crafterpika/ryujinx
1
0
Fork 0
mirror of https://git.ryujinx.app/ryubing/ryujinx.git synced 2025-07-26 19:07:12 +02:00
Code Issues Projects Releases Packages Wiki Activity

Move most of signal handling to Ryujinx.Cpu project (#6128)

Browse source 
* Move most of signal handling to Ryujinx.Cpu project

* Format whitespace

* Remove unused member

* Format whitespace

* This does not need to be public anymore
This commit is contained in:
gdkchan 2024-01-18 14:08:40 -03:00 • committed by GitHub
parent 72634c80f4
commit 2dbbc9bc05
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
12 changed files with 253 additions and 253 deletions
Download patch file Download diff file Expand all files Collapse all files

83
src/Ryujinx.Cpu/Signal/UnixSignalHandlerRegistration.cs Normal file
View file

@ -0,0 +1,83 @@
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.Cpu.Signal
{
static partial class UnixSignalHandlerRegistration
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public unsafe struct SigSet
{
fixed long sa_mask[16];
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct SigAction
{
public IntPtr sa_handler;
public SigSet sa_mask;
public int sa_flags;
public IntPtr sa_restorer;
}
private const int SIGSEGV = 11;
private const int SIGBUS = 10;
private const int SA_SIGINFO = 0x00000004;
[LibraryImport("libc", SetLastError = true)]
private static partial int sigaction(int signum, ref SigAction sigAction, out SigAction oldAction);
[LibraryImport("libc", SetLastError = true)]
private static partial int sigaction(int signum, IntPtr sigAction, out SigAction oldAction);
[LibraryImport("libc", SetLastError = true)]
private static partial int sigemptyset(ref SigSet set);
public static SigAction GetSegfaultExceptionHandler()
{
int result = sigaction(SIGSEGV, IntPtr.Zero, out SigAction old);
if (result != 0)
{
throw new InvalidOperationException($"Could not get SIGSEGV sigaction. Error: {result}");
}
return old;
}
public static SigAction RegisterExceptionHandler(IntPtr action)
{
SigAction sig = new()
{
sa_handler = action,
sa_flags = SA_SIGINFO,
};
sigemptyset(ref sig.sa_mask);
int result = sigaction(SIGSEGV, ref sig, out SigAction old);
if (result != 0)
{
throw new InvalidOperationException($"Could not register SIGSEGV sigaction. Error: {result}");
}
if (OperatingSystem.IsMacOS())
{
result = sigaction(SIGBUS, ref sig, out _);
if (result != 0)
{
throw new InvalidOperationException($"Could not register SIGBUS sigaction. Error: {result}");
}
}
return old;
}
public static bool RestoreExceptionHandler(SigAction oldAction)
{
return sigaction(SIGSEGV, ref oldAction, out SigAction _) == 0 && (!OperatingSystem.IsMacOS() || sigaction(SIGBUS, ref oldAction, out SigAction _) == 0);
}
}
}