[M3commit] CVS Update: cm3

[Antony Hosking]

CVSROOT:	/usr/cvs
Changes by:	hosking at birch.	09/11/27 20:53:37

Modified files:
	cm3/m3-libs/m3core/src/thread/POSIX/: ThreadPosix.i3 
	                                      ThreadPosix.m3 
	                                      ThreadPosixC.c 

Log message:
	Let's not depend on ucontext_t reporting a reliable stack pointer.