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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This 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 of the License, or (at your option) any later version.
This 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 this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <mailutils/error.h>
#include <mailutils/sys/lockfile.h>
int
lockfile_ref (lockfile_t lockfile)
{
if (lockfile == NULL || lockfile->vtable == NULL
|| lockfile->vtable->ref == NULL)
return MU_ERROR_NOT_SUPPORTED;
return lockfile->vtable->ref (lockfile);
}
void
lockfile_destroy (lockfile_t *plockfile)
{
if (plockfile && *plockfile)
{
lockfile_t lockfile = *plockfile;
if (lockfile->vtable && lockfile->vtable->destroy)
lockfile->vtable->destroy (plockfile);
*plockfile = NULL;
}
}
int
lockfile_lock (lockfile_t lockfile)
{
if (lockfile == NULL || lockfile->vtable == NULL
|| lockfile->vtable->lock == NULL)
return MU_ERROR_NOT_SUPPORTED;
return lockfile->vtable->lock (lockfile);
}
int
lockfile_touchlock (lockfile_t lockfile)
{
if (lockfile == NULL || lockfile->vtable == NULL
|| lockfile->vtable->touchlock == NULL)
return MU_ERROR_NOT_SUPPORTED;
return lockfile->vtable->touchlock (lockfile);
}
int
lockfile_unlock (lockfile_t lockfile)
{
if (lockfile == NULL || lockfile->vtable == NULL
|| lockfile->vtable->unlock == NULL)
return MU_ERROR_NOT_SUPPORTED;
return lockfile->vtable->unlock (lockfile);
}
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