posix/lib/psxdll/sched/yield.c

   1 /* $Id: yield.c,v 1.2 2002/02/20 09:17:57 hyperion Exp $
   2 */
   3 /*
   4  * COPYRIGHT:   See COPYING in the top level directory
   5  * PROJECT:     ReactOS POSIX+ Subsystem
   6  * FILE:        subsys/psx/lib/psxdll/sched/yield.c
   7  * PURPOSE:     Yield processor
   8  * PROGRAMMER:  KJK::Hyperion <noog@libero.it>
   9  * UPDATE HISTORY:
  10  *              15/02/2002: Created
  11  */
  12
  13 #include <ddk/ntddk.h>
  14 #include <sched.h>
  15 #include <psx/errno.h>
  16
  17 int sched_yield(void)
  18 {
  19  NTSTATUS nErrCode;
  20
  21  nErrCode = NtYieldExecution();
  22
  23  if(!NT_SUCCESS(nErrCode))
  24  {
  25   errno = __status_to_errno(nErrCode);
  26   return (-1);
  27  }
  28
  29  return (0);
  30 }
  31
  32 /* EOF */
  33