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/* sema.h - Definitions for semaphores.
Copyright (C) 2000 Werner Koch (dd9jn)
Copyright (C) 2001, 2003, 2004, 2007 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 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.
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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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 *priv;
};
#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).priv = 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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Sun, Jan 18, 11:21 PM (16 h, 52 m)
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