pd.if.org Git - mmurtl/blob - msamples/service/testsvc.c

   1 /* Test client for the NUMBERS System Service.\r
   2    Run this program from another CLI when Service is running\r
   3 */\r
   4 \r
   5 #include <stdio.h>\r
   6 #include "\OSSOurce\MKernel.h"\r
   7 \r
   8 unsigned long Number;                   /* The number to return */\r
   9 unsigned long Exch;             /* Where hte service will respond */\r
  10 unsigned long Message[2];       /* The Message from the service */\r
  11 \r
  12 void main(void)\r
  13 {\r
  14 unsigned long Error, rqhndl;\r
  15 \r
  16         Error = AllocExch(&Exch);         /* get an exchange */\r
  17 \r
  18         if (Error)\r
  19                 printf("Error %d allocating Exchange.\r\n", Error);\r
  20 \r
  21         Error = Request("NUMBERS ", 1, Exch, &rqhndl,\r
  22                                         0,                                                      /* No Send ptrs */\r
  23                     &Number, 4, 0, 0,\r
  24                     0,0,0);\r
  25         if (Error)\r
  26                 printf("Error %d from Request.\r\n", Error);\r
  27 \r
  28         if (!Error)\r
  29         {\r
  30                 Error = WaitMsg(Exch, Message);\r
  31 \r
  32                 if (Error)\r
  33                         printf("Error %d from WaitMsg.\r\n", Error);\r
  34                 else\r
  35                 {\r
  36                         if (Message[1])\r
  37                                 printf("Error %d from NUMBERS Service.\r\n", Message[1]);\r
  38                         else\r
  39                                 printf("NUMBERS Service gave out number: %d.\r\n", Number);\r
  40                 }\r
  41         }\r
  42 \r
  43         DeAllocExch(Exch);      /* it's nice to do this for the OS */\r
  44 }\r