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using System;
namespace Ryujinx.Memory
{
public static class MemoryManagement
{
public static IntPtr Allocate(ulong size)
{
if (OperatingSystem.IsWindows())
{
IntPtr sizeNint = new IntPtr((long)size);
return MemoryManagementWindows.Allocate(sizeNint);
}
else if (OperatingSystem.IsLinux() ||
OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Allocate(size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static IntPtr Reserve(ulong size)
{
if (OperatingSystem.IsWindows())
{
IntPtr sizeNint = new IntPtr((long)size);
return MemoryManagementWindows.Reserve(sizeNint);
}
else if (OperatingSystem.IsLinux() ||
OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Reserve(size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static bool Commit(IntPtr address, ulong size)
{
if (OperatingSystem.IsWindows())
{
IntPtr sizeNint = new IntPtr((long)size);
return MemoryManagementWindows.Commit(address, sizeNint);
}
else if (OperatingSystem.IsLinux() ||
OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Commit(address, size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static bool Decommit(IntPtr address, ulong size)
{
if (OperatingSystem.IsWindows())
{
IntPtr sizeNint = new IntPtr((long)size);
return MemoryManagementWindows.Decommit(address, sizeNint);
}
else if (OperatingSystem.IsLinux() ||
OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Decommit(address, size);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void Reprotect(IntPtr address, ulong size, MemoryPermission permission, bool throwOnFail)
{
bool result;
if (OperatingSystem.IsWindows())
{
IntPtr sizeNint = new IntPtr((long)size);
result = MemoryManagementWindows.Reprotect(address, sizeNint, permission);
}
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)
{
if (OperatingSystem.IsWindows())
{
return MemoryManagementWindows.Free(address);
}
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())
{
IntPtr sizeNint = new IntPtr((long)size);
return MemoryManagementWindows.CreateSharedMemory(sizeNint, 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)
{
if (OperatingSystem.IsWindows())
{
return MemoryManagementWindows.MapSharedMemory(handle);
}
else if (OperatingSystem.IsLinux() ||
OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.MapSharedMemory(handle);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static void UnmapSharedMemory(IntPtr address)
{
if (OperatingSystem.IsWindows())
{
MemoryManagementWindows.UnmapSharedMemory(address);
}
else if (OperatingSystem.IsLinux() ||
OperatingSystem.IsMacOS())
{
MemoryManagementUnix.UnmapSharedMemory(address);
}
else
{
throw new PlatformNotSupportedException();
}
}
public static IntPtr Remap(IntPtr target, IntPtr source, ulong size)
{
if (OperatingSystem.IsLinux() ||
OperatingSystem.IsMacOS())
{
return MemoryManagementUnix.Remap(target, source, size);
}
else
{
throw new PlatformNotSupportedException();
}
}
}
}
|
