1 b2ad2ef1 2005-01-04 devnull #include <u.h>
 2 b2ad2ef1 2005-01-04 devnull #include <libc.h>
 3 b2ad2ef1 2005-01-04 devnull 
 4 b2ad2ef1 2005-01-04 devnull void
 5 b2ad2ef1 2005-01-04 devnull usage(void)
 6 b2ad2ef1 2005-01-04 devnull {
 7 b2ad2ef1 2005-01-04 devnull 	fprint(2, "usage: dial [-e] addr\n");
 8 b2ad2ef1 2005-01-04 devnull 	exits("usage");
 9 b2ad2ef1 2005-01-04 devnull }
10 b2ad2ef1 2005-01-04 devnull 
11 b2ad2ef1 2005-01-04 devnull void
12 b2ad2ef1 2005-01-04 devnull killer(void *x, char *msg)
13 b2ad2ef1 2005-01-04 devnull {
14 b2ad2ef1 2005-01-04 devnull 	USED(x);
15 b2ad2ef1 2005-01-04 devnull 	if(strcmp(msg, "kill") == 0)
16 b2ad2ef1 2005-01-04 devnull 		exits(0);
17 b2ad2ef1 2005-01-04 devnull 	noted(NDFLT);
18 b2ad2ef1 2005-01-04 devnull }
19 b2ad2ef1 2005-01-04 devnull 
20 b2ad2ef1 2005-01-04 devnull void
21 b2ad2ef1 2005-01-04 devnull main(int argc, char **argv)
22 b2ad2ef1 2005-01-04 devnull {
23 b2ad2ef1 2005-01-04 devnull 	int fd, pid;
24 b2ad2ef1 2005-01-04 devnull 	char buf[8192];
25 b2ad2ef1 2005-01-04 devnull 	int n, waitforeof;
26 b2ad2ef1 2005-01-04 devnull 
27 b2ad2ef1 2005-01-04 devnull 	notify(killer);
28 b2ad2ef1 2005-01-04 devnull 	waitforeof = 0;
29 b2ad2ef1 2005-01-04 devnull 	ARGBEGIN{
30 b2ad2ef1 2005-01-04 devnull 	case 'e':
31 b2ad2ef1 2005-01-04 devnull 		waitforeof = 1;
32 b2ad2ef1 2005-01-04 devnull 		break;
33 b2ad2ef1 2005-01-04 devnull 	default:
34 b2ad2ef1 2005-01-04 devnull 		usage();
35 b2ad2ef1 2005-01-04 devnull 	}ARGEND
36 b2ad2ef1 2005-01-04 devnull 
37 b2ad2ef1 2005-01-04 devnull 	if(argc != 1)
38 b2ad2ef1 2005-01-04 devnull 		usage();
39 b2ad2ef1 2005-01-04 devnull 
40 b2ad2ef1 2005-01-04 devnull 	if((fd = dial(argv[0], nil, nil, nil)) < 0)
41 b2ad2ef1 2005-01-04 devnull 		sysfatal("dial: %r");
42 b2ad2ef1 2005-01-04 devnull 
43 b2ad2ef1 2005-01-04 devnull 	switch(pid = fork()){
44 b2ad2ef1 2005-01-04 devnull 	case -1:
45 b2ad2ef1 2005-01-04 devnull 		sysfatal("fork: %r");
46 b2ad2ef1 2005-01-04 devnull 	case 0:
47 b2ad2ef1 2005-01-04 devnull 		while((n = read(0, buf, sizeof buf)) > 0)
48 9d597981 2005-02-11 devnull 			if(write(fd, buf, n) < 0)
49 b2ad2ef1 2005-01-04 devnull 				break;
50 b2ad2ef1 2005-01-04 devnull 		if(!waitforeof)
51 b2ad2ef1 2005-01-04 devnull 			postnote(PNPROC, getppid(), "kill");
52 b2ad2ef1 2005-01-04 devnull 		exits(nil);
53 b2ad2ef1 2005-01-04 devnull 	}
54 b2ad2ef1 2005-01-04 devnull 
55 b2ad2ef1 2005-01-04 devnull 	while((n = read(fd, buf, sizeof buf)) > 0)
56 b2ad2ef1 2005-01-04 devnull 		if(write(1, buf, n) < 0)
57 b2ad2ef1 2005-01-04 devnull 			break;
58 b2ad2ef1 2005-01-04 devnull 
59 b2ad2ef1 2005-01-04 devnull 	postnote(PNPROC, pid, "kill");
60 b2ad2ef1 2005-01-04 devnull 	waitpid();
61 b2ad2ef1 2005-01-04 devnull 	exits(0);
62 b2ad2ef1 2005-01-04 devnull }