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(strchr(name, '!'))	/* assume is already network address */
12 		s = strdup(name);
13 	else{
14 		if((ns = getns()) == nil)
15 			return -1;
16 		s = smprint("unix!%s/%s", ns, name);
17 		free(ns);
18 	}
19 	if(s == nil)
20 		return -1;
21 	switch(fork()){
22 	case -1:
23 		return -1;
24 	case 0:
25 		dup(fd, 0);
26 		dup(fd, 1);
27 		for(i=3; i<20; i++)
28 			close(i);
29 		execlp("9pserve", "9pserve", "-u", s, (char*)0);
30 		fprint(2, "exec 9pserve: %r\n");
31 		_exits("exec");
32 	default:
33 		w = wait();
34 		if(w == nil)
35 			return -1;
36 		close(fd);
37 		free(s);
38 		if(w->msg && w->msg[0]){
39 			free(w);
40 			werrstr("9pserve failed");
41 			return -1;
42 		}
43 		free(w);
44 		return 0;
45 	}
46 }