[M3commit] CVS Update: cm3

[Antony Hosking]

CVSROOT:	/usr/cvs
Changes by:	hosking at birch.	09/11/03 21:42:51

Modified files:
	cm3/m3-libs/m3core/src/thread/POSIX/: ThreadPosix.m3 
	cm3/m3-libs/m3core/src/thread/PTHREAD/: ThreadPThread.m3 

Log message:
	Implement check that at most one thread can join.