From e7636cd208e5babb0c9f4861bc4be0c3fb797f64 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Tue, 17 Jul 2001 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2001-07-17

---
 port/devproc.c | 3 +++
 port/proc.c    | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/port/devproc.c b/port/devproc.c
index 56ecfd26ca8e051cc8cef00ac686d2e6818a773d..f5bc44332f57753b7d8e9f6dae48ef38c25f6b0d 100644
--- a/port/devproc.c
+++ b/port/devproc.c
@@ -980,6 +980,9 @@ procctlreq(Proc *p, char *va, int n)
 	int i, npc;
 	char buf[64];
 
+	if(p->kp)	/* no ctl requests to kprocs */
+		error(Eperm);
+
 	kstrcpy(buf, va, sizeof buf);
 
 	if(strncmp(buf, "stop", 4) == 0)
diff --git a/port/proc.c b/port/proc.c
index 0fbb01437fe9caf8b3de043689cc63cb3db4a657..fe5793458cc855fb9b3c6162b4e42e6161edc984 100644
--- a/port/proc.c
+++ b/port/proc.c
@@ -475,7 +475,10 @@ sleep(Rendez *r, int (*f)(void*), void *arg)
 	if(up->notepending) {
 		up->notepending = 0;
 		splx(s);
-		error(Eintr);
+		if(up->kp)
+			print("attempt to interrupt %ld %s\n", up->pid, up->text);
+		else
+			error(Eintr);
 	}
 
 	splx(s);