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68 lines
1.8 KiB
68 lines
1.8 KiB
/* sema.h - Definitions for semaphores.
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Copyright (C) 2000 Werner Koch (dd9jn)
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Copyright (C) 2001, 2003, 2004 g10 Code GmbH
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This file is part of GPGME.
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GPGME is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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GPGME is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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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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{
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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) \
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struct critsect_s name
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#define INIT_LOCK(a) \
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do \
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{ \
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(a).name = #a; \
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(a).private = NULL; \
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} \
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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) \
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do \
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{ \
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_gpgme_sema_cs_enter (&(name)); \
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} \
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while (0)
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#define UNLOCK(name) \
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do \
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{ \
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_gpgme_sema_cs_leave (&(name)); \
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} \
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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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