sysdeps/mach/sched_yield.c

   1 /* sched_yield -- yield the processor.  Mach version.
   2    Copyright (C) 2000, 2006 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <sched.h>
  22 #include <mach.h>
  23
  24 /* Yield the processor.  */
  25 int
  26 __sched_yield (void)
  27 {
  28   (void) __swtch ();
  29   return 0;
  30 }
  31 libc_hidden_def (__sched_yield)
  32 weak_alias (__sched_yield, sched_yield)