From 37f55a7f9b16e97656d226f173c7b19d89f2a268 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sun, 12 Jan 1992 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1992-01-12

---
 gnot/bbmalloc.c   | 14 ++++++++++++++
 port/devarp.c     |  2 +-
 port/devip.c      |  2 +-
 port/deviproute.c |  4 ++--
 port/devlance.c   |  2 +-
 port/devmnt.c     |  2 +-
 port/error.h      |  8 +++++---
 7 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/gnot/bbmalloc.c b/gnot/bbmalloc.c
index 30f1edb78c60bf8a6b928554a959d8c6992e5b0b..07be0b53cd669fd4d67b9787db2a73dfe4785644 100644
--- a/gnot/bbmalloc.c
+++ b/gnot/bbmalloc.c
@@ -63,9 +63,23 @@ bbfree(void *p, int n)
 	splx(s);
 }
 
+void *
+flushvirtpage(void *p)
+{
+	flushcpucache();
+}
+
 void *
 bbdflush(void *p, int n)
 {
 	flushcpucache();
 	return (void *)(((ulong)p));
 }
+
+int
+bbonstack(void)
+{
+	if(u)
+		return 1;
+	return 0;
+}
diff --git a/port/devarp.c b/port/devarp.c
index 8aff786363bd08590ba96528fadd37ff6b2a4bd6..243c70f13ab33b4361c1f1ec30e6e8d5254fae73 100644
--- a/port/devarp.c
+++ b/port/devarp.c
@@ -244,7 +244,7 @@ arpwrite(Chan *c, char *a, long n, ulong offset)
 				error(Ebadarg);
 
 			if(arpdelete(field[1]) < 0)
-				error(Eaddrnotfound);
+				error(Ebadaddr);
 		}
 	case arpdataqid:
 		if(n != sizeof(Arpentry))
diff --git a/port/devip.c b/port/devip.c
index b4fa571a2bb7481eba60d54fbdc0eb5d9c6ece8d..aaf9ea270654a5689f8de82273f23d240f29860d 100644
--- a/port/devip.c
+++ b/port/devip.c
@@ -624,7 +624,7 @@ iplisten(Chan *c)
 
 	if((s->stproto == &tcpinfo && s->tcpctl.state != Listen) ||
 	   (s->stproto == &ilinfo && s->ilctl.state != Illistening))
-		errors("not announced");
+		error(Enolisten);
 
 	qlock(&s->listenq);
 	if(waserror()) {
diff --git a/port/deviproute.c b/port/deviproute.c
index b9bc97b790fd272991c67f32a617bda698a67954..e0ea9297f88875f03f8a4204293cfca9ebabe0f8 100644
--- a/port/deviproute.c
+++ b/port/deviproute.c
@@ -97,7 +97,7 @@ ipaddroute(ulong dst, ulong mask, ulong gate)
 	 *  filter out impossible requests
 	 */
 	if((dst&mask) != dst)
-		errors("bad ip route");
+		error(Ebadaddr);
 
 	/*
 	 *  see if we already have a route for
@@ -118,7 +118,7 @@ ipaddroute(ulong dst, ulong mask, ulong gate)
 	}
 	if(free == 0){
 		unlock(&iprtab);
-		errors("no free ip routes");
+		error(Enoroute);
 	}
 
 	/*
diff --git a/port/devlance.c b/port/devlance.c
index 4743cc47b4d36c3dd3a8c6d25939ed8f710316e0..d65ca52355f1f3b85004e5cb8fd8c2a9252323c1 100644
--- a/port/devlance.c
+++ b/port/devlance.c
@@ -654,7 +654,7 @@ lanceclonecon(Chan *c)
 		qunlock(e);
 		return e - l.e;
 	}
-	errors("no unused lance channels");
+	error(Enodev);
 }
 
 /*
diff --git a/port/devmnt.c b/port/devmnt.c
index 95d656bfca060e873572dab8954c1eeb2e6a98da..fa36707b410c8367ef7d59e4a4631c60b6eb19e2 100644
--- a/port/devmnt.c
+++ b/port/devmnt.c
@@ -480,7 +480,7 @@ mountrpc(Mnt *m, Mntrpc *r)
 	r->reply.tag = 0;		/* safety check */
 	mountio(m, r);
 	if(r->reply.type == Rerror)
-		errors(r->reply.ename);
+		error(r->reply.ename);
 	if(r->reply.type == Rflush)
 		error(Eintr);
 
diff --git a/port/error.h b/port/error.h
index 47ed50b146892757e07bb52905eed3f0565c3569..dd3e0bea7d327fd8b35c6ad7195552e19986b245 100644
--- a/port/error.h
+++ b/port/error.h
@@ -23,10 +23,14 @@ extern char Enobitstore[];	/* out of bitmap storage */
 extern char Ebadfont[];		/* unallocated font */
 extern char Enofont[];		/* out of font descriptors */
 extern char Eauth[];		/* authentication failure */
-extern char Eaddrnotfound[];	/* network address not found */
+extern char Ebadaddr[];		/* bad network address */
 extern char Emsgsize[];		/* message is too big for protocol */
 extern char Enetbusy[];		/* network device is busy or allocated */
+extern char Enoproto[];		/* network protocol not supported */
+extern char Enoport[];		/* network port not available */
+extern char Enoroute[];		/* no free routes */
 extern char Enoifc[];		/* bad interface or no free interface slots */
+extern char Enolisten[];	/* not announced */
 extern char Ehungup[];		/* write to hungup stream */
 extern char Enodev[];		/* no free devices */
 extern char Enoenv[];		/* no free environment resources */
@@ -62,11 +66,9 @@ extern char Ebadcnt[];		/* read count greater than requested */
 extern char Enovmem[];		/* virtual memory allocation failed */
 extern char Enoasync[];		/* out of async stream modules */
 extern char Enopipe[];		/* out of pipes */
-extern char Enoport[];		/* network port not available */
 extern char Enetunreach[];	/* network unreachable */
 extern char Etimedout[];	/* connection timed out */
 extern char Econrefused[];	/* connection refused */
-extern char Enoproto[];		/* network protocol not supported */
 extern char Eprotonosup[];	/* operation not supported by network protocol */
 extern char Eisstream[];	/* seek on a stream */
 extern char Enofilsys[];	/* out of filsys resources */