uclibc-ng/libpthread/nptl/sem_getvalue.c

/* Copyright (C) 2002, 2007 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <semaphore.h>
#include "semaphoreP.h"


int
sem_getvalue (
     sem_t *sem,
     int *sval)
{
  struct new_sem *isem = (struct new_sem *) sem;

  /* XXX Check for valid SEM parameter.  */

  *sval = isem->value;

  return 0;
}