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using System;
namespace Ryujinx.Memory
{
public static class MemoryManagement
{
public static IntPtr Allocate(ulong size, bool forJit)
{
if (OperatingSystem.IsWindows())
{
return MemoryManagementWindows.Allocate((IntPtr)size);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Allocate(size, forJit);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static IntPtr Reserve(ulong size, bool forJit, bool viewCompatible)
{
if (OperatingSystem.IsWindows())
{
return MemoryManagementWindows.Reserve((IntPtr)size, viewCompatible);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Reserve(size, forJit);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void Commit(IntPtr address, ulong size, bool forJit)
{
if (OperatingSystem.IsWindows())
{
MemoryManagementWindows.Commit(address, (IntPtr)size);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
MemoryManagementUnix.Commit(address, size, forJit);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void Decommit(IntPtr address, ulong size)
{
if (OperatingSystem.IsWindows())
{
MemoryManagementWindows.Decommit(address, (IntPtr)size);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
MemoryManagementUnix.Decommit(address, size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void MapView(IntPtr sharedMemory, ulong srcOffset, IntPtr address, ulong size, MemoryBlock owner)
{
if (OperatingSystem.IsWindows())
{
MemoryManagementWindows.MapView(sharedMemory, srcOffset, address, (IntPtr)size, owner);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
MemoryManagementUnix.MapView(sharedMemory, srcOffset, address, size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void UnmapView(IntPtr sharedMemory, IntPtr address, ulong size, MemoryBlock owner)
{
if (OperatingSystem.IsWindows())
{
MemoryManagementWindows.UnmapView(sharedMemory, address, (IntPtr)size, owner);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
MemoryManagementUnix.UnmapView(address, size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void Reprotect(IntPtr address, ulong size, MemoryPermission permission, bool forView, bool throwOnFail)
{
bool result;
if (OperatingSystem.IsWindows())
{
result = MemoryManagementWindows.Reprotect(address, (IntPtr)size, permission, forView);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
result = MemoryManagementUnix.Reprotect(address, size, permission);
}
else
{
throw new PlatformNotSupportedException();
}
if (!result && throwOnFail)
{
throw new MemoryProtectionException(permission);
}
}
public static bool Free(IntPtr address, ulong size)
{
if (OperatingSystem.IsWindows())
{
return MemoryManagementWindows.Free(address, (IntPtr)size);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Free(address);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static IntPtr CreateSharedMemory(ulong size, bool reserve)
{
if (OperatingSystem.IsWindows())
{
return MemoryManagementWindows.CreateSharedMemory((IntPtr)size, reserve);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.CreateSharedMemory(size, reserve);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void DestroySharedMemory(IntPtr handle)
{
if (OperatingSystem.IsWindows())
{
MemoryManagementWindows.DestroySharedMemory(handle);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
MemoryManagementUnix.DestroySharedMemory(handle);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static IntPtr MapSharedMemory(IntPtr handle, ulong size)
{
if (OperatingSystem.IsWindows())
{
return MemoryManagementWindows.MapSharedMemory(handle);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.MapSharedMemory(handle, size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void UnmapSharedMemory(IntPtr address, ulong size)
{
if (OperatingSystem.IsWindows())
{
MemoryManagementWindows.UnmapSharedMemory(address);
}
else if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
{
MemoryManagementUnix.UnmapSharedMemory(address, size);
}
else
{
throw new PlatformNotSupportedException();
}
}
}
}
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