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Diffstat (limited to '')
-rw-r--r-- | gpgme/sema.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gpgme/sema.h b/gpgme/sema.h new file mode 100644 index 00000000..db28a714 --- /dev/null +++ b/gpgme/sema.h @@ -0,0 +1,62 @@ +/* sema.h - definitions for semaphores + * Copyright (C) 2001 Werner Koch (dd9jn) + * + * 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 */ + + + + + |