Small tweaks to make things build again.

src/cmd/plumb/fsys.c

@@ -195,7 +195,7 @@ startfsys(void)
 	if(post9pservice(p[1], "plumb") < 0)
 		sysfatal("post9pservice plumb: %r");
 	close(p[1]);
-	proccreate(fsysproc, nil, Stack);
+	threadcreate(fsysproc, nil, Stack);
 }
 
 static void
@@ -213,14 +213,14 @@ fsysproc(void *v)
 		if(buf == nil)
 			error("malloc failed: %r");
 		qlock(&readlock);
-		n = read9pmsg(srvfd, buf, messagesize);
+		n = threadread9pmsg(srvfd, buf, messagesize);
 		if(n <= 0){
 			if(n < 0)
 				error("i/o error on server channel");
 			threadexitsall("unmounted");
 		}
 		if(readlock.head == nil)	/* no other processes waiting to read; start one */
-			proccreate(fsysproc, nil, Stack);
+			threadcreate(fsysproc, nil, Stack);
 		qunlock(&readlock);
 		if(t == nil)
 			t = emalloc(sizeof(Fcall));

src/cmd/plumb/match.c

@@ -431,7 +431,7 @@ execproc(void *v)
 	av = v;
 	stackargv(av, args, argc);
 	free(av);
-	procexec(nil, fd, args[0], args);
+	threadexec(nil, fd, args[0], args);
 	threadexits("can't exec");
 }
 
@@ -458,6 +458,6 @@ Found:
 	argv = buildargv(rs->act[i]->arg, e);
 	if(argv[0] == nil)
 		return "empty argument list";
-	proccreate(execproc, argv, EXECSTACK);
+	threadcreate(execproc, argv, EXECSTACK);
 	return nil;
 }

src/cmd/plumb/mkfile

@@ -14,4 +14,4 @@ $PLUMB:		$HFILES
 $O.plumb:	$PLUMB
 $O.plumber:	$PLUMBER
 
-LDFLAGS=$LDFLAGS -lplumb -lfs -lmux -lthread -lregexp9 -l9 -lbio -lfmt -lutf
+LDFLAGS=$LDFLAGS -lplumb -lfs -lmux -lthread -lregexp9 -lbio -l9

src/cmd/plumb/plumb.c

@@ -1,6 +1,7 @@
 #include <u.h>
 #include <libc.h>
 #include <plumb.h>
+#include <thread.h>
 
 char *plumbfile = nil;
 Plumbmsg m;
@@ -36,7 +37,7 @@ gather(void)
 }
 
 void
-main(int argc, char *argv[])
+threadmain(int argc, char *argv[])
 {
 	char buf[1024], *p;
 	int fd, i, input;
@@ -115,5 +116,5 @@ main(int argc, char *argv[])
 			exits("error");
 		}
 	}
-	exits(nil);
+	threadexitsall(nil);
 }

src/cmd/plumb/plumber.c

@@ -25,24 +25,11 @@ makeports(Ruleset *rules[])
 		addport(rules[i]->port);
 }
 
-void
-mainproc(void *v)
-{
-	Channel *c;
-
-	c = v;
-	printerrors = 0;
-	makeports(rules);
-	startfsys();
-	sendp(c, nil);
-}
-
 void
 threadmain(int argc, char *argv[])
 {
 	char buf[512];
 	int fd;
-	Channel *c;
 
 	progname = "plumber";
 
@@ -79,11 +66,18 @@ threadmain(int argc, char *argv[])
 	 * Start all processes and threads from other proc
 	 * so we (main pid) can return to user.
 	 */
-	c = chancreate(sizeof(void*), 0);
-	proccreate(mainproc, c, 8192);
-	recvp(c);
-	chanfree(c);
-	threadexits(nil);
+	switch(fork()){
+	case -1:
+		sysfatal("fork: %r");
+	case 0:
+		break;
+	default:
+		_exit(0);
+	}
+
+	printerrors = 0;
+	makeports(rules);
+	startfsys();
 }
 
 void