nptl/sem_getvalue.c

   1 /* Copyright (C) 2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   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 <semaphore.h>
  21 #include <shlib-compat.h>
  22 #include "semaphoreP.h"
  23
  24
  25 int
  26 __new_sem_getvalue (sem, sval)
  27      sem_t *sem;
  28      int *sval;
  29 {
  30   struct sem *isem = (struct sem *) sem;
  31
  32   /* XXX Check for valid SEM parameter.  */
  33
  34   *sval = isem->count;
  35
  36   return 0;
  37 }
  38 versioned_symbol (libpthread, __new_sem_getvalue, sem_getvalue, GLIBC_2_1);
  39 #if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
  40 strong_alias (__new_sem_getvalue, __old_sem_getvalue)
  41 compat_symbol (libpthread, __old_sem_getvalue, sem_getvalue, GLIBC_2_0);
  42 #endif