* exceptions.cc (sigdelayed): Move declaration to sigproc.h.

* sigproc.h (sigdelayed): Make symbol globally available.
* gendef (sigdelayed): Specifically zero incyg and stacklock.
* signal.cc (sigwaitinfo): Lock _my_tls and try harder to clean up signal
information.

winsup/cygwin/gendef

@@ -196,8 +196,9 @@ _sigdelayed:
 	xorl	%ebp,%ebp
 	xchgl	%ebp,-4(%eax)				# get return address from signal stack
 	xchgl	%ebp,28(%esp)				# store real return address
-leave:	decl	$tls::incyg(%ebx)
-	decl	$tls::stacklock(%ebx)			# unlock
+leave:	xorl	%eax,%eax
+	movl	%eax,$tls::incyg(%ebx)
+	movl	%eax,$tls::stacklock(%ebx)		# unlock
 
 	popl	%eax
 	popl	%ebx