1 #include <u.h>
2 #include <libc.h>
3 
4 int
5 post9pservice(int fd, char *name)
6 {
7 	int i;
8 	char *ns, *s;
9 	Waitmsg *w;
10 
11 	if((ns = getns()) == nil)
12 		return -1;
13 	s = smprint("unix!%s/%s", ns, name);
14 	free(ns);
15 	if(s == nil)
16 		return -1;
17 	switch(rfork(RFPROC|RFFDG)){
18 	case -1:
19 		return -1;
20 	case 0:
21 		dup(fd, 0);
22 		dup(fd, 1);
23 		for(i=3; i<20; i++)
24 			close(i);
25 		execlp("9pserve", "9pserve", "-u", s, (char*)0);
26 		fprint(2, "exec 9pserve: %r\n");
27 		_exits("exec");
28 	default:
29 		w = wait();
30 		close(fd);
31 		free(s);
32 		if(w->msg && w->msg[0]){
33 			free(w);
34 			werrstr("9pserve failed");
35 			return -1;
36 		}
37 		free(w);
38 		return 0;
39 	}
40 }