internal static uint RegisterService(ref SysCallContext context, ref SystemMessage args)
{
var proc = Scheduler.GetCurrentThread().Process;
if (proc.Service != null)
{
SysCallManager.SetCommand((SysCallTarget)args.Arg1, RegisteredService, proc);
}
return(0);
}
/// <summary>
/// Command is handled by another Service (up call)
/// </summary>
internal static uint RegisteredService(ref SysCallContext context, ref SystemMessage args)
{
var handler = SysCallManager.GetHandler(args.Target);
var targetProcess = handler.Process;
if (targetProcess.Service != null)
{
targetProcess.Service.SwitchToThreadMethod(ref context, ref args);
}
// Will reach only, if callingMethod==Action
return(0);
}
internal static uint GetProcessIDForCommand(ref SysCallContext context, ref SystemMessage args)
{
var handler = SysCallManager.GetHandler((SysCallTarget)args.Arg1);
if (handler == null)
{
KernelMessage.WriteLine("GetProcessIDForCommand {0}: UNKNOWN", args.Arg1);
return(unchecked ((uint)-1));
}
var proc = handler.Process;
if (proc == null)
{
proc = ProcessManager.System;
}
KernelMessage.WriteLine("Return ProcessID {0} for Command {1}", proc.ProcessID, (uint)handler.CommandID);
return((uint)proc.ProcessID);
}