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interlck.h
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20 #ifndef _OSL_INTERLOCK_H_
21 #define _OSL_INTERLOCK_H_
22
23 #include "sal/config.h"
24
25 #include "sal/saldllapi.h"
26 #include "sal/types.h"
27
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31
32 typedef sal_Int32 oslInterlockedCount;
33
38 SAL_DLLPUBLIC oslInterlockedCount SAL_CALL osl_incrementInterlockedCount(oslInterlockedCount* pCount);
39
44 SAL_DLLPUBLIC oslInterlockedCount SAL_CALL osl_decrementInterlockedCount(oslInterlockedCount* pCount);
45
46
48
59 #if HAVE_GCC_BUILTIN_ATOMIC
60 # define osl_atomic_increment(p) __sync_add_and_fetch((p), 1)
61 #else
62 # define osl_atomic_increment(p) osl_incrementInterlockedCount((p))
63 #endif
64
65
76 #if HAVE_GCC_BUILTIN_ATOMIC
77 # define osl_atomic_decrement(p) __sync_sub_and_fetch((p), 1)
78 #else
79 # define osl_atomic_decrement(p) osl_decrementInterlockedCount((p))
80 #endif
81
83
84 #ifdef __cplusplus
85 }
86 #endif
87
88
89 #endif /* _OSL_INTERLOCK_H_ */
90
91
92 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
SAL_DLLPUBLIC
#define SAL_DLLPUBLIC
Definition: saldllapi.h:30
oslInterlockedCount
sal_Int32 oslInterlockedCount
Definition: interlck.h:32
osl_decrementInterlockedCount
SAL_DLLPUBLIC oslInterlockedCount osl_decrementInterlockedCount(oslInterlockedCount *pCount)
Decrement the count variable addressed by pCount.
saldllapi.h
config.h
osl_incrementInterlockedCount
SAL_DLLPUBLIC oslInterlockedCount osl_incrementInterlockedCount(oslInterlockedCount *pCount)
Increments the count variable addressed by pCount.
types.h