GNU Radio Manual and C++ API Reference 3.8.5.0
The Free & Open Software Radio Ecosystem
 
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attributes.h
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1/*
2 * Copyright 2010 Free Software Foundation, Inc.
3 *
4 * This file is part of GNU Radio
5 *
6 * GNU Radio is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3, or (at your option)
9 * any later version.
10 *
11 * GNU Radio is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with GNU Radio; see the file COPYING. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#ifndef INCLUDED_GNURADIO_ATTRIBUTES_H
23#define INCLUDED_GNURADIO_ATTRIBUTES_H
24
25////////////////////////////////////////////////////////////////////////
26// Cross-platform attribute macros
27////////////////////////////////////////////////////////////////////////
28#if defined __GNUC__
29#define __GR_ATTR_ALIGNED(x) __attribute__((aligned(x)))
30#define __GR_ATTR_UNUSED __attribute__((unused))
31#define __GR_ATTR_INLINE __attribute__((always_inline))
32#define __GR_ATTR_DEPRECATED __attribute__((deprecated))
33#if __GNUC__ >= 4
34#define __GR_ATTR_EXPORT __attribute__((visibility("default")))
35#define __GR_ATTR_IMPORT __attribute__((visibility("default")))
36#else
37#define __GR_ATTR_EXPORT
38#define __GR_ATTR_IMPORT
39#endif
40#elif defined __clang__
41#define __GR_ATTR_ALIGNED(x) __attribute__((aligned(x)))
42#define __GR_ATTR_UNUSED __attribute__((unused))
43#define __GR_ATTR_INLINE __attribute__((always_inline))
44#define __GR_ATTR_DEPRECATED __attribute__((deprecated))
45#define __GR_ATTR_EXPORT __attribute__((visibility("default")))
46#define __GR_ATTR_IMPORT __attribute__((visibility("default")))
47#elif _MSC_VER
48#define __GR_ATTR_ALIGNED(x) __declspec(align(x))
49#define __GR_ATTR_UNUSED
50#define __GR_ATTR_INLINE __forceinline
51#define __GR_ATTR_DEPRECATED __declspec(deprecated)
52#define __GR_ATTR_EXPORT __declspec(dllexport)
53#define __GR_ATTR_IMPORT __declspec(dllimport)
54#else
55#define __GR_ATTR_ALIGNED(x)
56#define __GR_ATTR_UNUSED
57#define __GR_ATTR_INLINE
58#define __GR_ATTR_DEPRECATED
59#define __GR_ATTR_EXPORT
60#define __GR_ATTR_IMPORT
61#endif
62
63////////////////////////////////////////////////////////////////////////
64// define inline when building C
65////////////////////////////////////////////////////////////////////////
66#if defined(_MSC_VER) && !defined(__cplusplus) && !defined(inline)
67#define inline __inline
68#endif
69
70////////////////////////////////////////////////////////////////////////
71// suppress warnings
72////////////////////////////////////////////////////////////////////////
73#ifdef _MSC_VER
74#pragma warning(disable : 4251) // class 'A<T>' needs to have dll-interface to be used by
75 // clients of class 'B'
76#pragma warning(disable : 4275) // non dll-interface class ... used as base for
77 // dll-interface class ...
78#pragma warning( \
79 disable : 4244) // conversion from 'double' to 'float', possible loss of data
80#pragma warning(disable : 4305) // 'initializing' : truncation from 'double' to 'float'
81#pragma warning(disable : 4290) // C++ exception specification ignored except to indicate
82 // a function is not __declspec(nothrow)
83#endif
84
85////////////////////////////////////////////////////////////////////////
86// implement cross-compiler VLA macros
87////////////////////////////////////////////////////////////////////////
88#ifdef _MSC_VER
89#define __GR_VLA(TYPE, buf, size) TYPE* buf = (TYPE*)alloca(sizeof(TYPE) * (size))
90#else
91#define __GR_VLA(TYPE, buf, size) TYPE buf[size]
92#endif
93
94#endif /* INCLUDED_GNURADIO_ATTRIBUTES_H */