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/* dotlock.h - dotfile locking declarations
* Copyright (C) 2000, 2001, 2006, 2011 Free Software Foundation, Inc.
*
* This file is part of JNLIB, which is a subsystem of GnuPG.
*
* JNLIB is free software; you can redistribute it and/or modify it
* under the terms of either
*
* - the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* or
*
* - the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* or both in parallel, as here.
*
* JNLIB 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
* General Public License for more details.
*
* You should have received a copies of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBJNLIB_DOTLOCK_H
#define LIBJNLIB_DOTLOCK_H
/* See dotlock.c for a description. */
#ifdef DOTLOCK_EXT_SYM_PREFIX
# ifndef _DOTLOCK_PREFIX
# define _DOTLOCK_PREFIX1(x,y) x ## y
# define _DOTLOCK_PREFIX2(x,y) _DOTLOCK_PREFIX1(x,y)
# define _DOTLOCK_PREFIX(x) _DOTLOCK_PREFIX2(DOTLOCK_EXT_SYM_PREFIX,x)
# endif /*_DOTLOCK_PREFIX*/
# define dotlock_disable _DOTLOCK_PREFIX(dotlock_disable)
# define dotlock_create _DOTLOCK_PREFIX(dotlock_create)
# define dotlock_set_fd _DOTLOCK_PREFIX(dotlock_set_fd)
# define dotlock_get_fd _DOTLOCK_PREFIX(dotlock_get_fd)
# define dotlock_destroy _DOTLOCK_PREFIX(dotlock_destroy)
# define dotlock_take _DOTLOCK_PREFIX(dotlock_take)
# define dotlock_release _DOTLOCK_PREFIX(dotlock_release)
# define dotlock_remove_lockfiles _DOTLOCK_PREFIX(dotlock_remove_lockfiles)
#endif /*DOTLOCK_EXT_SYM_PREFIX*/
#ifdef __cplusplus
extern "C"
{
#if 0
}
#endif
#endif
struct dotlock_handle;
typedef struct dotlock_handle *dotlock_t;
void dotlock_disable (void);
dotlock_t dotlock_create (const char *file_to_lock, unsigned int flags);
void dotlock_set_fd (dotlock_t h, int fd);
int dotlock_get_fd (dotlock_t h);
void dotlock_destroy (dotlock_t h);
int dotlock_take (dotlock_t h, long timeout);
int dotlock_release (dotlock_t h);
void dotlock_remove_lockfiles (void);
#ifdef __cplusplus
}
#endif
#endif /*LIBJNLIB_DOTLOCK_H*/
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