GNU Radio Manual and C++ API Reference 3.10.5.1
The Free & Open Software Radio Ecosystem
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 * SPDX-License-Identifier: GPL-3.0-or-later
7 *
8 */
9
10#ifndef INCLUDED_GNURADIO_ATTRIBUTES_H
11#define INCLUDED_GNURADIO_ATTRIBUTES_H
12
13////////////////////////////////////////////////////////////////////////
14// Cross-platform attribute macros
15////////////////////////////////////////////////////////////////////////
16#if defined(__clang__) && (!defined(_MSC_VER))
17// AppleClang also defines __GNUC__, so do this check first. These
18// will probably be the same as for __GNUC__, but let's keep them
19// separate just to be safe.
20#define __GR_ATTR_ALIGNED(x) __attribute__((aligned(x)))
21#define __GR_ATTR_UNUSED __attribute__((unused))
22#define __GR_ATTR_INLINE __attribute__((always_inline))
23#define __GR_ATTR_DEPRECATED __attribute__((deprecated))
24#define __GR_ATTR_EXPORT __attribute__((visibility("default")))
25#define __GR_ATTR_IMPORT __attribute__((visibility("default")))
26#elif defined __GNUC__
27#define __GR_ATTR_ALIGNED(x) __attribute__((aligned(x)))
28#define __GR_ATTR_UNUSED __attribute__((unused))
29#define __GR_ATTR_INLINE __attribute__((always_inline))
30#define __GR_ATTR_DEPRECATED __attribute__((deprecated))
31#define __GR_ATTR_EXPORT __attribute__((visibility("default")))
32#define __GR_ATTR_IMPORT __attribute__((visibility("default")))
33#elif _MSC_VER
34#define __GR_ATTR_ALIGNED(x) __declspec(align(x))
35#define __GR_ATTR_UNUSED
36#define __GR_ATTR_INLINE __forceinline
37#define __GR_ATTR_DEPRECATED __declspec(deprecated)
38#define __GR_ATTR_EXPORT __declspec(dllexport)
39#define __GR_ATTR_IMPORT __declspec(dllimport)
40#else
41#define __GR_ATTR_ALIGNED(x)
42#define __GR_ATTR_UNUSED
43#define __GR_ATTR_INLINE
44#define __GR_ATTR_DEPRECATED
45#define __GR_ATTR_EXPORT
46#define __GR_ATTR_IMPORT
47#endif
48
49////////////////////////////////////////////////////////////////////////
50// define inline when building C
51////////////////////////////////////////////////////////////////////////
52#if defined(_MSC_VER) && !defined(__cplusplus) && !defined(inline)
53#define inline __inline
54#endif
55
56////////////////////////////////////////////////////////////////////////
57// suppress warnings
58////////////////////////////////////////////////////////////////////////
59#ifdef _MSC_VER
60#pragma warning(disable : 4251) // class 'A<T>' needs to have dll-interface to be used by
61 // clients of class 'B'
62#pragma warning(disable : 4275) // non dll-interface class ... used as base for
63 // dll-interface class ...
64#pragma warning( \
65 disable : 4244) // conversion from 'double' to 'float', possible loss of data
66#pragma warning(disable : 4305) // 'initializing' : truncation from 'double' to 'float'
67#pragma warning(disable : 4290) // C++ exception specification ignored except to indicate
68 // a function is not __declspec(nothrow)
69#endif
70
71////////////////////////////////////////////////////////////////////////
72// implement cross-compiler VLA macros
73////////////////////////////////////////////////////////////////////////
74#ifdef _MSC_VER
75#define __GR_VLA(TYPE, buf, size) TYPE* buf = (TYPE*)alloca(sizeof(TYPE) * (size))
76#else
77#define __GR_VLA(TYPE, buf, size) TYPE buf[size]
78#endif
79
80#endif /* INCLUDED_GNURADIO_ATTRIBUTES_H */