arch/all-unix/kernel/obtaininput.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 /*
   7  * Include these before AROS includes, because __unused as a macro in AROS,
   8  * causing conflicts with __unused being a structure member name in Linux bits/stat.h.
   9  */
  10 #include <fcntl.h>
  11 #include <unistd.h>
  12
  13 #include <aros/kernel.h>
  14 #include <aros/libcall.h>
  15
  16 #include "kernel_base.h"
  17 #include "kernel_intern.h"
  18
  19 AROS_LH0(int, KrnObtainInput,
  20           struct KernelBase *, KernelBase, 33, Kernel)
  21 {
  22     AROS_LIBFUNC_INIT
  23
  24     int res;
  25
  26     /* Set our STDERR to non-blocking mode for RawMayGetChar() to work */
  27     res = KernelBase->kb_PlatformData->iface->fcntl(STDERR_FILENO, F_GETFL);
  28     AROS_HOST_BARRIER
  29     res = KernelBase->kb_PlatformData->iface->fcntl(STDERR_FILENO, F_SETFL, res|O_NONBLOCK);
  30     AROS_HOST_BARRIER
  31
  32     return (res == -1) ? 0 : 1;
  33
  34     AROS_LIBFUNC_EXIT
  35 }