64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/* sema.h - definitions for semaphores
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* Copyright (C) 2001 Werner Koch (dd9jn)
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* Copyright (C) 2001 g10 Code GmbH
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*
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* This file is part of GPGME.
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*
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* GPGME is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GPGME is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef SEMA_H
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#define SEMA_H
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struct critsect_s {
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const char *name;
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void *private;
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};
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#define DEFINE_GLOBAL_LOCK(name) \
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struct critsect_s name = { #name, NULL }
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#define DEFINE_STATIC_LOCK(name) \
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static struct critsect_s name = { #name, NULL }
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#define DECLARE_LOCK(name) struct critsect_s name
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#define INIT_LOCK(a) do { \
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(a).name = #a; \
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(a).private = NULL; \
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} while (0)
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#define DESTROY_LOCK(name) _gpgme_sema_cs_destroy (&(name))
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#define LOCK(name) do { \
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_gpgme_sema_cs_enter ( &(name) );\
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} while (0)
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#define UNLOCK(name) do { \
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_gpgme_sema_cs_leave ( &(name) );\
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} while (0)
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void _gpgme_sema_subsystem_init (void);
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void _gpgme_sema_cs_enter ( struct critsect_s *s );
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void _gpgme_sema_cs_leave ( struct critsect_s *s );
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void _gpgme_sema_cs_destroy ( struct critsect_s *s );
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#endif /* SEMA_H */
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