various tweaks.

src/libthread/iocall.c

@@ -3,6 +3,7 @@
 long
 iocall(Ioproc *io, long (*op)(va_list*), ...)
 {
+	char e[ERRMAX];
 	int ret, inted;
 	Ioproc *msg;
 
@@ -39,11 +40,13 @@ iocall(Ioproc *io, long (*op)(va_list*), ...)
 	va_end(io->arg);
 	ret = io->ret;
 	if(ret < 0)
-		errstr(io->err, sizeof io->err);
+		strecpy(e, e+sizeof e, io->err);
 	io->inuse = 0;
 
 	/* release resources */
 	while(send(io->creply, &io) == -1)
 		;
+	if(ret < 0)
+		errstr(e, sizeof e);
 	return ret;
 }

src/libthread/iodial.c

@@ -4,14 +4,17 @@ static long
 _iodial(va_list *arg)
 {
 	char *addr, *local, *dir;
-	int *cdfp;
+	int *cdfp, fd;
 
 	addr = va_arg(*arg, char*);
 	local = va_arg(*arg, char*);
 	dir = va_arg(*arg, char*);
 	cdfp = va_arg(*arg, int*);
 
-	return dial(addr, local, dir, cdfp);
+fprint(2, "before dial\n");
+	fd = dial(addr, local, dir, cdfp);
+fprint(2, "after dial\n");
+	return fd;
 }
 
 int

src/libthread/iowrite.c

@@ -5,13 +5,14 @@ _iowrite(va_list *arg)
 {
 	int fd;
 	void *a;
-	long n;
+	long n, nn;
 
 	fd = va_arg(*arg, int);
 	a = va_arg(*arg, void*);
 	n = va_arg(*arg, long);
-	n = write(fd, a, n);
-	return n;
+	nn = write(fd, a, n);
+fprint(2, "_iowrite %d %d %r\n", n, nn);
+	return nn;
 }
 
 long

src/libthread/mkfile

@@ -16,10 +16,12 @@ OFILES=\
 	id.$O\
 	iocall.$O\
 	ioclose.$O\
+	iodial.$O\
 	ioopen.$O\
 	ioproc.$O\
 	ioread.$O\
 	ioreadn.$O\
+	iosleep.$O\
 	iowrite.$O\
 	kill.$O\
 	lib.$O\

src/libthread/note.c

@@ -92,7 +92,7 @@ _threadnote(void *v, char *s)
 //		_exits(_threadexitsallstatus);
 //	}
 
-	if(strcmp(s, "threadint")==0)
+	if(strcmp(s, "threadint")==0 || strcmp(s, "interrupt")==0)
 		noted(NCONT);
 
 	p = _threadgetproc();