> where T : unmanaged
- {
- public const int MapSize = 20;
-
- public Array20<int> ThreadIds;
- public Array20<T> Structs;
-
- public static int ThreadIdsOffset;
- public static int StructsOffset;
-
- /// <summary>
- /// Populates the field offsets for use when emitting native code.
- /// </summary>
- static ThreadLocalMap()
- {
- ThreadLocalMap<T> instance = new ThreadLocalMap<T>();
-
- ThreadIdsOffset = OffsetOf(ref instance, ref instance.ThreadIds);
- StructsOffset = OffsetOf(ref instance, ref instance.Structs);
- }
-
- /// <summary>
- /// Gets the index of a given thread ID in the map, or reserves one.
- /// When reserving a struct, its value is set to the given initial value.
- /// Returns -1 when there is no space to reserve a new entry.
- /// </summary>
- /// <param name="threadId">Thread ID to use as a key</param>
- /// <param name="initial">Initial value of the associated struct.</param>
- /// <returns>The index of the entry, or -1 if none</returns>
- public int GetOrReserve(int threadId, T initial)
- {
- // Try get a match first.
-
- for (int i = 0; i < MapSize; i++)
- {
- int compare = Interlocked.CompareExchange(ref ThreadIds[i], threadId, threadId);
-
- if (compare == threadId)
- {
- return i;
- }
- }
-
- // Try get a free entry. Since the id is assumed to be unique to this thread, we know it doesn't exist yet.
-
- for (int i = 0; i < MapSize; i++)
- {
- int compare = Interlocked.CompareExchange(ref ThreadIds[i], threadId, 0);
-
- if (compare == 0)
- {
- Structs[i] = initial;
- return i;
- }
- }
-
- return -1;
- }
-
- /// <summary>
- /// Gets the struct value for a given map entry.
- /// </summary>
- /// <param name="index">Index of the entry</param>
- /// <returns>A reference to the struct value</returns>
- public ref T GetValue(int index)
- {
- return ref Structs[index];
- }
-
- /// <summary>
- /// Releases an entry from the map.
- /// </summary>
- /// <param name="index">Index of the entry to release</param>
- public void Release(int index)
- {
- Interlocked.Exchange(ref ThreadIds[index], 0);
- }
- }
-}