3 files changed, 17 insertions(+), 3 deletions(-)

M port/devcons.c
M port/devproc.c
M port/devroot.c

@@ 482,6 482,7 @@ consclose(Chan *c)
 				kbd.raw = 0;
 			qunlock(&kbd);
 		}
+		break;
 	case Qauth:
 	case Qauthcheck:
 	case Qauthent:

@@ 1,4 1,4 @@
-#include	"u.h"
+ #include	"u.h"
 #include	"../port/lib.h"
 #include	"mem.h"
 #include	"dat.h"


@@ 521,8 521,9 @@ procwrite(Chan *c, void *va, long n, ulong offset)
 {
 	int id;
 	Proc *p, *t, *et;
-	char buf[ERRLEN];
+	char *a, buf[ERRLEN];
 
+	a = va;
 	if(c->qid.path & CHDIR)
 		error(Eisdir);
 


@@ 583,7 584,7 @@ procwrite(Chan *c, void *va, long n, ulong offset)
 			error("note not posted");
 		break;
 	case Qnoteid:
-		id = atoi((char*)va);
+		id = atoi(a);
 		if(id == p->pid) {
 			p->noteid = id;
 			break;

@@ 33,6 33,7 @@ Dirtab rootdir[Nfiles]={
 
 static uchar	*rootdata[Nfiles];
 static int	nroot = Qboot - 1;
+static int	recovbusy;
 
 typedef struct Recover Recover;
 struct Recover


@@ 118,8 119,11 @@ rootopen(Chan *c, int omode)
 	default:
 		break;
 	case Qrecover:
+		if(recovbusy)
+			error(Einuse);		
 		if(strcmp(up->user, eve) != 0)
 			error(Eperm);
+		recovbusy = 1;
 		break;
 	}
 


@@ 140,6 144,14 @@ void
 rootclose(Chan *c)
 {
 	USED(c);
+	switch(c->qid.path) {
+	default:
+		break;
+	case Qrecover:
+		if(c->flag&COPEN)
+			recovbusy = 0;
+		break;
+	}
 }
 
 int