imcplugin/tests/imc-read.c

   1
   2 #include <stdio.h>
   3
   4 #include <sys/nacl_imc_api.h>
   5 #include <sys/nacl_syscalls.h>
   6
   7
   8 int read_message(int desc)
   9 {
  10   char buf[2000];
  11   int fds[8];
  12   struct NaClImcMsgIoVec iov;
  13   struct NaClImcMsgHdr msg;
  14   iov.base = buf;
  15   iov.length = sizeof(buf);
  16   msg.iov = &iov;
  17   msg.iov_length = 1;
  18   msg.descv = fds;
  19   msg.desc_length = 8;
  20
  21   int result = imc_recvmsg(desc, &msg, 0);
  22   if(result <= 0) {
  23     printf("failed, result=%i\n", result);
  24     return 0;
  25   }
  26   else {
  27     int i;
  28     printf("NaCl got message: ");
  29     for(i = 0; i < result; i++)
  30       printf("%c", buf[i]);
  31     printf("NaCl received %i FDs\n", msg.desc_length);
  32     return 1;
  33   }
  34 }
  35
  36 int main(int argc, char* argv[])
  37 {
  38   while(read_message(3))
  39     ;
  40   return 0;
  41 }