From 26fb537f9cf011eaeaf975adcad5e8e9154d04fd Mon Sep 17 00:00:00 2001 From: Anas Nashif Date: Tue, 19 Feb 2013 08:22:18 -0800 Subject: Imported Upstream version 1.3.2 --- src/sema.h | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 src/sema.h (limited to 'src/sema.h') diff --git a/src/sema.h b/src/sema.h new file mode 100644 index 0000000..7d3870e --- /dev/null +++ b/src/sema.h @@ -0,0 +1,67 @@ +/* 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 */ -- cgit v1.2.3