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MemoryManagement: Change return types for Commit/Decommit to void (#5325)

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* Replace return type with void for Commit/Decommit

* Small cleanup
This commit is contained in:
TSRBerry 2023-06-24 02:46:04 +02:00 committed by GitHub
parent bf96bc84a8
commit 7d160e98fd
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 32 additions and 33 deletions
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2
src/ARMeilleure/Memory/IJitMemoryBlock.cs
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@ -6,7 +6,7 @@ namespace ARMeilleure.Memory
{
IntPtr Pointer { get; }
bool Commit(ulong offset, ulong size);
void Commit(ulong offset, ulong size);
void MapAsRx(ulong offset, ulong size);
void MapAsRwx(ulong offset, ulong size);

2
src/Ryujinx.Cpu/Jit/JitMemoryBlock.cs
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@ -15,7 +15,7 @@ namespace Ryujinx.Cpu.Jit
_impl = new MemoryBlock(size, flags);
}
public bool Commit(ulong offset, ulong size) => _impl.Commit(offset, size);
public void Commit(ulong offset, ulong size) => _impl.Commit(offset, size);
public void MapAsRx(ulong offset, ulong size) => _impl.Reprotect(offset, size, MemoryPermission.ReadAndExecute);
public void MapAsRwx(ulong offset, ulong size) => _impl.Reprotect(offset, size, MemoryPermission.ReadWriteExecute);

13
src/Ryujinx.Memory/MemoryBlock.cs
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@ -1,6 +1,5 @@
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Threading;
namespace Ryujinx.Memory
@ -101,12 +100,12 @@ namespace Ryujinx.Memory
/// </summary>
/// <param name="offset">Starting offset of the range to be committed</param>
/// <param name="size">Size of the range to be committed</param>
/// <returns>True if the operation was successful, false otherwise</returns>
/// <exception cref="SystemException">Throw when the operation was not successful</exception>
/// <exception cref="ObjectDisposedException">Throw when the memory block has already been disposed</exception>
/// <exception cref="InvalidMemoryRegionException">Throw when either <paramref name="offset"/> or <paramref name="size"/> are out of range</exception>
public bool Commit(ulong offset, ulong size)
public void Commit(ulong offset, ulong size)
{
return MemoryManagement.Commit(GetPointerInternal(offset, size), size, _forJit);
MemoryManagement.Commit(GetPointerInternal(offset, size), size, _forJit);
}
/// <summary>
@ -115,12 +114,12 @@ namespace Ryujinx.Memory
/// </summary>
/// <param name="offset">Starting offset of the range to be decommitted</param>
/// <param name="size">Size of the range to be decommitted</param>
/// <returns>True if the operation was successful, false otherwise</returns>
/// <exception cref="SystemException">Throw when the operation was not successful</exception>
/// <exception cref="ObjectDisposedException">Throw when the memory block has already been disposed</exception>
/// <exception cref="InvalidMemoryRegionException">Throw when either <paramref name="offset"/> or <paramref name="size"/> are out of range</exception>
public bool Decommit(ulong offset, ulong size)
public void Decommit(ulong offset, ulong size)
{
return MemoryManagement.Decommit(GetPointerInternal(offset, size), size);
MemoryManagement.Decommit(GetPointerInternal(offset, size), size);
}
/// <summary>

12
src/Ryujinx.Memory/MemoryManagement.cs
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@ -36,15 +36,15 @@ namespace Ryujinx.Memory
}
}
public static bool Commit(IntPtr address, ulong size, bool forJit)
public static void Commit(IntPtr address, ulong size, bool forJit)
{
if (OperatingSystem.IsWindows())
{
return MemoryManagementWindows.Commit(address, (IntPtr)size);
MemoryManagementWindows.Commit(address, (IntPtr)size);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Commit(address, size, forJit);
MemoryManagementUnix.Commit(address, size, forJit);
}
else
{
@ -52,15 +52,15 @@ namespace Ryujinx.Memory
}
}
public static bool Decommit(IntPtr address, ulong size)
public static void Decommit(IntPtr address, ulong size)
{
if (OperatingSystem.IsWindows())
{
return MemoryManagementWindows.Decommit(address, (IntPtr)size);
MemoryManagementWindows.Decommit(address, (IntPtr)size);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Decommit(address, size);
MemoryManagementUnix.Decommit(address, size);
}
else
{

