| rsc | b2ad2ef | 2005-01-04 22:30:59 +0000 | [diff] [blame] | 1 | #include <u.h> |
| 2 | #include <libc.h> |
| 3 | |
| 4 | void |
| 5 | usage(void) |
| 6 | { |
| 7 | fprint(2, "usage: dial [-e] addr\n"); |
| 8 | exits("usage"); |
| 9 | } |
| 10 | |
| 11 | void |
| 12 | killer(void *x, char *msg) |
| 13 | { |
| 14 | USED(x); |
| 15 | if(strcmp(msg, "kill") == 0) |
| 16 | exits(0); |
| 17 | noted(NDFLT); |
| 18 | } |
| 19 | |
| 20 | void |
| 21 | main(int argc, char **argv) |
| 22 | { |
| 23 | int fd, pid; |
| 24 | char buf[8192]; |
| 25 | int n, waitforeof; |
| 26 | |
| 27 | notify(killer); |
| 28 | waitforeof = 0; |
| 29 | ARGBEGIN{ |
| 30 | case 'e': |
| 31 | waitforeof = 1; |
| 32 | break; |
| 33 | default: |
| 34 | usage(); |
| 35 | }ARGEND |
| 36 | |
| 37 | if(argc != 1) |
| 38 | usage(); |
| 39 | |
| 40 | if((fd = dial(argv[0], nil, nil, nil)) < 0) |
| 41 | sysfatal("dial: %r"); |
| 42 | |
| 43 | switch(pid = fork()){ |
| 44 | case -1: |
| 45 | sysfatal("fork: %r"); |
| 46 | case 0: |
| 47 | while((n = read(0, buf, sizeof buf)) > 0) |
| rsc | 9d59798 | 2005-02-11 16:42:48 +0000 | [diff] [blame] | 48 | if(write(fd, buf, n) < 0) |
| rsc | b2ad2ef | 2005-01-04 22:30:59 +0000 | [diff] [blame] | 49 | break; |
| 50 | if(!waitforeof) |
| 51 | postnote(PNPROC, getppid(), "kill"); |
| 52 | exits(nil); |
| 53 | } |
| 54 | |
| 55 | while((n = read(fd, buf, sizeof buf)) > 0) |
| 56 | if(write(1, buf, n) < 0) |
| 57 | break; |
| 58 | |
| 59 | postnote(PNPROC, pid, "kill"); |
| 60 | waitpid(); |
| 61 | exits(0); |
| 62 | } |
