comparison: libidav/atomic.h
libidav/atomic.h
- branch
- dav-2
- changeset 914
- 42c6b071b231
equal
deleted
inserted
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| 913:8e2727fc4e07 | 914:42c6b071b231 |
|---|---|
| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2013 Olaf Wintermann. All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #ifndef DAV_ATOMIC_H | |
| 30 #define DAV_ATOMIC_H | |
| 31 | |
| 32 #ifdef __cplusplus | |
| 33 extern "C" { | |
| 34 #endif | |
| 35 | |
| 36 #if defined(__gnu_linux__) || defined(OSX) || defined(BSD) | |
| 37 | |
| 38 #define dav_atomic_inc32(intptr) __sync_fetch_and_add(intptr, 1) | |
| 39 #define dav_atomic_dec32(intptr) (__sync_fetch_and_sub(intptr, 1) - 1) | |
| 40 | |
| 41 #else | |
| 42 // use atomic.h | |
| 43 #include <atomic.h> | |
| 44 | |
| 45 #define dav_atomic_inc32(intptr) atomic_inc_32_nv(intptr) | |
| 46 #define dav_atomic_dec32(intptr) atomic_dec_32_nv(intptr) | |
| 47 // TODO | |
| 48 | |
| 49 #endif | |
| 50 | |
| 51 | |
| 52 #ifdef __cplusplus | |
| 53 } | |
| 54 #endif | |
| 55 | |
| 56 #endif /* DAV_ATOMIC_H */ | |
| 57 |
