diff options
Diffstat (limited to 'libs/cairo-1.16.0/src/cairo-atomic.c')
-rw-r--r-- | libs/cairo-1.16.0/src/cairo-atomic.c | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/libs/cairo-1.16.0/src/cairo-atomic.c b/libs/cairo-1.16.0/src/cairo-atomic.c deleted file mode 100644 index 2af50cd..0000000 --- a/libs/cairo-1.16.0/src/cairo-atomic.c +++ /dev/null @@ -1,120 +0,0 @@ -/* cairo - a vector graphics library with display and print output - * - * Copyright © 2007 Chris Wilson - * - * This library is free software; you can redistribute it and/or - * modify it either under the terms of the GNU Lesser General Public - * License version 2.1 as published by the Free Software Foundation - * (the "LGPL") or, at your option, under the terms of the Mozilla - * Public License Version 1.1 (the "MPL"). If you do not alter this - * notice, a recipient may use your version of this file under either - * the MPL or the LGPL. - * - * You should have received a copy of the LGPL along with this library - * in the file COPYING-LGPL-2.1; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA - * You should have received a copy of the MPL along with this library - * in the file COPYING-MPL-1.1 - * - * The contents of this file are subject to the Mozilla Public License - * Version 1.1 (the "License"); you may not use this file except in - * compliance with the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY - * OF ANY KIND, either express or implied. See the LGPL or the MPL for - * the specific language governing rights and limitations. - * - * The Original Code is the cairo graphics library. - * - * Contributor(s): - * Chris Wilson <chris@chris-wilson.co.uk> - */ - -#include "cairoint.h" - -#include "cairo-atomic-private.h" -#include "cairo-mutex-private.h" - -#ifdef HAS_ATOMIC_OPS -COMPILE_TIME_ASSERT(sizeof(void*) == sizeof(int) || - sizeof(void*) == sizeof(long) || - sizeof(void*) == sizeof(long long)); -#else -void -_cairo_atomic_int_inc (cairo_atomic_intptr_t *x) -{ - CAIRO_MUTEX_LOCK (_cairo_atomic_mutex); - *x += 1; - CAIRO_MUTEX_UNLOCK (_cairo_atomic_mutex); -} - -cairo_bool_t -_cairo_atomic_int_dec_and_test (cairo_atomic_intptr_t *x) -{ - cairo_bool_t ret; - - CAIRO_MUTEX_LOCK (_cairo_atomic_mutex); - ret = --*x == 0; - CAIRO_MUTEX_UNLOCK (_cairo_atomic_mutex); - - return ret; -} - -cairo_atomic_intptr_t -_cairo_atomic_int_cmpxchg_return_old_impl (cairo_atomic_intptr_t *x, cairo_atomic_intptr_t oldv, cairo_atomic_intptr_t newv) -{ - cairo_atomic_intptr_t ret; - - CAIRO_MUTEX_LOCK (_cairo_atomic_mutex); - ret = *x; - if (ret == oldv) - *x = newv; - CAIRO_MUTEX_UNLOCK (_cairo_atomic_mutex); - - return ret; -} - -void * -_cairo_atomic_ptr_cmpxchg_return_old_impl (void **x, void *oldv, void *newv) -{ - void *ret; - - CAIRO_MUTEX_LOCK (_cairo_atomic_mutex); - ret = *x; - if (ret == oldv) - *x = newv; - CAIRO_MUTEX_UNLOCK (_cairo_atomic_mutex); - - return ret; -} - -#ifdef ATOMIC_OP_NEEDS_MEMORY_BARRIER -cairo_atomic_intptr_t -_cairo_atomic_int_get (cairo_atomic_intptr_t *x) -{ - cairo_atomic_intptr_t ret; - - CAIRO_MUTEX_LOCK (_cairo_atomic_mutex); - ret = *x; - CAIRO_MUTEX_UNLOCK (_cairo_atomic_mutex); - - return ret; -} - -cairo_atomic_intptr_t -_cairo_atomic_int_get_relaxed (cairo_atomic_intptr_t *x) -{ - return _cairo_atomic_int_get (x); -} - -void -_cairo_atomic_int_set_relaxed (cairo_atomic_intptr_t *x, cairo_atomic_intptr_t val) -{ - CAIRO_MUTEX_LOCK (_cairo_atomic_mutex); - *x = val; - CAIRO_MUTEX_UNLOCK (_cairo_atomic_mutex); -} -#endif - -#endif |