minix/lib/libsys/kernel_call.c

   1 #define _SYSTEM 1
   2
   3 #include <lib.h>
   4 #include <minix/syslib.h>
   5 #include <minix/sysutil.h>
   6
   7 int _kernel_call(int syscallnr, message *msgptr)
   8 {
   9   int t, r;
  10   t = 1;
  11   while(1) {
  12       msgptr->m_type = syscallnr;
  13       do_kernel_call(msgptr);
  14       r = msgptr->m_type;
  15       if(r != ENOTREADY) {
  16           break;
  17       }
  18       tickdelay(t++);
  19   }
  20   return r;
  21 }
  22