16
src/Ryujinx.Memory/MemoryManagementUnix.cs
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@ -2,8 +2,6 @@
using System.Collections.Concurrent;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Text;
using static Ryujinx.Memory.MemoryManagerUnixHelper;
namespace Ryujinx.Memory
@ -12,7 +10,7 @@ namespace Ryujinx.Memory
[SupportedOSPlatform("macos")]
static class MemoryManagementUnix
{
private static readonly ConcurrentDictionary<IntPtr, ulong> _allocations = new ConcurrentDictionary<IntPtr, ulong>();
private static readonly ConcurrentDictionary<IntPtr, ulong> _allocations = new();
public static IntPtr Allocate(ulong size, bool forJit)
{
@ -68,7 +66,7 @@ namespace Ryujinx.Memory
return ptr;
}
public static bool Commit(IntPtr address, ulong size, bool forJit)
public static void Commit(IntPtr address, ulong size, bool forJit)
{
MmapProts prot = MmapProts.PROT_READ | MmapProts.PROT_WRITE;
@ -81,11 +79,9 @@ namespace Ryujinx.Memory
{
throw new SystemException(Marshal.GetLastPInvokeErrorMessage());
}
return true;
}
public static bool Decommit(IntPtr address, ulong size)
public static void Decommit(IntPtr address, ulong size)
{
// Must be writable for madvise to work properly.
if (mprotect(address, size, MmapProts.PROT_READ | MmapProts.PROT_WRITE) != 0)
@ -102,8 +98,6 @@ namespace Ryujinx.Memory
{
throw new SystemException(Marshal.GetLastPInvokeErrorMessage());
}
return true;
}
public static bool Reprotect(IntPtr address, ulong size, MemoryPermission permission)
@ -146,7 +140,7 @@ namespace Ryujinx.Memory
if (OperatingSystem.IsMacOS())
{
byte[] memName = Encoding.ASCII.GetBytes("Ryujinx-XXXXXX");
byte[] memName = "Ryujinx-XXXXXX"u8.ToArray();
fixed (byte* pMemName = memName)
{
@ -164,7 +158,7 @@ namespace Ryujinx.Memory
}
else
{
byte[] fileName = Encoding.ASCII.GetBytes("/dev/shm/Ryujinx-XXXXXX");
byte[] fileName = "/dev/shm/Ryujinx-XXXXXX"u8.ToArray();
fixed (byte* pFileName = fileName)
{

16
src/Ryujinx.Memory/MemoryManagementWindows.cs
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@ -10,7 +10,7 @@ namespace Ryujinx.Memory
{
public const int PageSize = 0x1000;
private static readonly PlaceholderManager _placeholders = new PlaceholderManager();
private static readonly PlaceholderManager _placeholders = new();
public static IntPtr Allocate(IntPtr size)
{
@ -55,14 +55,20 @@ namespace Ryujinx.Memory
return ptr;
}
public static bool Commit(IntPtr location, IntPtr size)
public static void Commit(IntPtr location, IntPtr size)
{
return WindowsApi.VirtualAlloc(location, size, AllocationType.Commit, MemoryProtection.ReadWrite) != IntPtr.Zero;
if (WindowsApi.VirtualAlloc(location, size, AllocationType.Commit, MemoryProtection.ReadWrite) == IntPtr.Zero)
{
throw new SystemException(Marshal.GetLastPInvokeErrorMessage());
}
}
public static bool Decommit(IntPtr location, IntPtr size)
public static void Decommit(IntPtr location, IntPtr size)
{
return WindowsApi.VirtualFree(location, size, AllocationType.Decommit);
if (!WindowsApi.VirtualFree(location, size, AllocationType.Decommit))
{
throw new SystemException(Marshal.GetLastPInvokeErrorMessage());
}
}
public static void MapView(IntPtr sharedMemory, ulong srcOffset, IntPtr location, IntPtr size, MemoryBlock owner)