tools/ipunload.c

   1 #include <string.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <jack/jack.h>
   5 #include <jack/intclient.h>
   6
   7 int
   8 main (int argc, char *argv[])
   9 {
  10         char *my_name;
  11         char *client_name;
  12         jack_client_t *client;
  13         jack_status_t status;
  14         jack_intclient_t intclient;
  15
  16         /* validate args */
  17         if ((argc < 2) || (argc > 3)) {
  18                 fprintf (stderr, "usage: %s client-name [ server-name ]]\n",
  19                          argv[0]);
  20                 return 1;
  21         }
  22
  23         /* use `basename $0` for my own client name */
  24         my_name = strrchr(argv[0], '/');
  25         if (my_name == 0) {
  26                 my_name = argv[0];
  27         } else {
  28                 my_name++;
  29         }
  30
  31         /* first, become a JACK client */
  32         if (argc > 2) {
  33                 client = jack_client_open (my_name,
  34                                            (JackServerName|JackNoStartServer),
  35                                            &status, argv[2]);
  36         } else {
  37                 client = jack_client_open (my_name, JackNoStartServer, &status);
  38         }
  39
  40         if (client == NULL) {
  41                 if (status & JackServerFailed) {
  42                         fprintf (stderr, "JACK server not running.\n");
  43                 } else {
  44                         fprintf (stderr, "JACK open failed, "
  45                                  "status = 0x%2.0x\n", status);
  46                 }
  47                 exit (1);
  48         }
  49
  50         /* then, get the internal client handle */
  51         client_name = argv[1];
  52         intclient = jack_internal_client_handle (client, client_name, &status);
  53         if (status & JackFailure) {
  54                 fprintf (stderr, "client %s not found.\n", client_name);
  55                 exit (2);
  56         }
  57
  58         /* now, unload the internal client */
  59         status = jack_internal_client_unload (client, intclient);
  60         if (status & JackFailure) {
  61                 if (status & JackNoSuchClient) {
  62                         fprintf (stderr, "client %s is gone.\n",
  63                                  client_name);
  64                 } else {
  65                         fprintf (stderr, "could not unload %s, "
  66                                  "returns 0x%2.0x\n", client_name, status);
  67                 }
  68                 exit (3);
  69         } else {
  70                 fprintf (stdout, "%s unloaded.\n", client_name);
  71         }
  72
  73         return 0;
  74 }
  75
  76