PERFORCE change 57040 for review

[David Xu]

http://perforce.freebsd.org/chv.cgi?CH=57040

Change 57040 by davidxu at davidxu_alona on 2004/07/11 03:55:06

	Only check TDF_DBSUSPEND when P_TRACED is turned on.

Affected files ...

.. //depot/projects/davidxu_ksedbg/src/sys/kern/kern_sig.c#7 edit

Differences ...

==== //depot/projects/davidxu_ksedbg/src/sys/kern/kern_sig.c#7 (text+ko) ====

@@ -2014,7 +2014,7 @@
 	td->td_flags |= TDF_XSIG;
 	mtx_unlock_spin(&sched_lock);
 	td->td_xsig = sig;
-	while (td->td_flags & TDF_XSIG) {
+	while ((p->p_flag & P_TRACED) && (td->td_flags & TDF_XSIG)) {
 		if (p->p_flag & P_SINGLE_EXIT) {
 			mtx_lock_spin(&sched_lock);
 			td->td_flags &= ~TDF_XSIG;
@@ -2047,6 +2047,8 @@
 		mtx_unlock_spin(&sched_lock);
 		PICKUP_GIANT();
 		PROC_LOCK(p);
+		if (!(p->p_flag & P_TRACED))
+			break;
 		if (td->td_flags & TDF_DBSUSPEND) {
 			if (p->p_flag & P_SINGLE_EXIT)
 				break;