Module Name:	basesrc
Committed By:	nathanw
Date:		Mon May 20 19:18:45 UTC 2002

Modified Files:
	basesrc/lib/libpthread [nathanw_sa]: pthread.c pthread_cancelstub.c
	    pthread_int.h pthread_sig.c

Log Message:
Many signal improvements:

 - Implement sigsuspend()
 - Take pending signals that are unblocked in pthread_sigmask().
 - Tweak the signal mask passed by sigaction() to permit us to manage
   our own thread-specific signal masks.
 - Don't try to deliver signals to zombie threads.
 - Prevent a race between deciding a thread can take a signal and actually
   taking it.
 - Don't put threads that are blocked in a syscall on the run queue.
 - Add debug logging.


To generate a diff of this commit:
cvs rdiff -r1.1.2.24 -r1.1.2.25 basesrc/lib/libpthread/pthread.c
cvs rdiff -r1.1.2.1 -r1.1.2.2 basesrc/lib/libpthread/pthread_cancelstub.c
cvs rdiff -r1.1.2.23 -r1.1.2.24 basesrc/lib/libpthread/pthread_int.h
cvs rdiff -r1.1.2.11 -r1.1.2.12 basesrc/lib/libpthread/pthread_sig.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.