[ros-svn] [ion] 20779: - Remove KiServiceCheck and implement PsConvertToGuiThread in its place. Has support for detecting and returning errors in case of invalid cases, currently disabled code for doing the required 4kb->12kb stack conversion, and handling certain failures.

[ion at svn.reactos.org]

- Remove KiServiceCheck and implement PsConvertToGuiThread in its place. Has support for detecting and returning errors in case of invalid cases, currently disabled code for doing the required 4kb->12kb stack conversion, and handling certain failures.


Updated files:
trunk/reactos/ntoskrnl/ke/i386/syscall.S
trunk/reactos/ntoskrnl/ke/kthread.c
trunk/reactos/ntoskrnl/ps/win32.c