test/dos/notify.c

   1 #include <exec/types.h>
   2 #include <dos/dosextens.h>
   3 #include <dos/bptr.h>
   4 #include <dos/notify.h>
   5 #include <proto/exec.h>
   6 #include <proto/dos.h>
   7 #include <stdio.h>
   8 #include <string.h>
   9
  10 int main(int argc, char **argv)
  11 {
  12     struct NotifyRequest *nr;
  13     struct MsgPort *port;
  14     struct Message *msg;
  15
  16     if (argc != 2)
  17     {
  18         printf("usage: %s filename\n", argv[0]);
  19         return 1;
  20     }
  21
  22     port = CreateMsgPort();
  23
  24     nr = AllocVec(sizeof(struct NotifyRequest) + strlen(argv[1]) + 1, MEMF_PUBLIC | MEMF_CLEAR);
  25     nr->nr_Name = (STRPTR) (((UBYTE *) nr) + sizeof(struct NotifyRequest));
  26
  27     CopyMem(argv[1], nr->nr_Name, strlen(argv[1]) + 1);
  28
  29     nr->nr_Flags = NRF_SEND_MESSAGE;
  30     nr->nr_stuff.nr_Msg.nr_Port = port;
  31
  32     if (StartNotify(nr) == DOSFALSE)
  33     {
  34         printf("StartNotify failed: %ld\n", (long)IoErr());
  35         DeleteMsgPort(port);
  36         return 0;
  37     }
  38
  39     Wait((1L << port->mp_SigBit) | SIGBREAKF_CTRL_C);
  40
  41     msg = GetMsg(port);
  42     if (msg)
  43     {
  44         printf("notified\n");
  45         ReplyMsg(msg);
  46     }
  47     else
  48         printf("CTRL-C received\n");
  49
  50     EndNotify(nr);
  51     DeleteMsgPort(port);
  52
  53     return 0;
  54 }