source/libs/cairo/cairo-src/src/cairo-mutex.c

   1 /* cairo - a vector graphics library with display and print output
   2  *
   3  * Copyright © 2007 Mathias Hasselmann
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it either under the terms of the GNU Lesser General Public
   7  * License version 2.1 as published by the Free Software Foundation
   8  * (the "LGPL") or, at your option, under the terms of the Mozilla
   9  * Public License Version 1.1 (the "MPL"). If you do not alter this
  10  * notice, a recipient may use your version of this file under either
  11  * the MPL or the LGPL.
  12  *
  13  * You should have received a copy of the LGPL along with this library
  14  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
  16  * You should have received a copy of the MPL along with this library
  17  * in the file COPYING-MPL-1.1
  18  *
  19  * The contents of this file are subject to the Mozilla Public License
  20  * Version 1.1 (the "License"); you may not use this file except in
  21  * compliance with the License. You may obtain a copy of the License at
  22  * http://www.mozilla.org/MPL/
  23  *
  24  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  25  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  26  * the specific language governing rights and limitations.
  27  *
  28  * The Original Code is the cairo graphics library.
  29  *
  30  * Contributor(s):
  31  *      Mathias Hasselmann <mathias.hasselmann@gmx.de>
  32  */
  33
  34 #include "cairoint.h"
  35
  36 #include "cairo-mutex-private.h"
  37
  38 #define CAIRO_MUTEX_DECLARE(mutex) cairo_mutex_t mutex = CAIRO_MUTEX_NIL_INITIALIZER;
  39 #include "cairo-mutex-list-private.h"
  40 #undef   CAIRO_MUTEX_DECLARE
  41
  42 #if _CAIRO_MUTEX_IMPL_USE_STATIC_INITIALIZER || _CAIRO_MUTEX_IMPL_USE_STATIC_FINALIZER
  43
  44 # if _CAIRO_MUTEX_IMPL_USE_STATIC_INITIALIZER
  45 #  define _CAIRO_MUTEX_IMPL_INITIALIZED_DEFAULT_VALUE FALSE
  46 # else
  47 #  define _CAIRO_MUTEX_IMPL_INITIALIZED_DEFAULT_VALUE TRUE
  48 # endif
  49
  50 cairo_bool_t _cairo_mutex_initialized = _CAIRO_MUTEX_IMPL_INITIALIZED_DEFAULT_VALUE;
  51
  52 # undef _CAIRO_MUTEX_IMPL_INITIALIZED_DEFAULT_VALUE
  53
  54 #endif
  55
  56 #if _CAIRO_MUTEX_IMPL_USE_STATIC_INITIALIZER
  57 void _cairo_mutex_initialize (void)
  58 {
  59     if (_cairo_mutex_initialized)
  60         return;
  61
  62     _cairo_mutex_initialized = TRUE;
  63
  64 #define  CAIRO_MUTEX_DECLARE(mutex) CAIRO_MUTEX_INIT (mutex);
  65 #include "cairo-mutex-list-private.h"
  66 #undef   CAIRO_MUTEX_DECLARE
  67 }
  68 #endif
  69
  70 #if _CAIRO_MUTEX_IMPL_USE_STATIC_FINALIZER
  71 void _cairo_mutex_finalize (void)
  72 {
  73     if (!_cairo_mutex_initialized)
  74         return;
  75
  76     _cairo_mutex_initialized = FALSE;
  77
  78 #define  CAIRO_MUTEX_DECLARE(mutex) CAIRO_MUTEX_FINI (mutex);
  79 #include "cairo-mutex-list-private.h"
  80 #undef   CAIRO_MUTEX_DECLARE
  81 }
  82 #endif