test/safeperf/grantor.c

   1 #include "inc.h"
   2
   3 char buf_buf[BUF_SIZE + CLICK_SIZE];
   4
   5 int fid_send, fid_get;
   6
   7 /* SEF functions and variables. */
   8 static void sef_local_startup(void);
   9
  10 /*===========================================================================*
  11  *                                  main                                     *
  12  *===========================================================================*/
  13 int main(int argc, char **argv)
  14 {
  15         endpoint_t ep_self, ep_requestor, ep_child;
  16         cp_grant_id_t gid;
  17         int i, r, pid;
  18         char *buf;
  19         int status;
  20
  21         /* SEF local startup. */
  22         env_setargs(argc, argv);
  23         sef_local_startup();
  24
  25         /* Prepare work. */
  26         buf = (char*) CLICK_CEIL(buf_buf);
  27         fid_send = open(FIFO_GRANTOR, O_WRONLY);
  28         fid_get = open(FIFO_REQUESTOR, O_RDONLY);
  29         if(fid_get < 0 || fid_send < 0) {
  30                 printf("GRANTOR: can't open fifo files.\n");
  31                 return 1;
  32         }
  33
  34         /* Get the requestor's endpoint. */
  35         read(fid_get, &ep_requestor, sizeof(ep_requestor));
  36         dprint("GRANTOR: getting requestor's endpoint: %d\n", ep_requestor);
  37
  38         /* Grant. */
  39         gid = cpf_grant_direct(ep_requestor, (long)buf, BUF_SIZE,
  40                 CPF_READ | CPF_WRITE | CPF_MAP);
  41         ep_self = getprocnr();
  42         dprint("GRANTOR: sending my endpoint %d and gid %d\n", ep_self, gid);
  43         write(fid_send, &ep_self, sizeof(ep_self));
  44         write(fid_send, &gid, sizeof(gid));
  45
  46         /* Test safemap. */
  47         buf[0] = 0;
  48         FIFO_NOTIFY(fid_send);
  49         FIFO_WAIT(fid_get);
  50
  51         return 0;
  52 }
  53
  54 /*===========================================================================*
  55  *                             sef_local_startup                             *
  56  *===========================================================================*/
  57 static void sef_local_startup()
  58 {
  59   /* Let SEF perform startup. */
  60   sef_startup();
  61 }
  62