public static SigAction RegisterExceptionHandler(IntPtr action)
{
SigAction sig = new SigAction
{
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($"Could not register SIGSEGV sigaction. Error: {result}");
}
if (OperatingSystem.IsMacOS())
{
result = sigaction(SIGBUS, ref sig, out SigAction oldb);
if (result != 0)
{
throw new InvalidOperationException($"Could not register SIGBUS sigaction. Error: {result}");
}
}
return(old);
}
public static SigAction RegisterExceptionHandler(IntPtr action)
{
SigAction sig = new SigAction
{
sa_handler = action,
sa_flags = SA_SIGINFO
};
sigemptyset(ref sig.sa_mask);
sigaction((int)Signum.SIGSEGV, ref sig, out SigAction old);
return(old);
}
public static SigAction RegisterExceptionHandler(IntPtr action)
{
SigAction sig = new SigAction
{
sa_handler = action,
sa_flags = SA_SIGINFO
};
sigemptyset(ref sig.sa_mask);
int result = sigaction((int)Signum.SIGSEGV, ref sig, out SigAction old);
if (result != 0)
{
throw new InvalidOperationException($"Could not register 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));
}
private static extern int sigaction(int signum, ref SigAction sigAction, out SigAction oldAction);
public static bool RestoreExceptionHandler(SigAction oldAction)
{
return(sigaction((int)Signum.SIGSEGV, ref oldAction, out SigAction _) == 0);
}