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/* sema.h - definitions for semaphores
* Copyright (C) 2001 Werner Koch (dd9jn)
* Copyright (C) 2001 g10 Code GmbH
*
* This file is part of GPGME.
*
* GPGME is free software; you can redistribute it and/or modify
* it under the terms of 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.
*
* GPGME 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 copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef SEMA_H
#define SEMA_H
struct critsect_s {
const char *name;
void *private;
};
#define DEFINE_GLOBAL_LOCK(name) \
struct critsect_s name = { #name, NULL }
#define DEFINE_STATIC_LOCK(name) \
static struct critsect_s name = { #name, NULL }
#define DECLARE_LOCK(name) struct critsect_s name
#define INIT_LOCK(a) do { \
(a).name = #a; \
(a).private = NULL; \
} while (0)
#define DESTROY_LOCK(name) _gpgme_sema_cs_destroy (&(name))
#define LOCK(name) do { \
_gpgme_sema_cs_enter ( &(name) );\
} while (0)
#define UNLOCK(name) do { \
_gpgme_sema_cs_leave ( &(name) );\
} while (0)
void _gpgme_sema_subsystem_init (void);
void _gpgme_sema_cs_enter ( struct critsect_s *s );
void _gpgme_sema_cs_leave ( struct critsect_s *s );
void _gpgme_sema_cs_destroy ( struct critsect_s *s );
#endif /* SEMA_H */
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