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