locker.c 2.16 KB
/* GNU mailutils - a suite of utilities for electronic mail
   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Library Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program 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 Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <stdlib.h>
#include <mailutils/error.h>
#include <mailutils/sys/locker.h>

int
(locker_add_ref) (locker_t locker)
{
  if (locker == NULL || locker->vtable == NULL
      || locker->vtable->add_ref == NULL)
    return MU_ERROR_NOT_SUPPORTED;
  return locker->vtable->add_ref (locker);
}

int
(locker_release) (locker_t locker)
{
  if (locker == NULL || locker->vtable == NULL
      || locker->vtable->release == NULL)
    return MU_ERROR_NOT_SUPPORTED;
  return locker->vtable->release (locker);
}

int
(locker_destroy) (locker_t locker)
{
  if (locker == NULL || locker->vtable == NULL
      || locker->vtable->destroy == NULL)
    return MU_ERROR_NOT_SUPPORTED;
  return locker->vtable->destroy (locker);
}

int
(locker_lock) (locker_t locker)
{
  if (locker == NULL || locker->vtable == NULL
      || locker->vtable->lock == NULL)
    return MU_ERROR_NOT_SUPPORTED;
  return locker->vtable->lock (locker);
}

int
(locker_touchlock) (locker_t locker)
{
  if (locker == NULL || locker->vtable == NULL
      || locker->vtable->lock == NULL)
    return MU_ERROR_NOT_SUPPORTED;
  return locker->vtable->lock (locker);
}

int
(locker_unlock) (locker_t locker)
{
  if (locker == NULL || locker->vtable == NULL
      || locker->vtable->lock == NULL)
    return MU_ERROR_NOT_SUPPORTED;
  return locker->vtable->lock (locker);
}