What is a defendant's right to an in-camera, ex-parte examination of the prosecutor's motives for excluding blacks from jury?

defendant's right to due process or his other rights guaranteed by the constitution." United States v. Thompson, 827 F.2d 1254, 1258 (9th Cir. 1987) (district judge violated defendant's right to due process in conducting in-camera, ex-parte examination of the prosecutor's motives for excluding blacks from jury). Similarly, a court "may not adopt procedures that tend to significantly favor one party over the other." Id. "The right of a criminal defendant to an adversary proceeding is fundamental to our system of justice." Id.