From f8634a54e08e2735525ec3e8394de6eece57faff Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Fri, 30 Aug 1991 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1991-08-30

---
 port/portdat.h | 1 +
 port/proc.c    | 4 ++--
 port/segment.c | 4 +---
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/port/portdat.h b/port/portdat.h
index 9bf067d4354f763224294a8b0e1a571e425a02e1..b427e04c2da04053999d1e0bd0888cd9d5862404 100644
--- a/port/portdat.h
+++ b/port/portdat.h
@@ -485,6 +485,7 @@ struct Proc
 	Proc	*rnext;			/* next process in run queue */
 	Proc	*qnext;			/* next process on queue for a QLock */
 	QLock	*qlock;			/* address of qlock being queued for DEBUG */
+	ulong	qlockpc;		/* pc of last call to qlock */
 	int	state;
 	Page	*upage;			/* BUG: should be unlinked from page list */
 	Segment	*seg[NSEG];
diff --git a/port/proc.c b/port/proc.c
index 43c93afe8aaeb802876a63b75074aae20cb42aac..4115d2ea0e78e153a8aa49c56b23dcd75016bdfb 100644
--- a/port/proc.c
+++ b/port/proc.c
@@ -681,10 +681,10 @@ procdump(void)
 	for(i=0; i<conf.nproc; i++){
 		p = procalloc.arena+i;
 		if(p->state != Dead){
-			print("%d:%s %s upc %lux %s ut %ld st %ld r %lux\n",
+			print("%d:%s %s upc %lux %s ut %ld st %ld r %lux qpc %lux\n",
 				p->pid, p->text, 
 				p->pgrp ? p->pgrp->user : "pgrp=0", p->pc, 
-				statename[p->state], p->time[0], p->time[1], p->r);
+				statename[p->state], p->time[0], p->time[1], p->r, p->qlockpc);
 		}
 	}
 }
diff --git a/port/segment.c b/port/segment.c
index 67a8472243d54272b795108e80c4875f261a1db7..1b1571b62aac143373166ed5e5ae522c309c54c5 100644
--- a/port/segment.c
+++ b/port/segment.c
@@ -354,9 +354,7 @@ ibrk(ulong addr, int seg)
 
 	if(newsize > (PTEMAPMEM*SEGMAPSIZE)/BY2PG) {
 		qunlock(&s->lk);
-		pprint("exceeded max segment size\n");
-		pexit("Suicide", 0);
-		error(Esegaddr);
+		return -1;
 	}
 
 	for(i = 0; i < NSEG; i++) {