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sysprof-4
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sysprof-macros.h
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/* sysprof-macros.h * * Copyright 2020 Endless OS Foundation * * Author: * - Philip Withnall <withnall@endlessm.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Subject to the terms and conditions of this license, each copyright holder * and contributor hereby grants to those receiving rights under this license * a perpetual, worldwide, non-exclusive, no-charge, royalty-free, * irrevocable (except for failure to satisfy the conditions of this license) * patent license to make, have made, use, offer to sell, sell, import, and * otherwise transfer this software, where such license applies only to those * patent claims, already acquired or hereafter acquired, licensable by such * copyright holder or contributor that are necessarily infringed by: * * (a) their Contribution(s) (the licensed copyrights of copyright holders * and non-copyrightable additions of contributors, in source or binary * form) alone; or * * (b) combination of their Contribution(s) with the work of authorship to * which such Contribution(s) was added by such copyright holder or * contributor, if, at the time the Contribution is added, such addition * causes such combination to be necessarily infringed. The patent license * shall not apply to any other combinations which include the * Contribution. * * Except as expressly stated above, no rights or licenses from any copyright * holder or contributor is granted under this license, whether expressly, by * implication, estoppel or otherwise. * * DISCLAIMER * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * SPDX-License-Identifier: BSD-2-Clause-Patent */ #pragma once #include <limits.h> #ifdef __GNUC__ #define SYSPROF_GNUC_CHECK_VERSION(major, minor) \ ((__GNUC__ > (major)) || \ ((__GNUC__ == (major)) && \ (__GNUC_MINOR__ >= (minor)))) #else #define SYSPROF_GNUC_CHECK_VERSION(major, minor) 0 #endif #ifdef __cpp_static_assert # define SYSPROF_STATIC_ASSERT(expr, msg) static_assert(expr, msg) #elif SYSPROF_GNUC_CHECK_VERSION(4, 6) # define SYSPROF_STATIC_ASSERT(expr, msg) _Static_assert(expr, msg) #else # define _SYSPROF_STATIC_ASSERT2(expr, msg, id) typedef char __static_assert_##id[(expr) ? 0 : -1]; # define _SYSPROF_STATIC_ASSERT(expr, msg, id) _SYSPROF_STATIC_ASSERT2(expr, msg, id) # define SYSPROF_STATIC_ASSERT(expr, msg) _SYSPROF_STATIC_ASSERT(expr, msg, __COUNTER__) #endif #if INT_MAX == LONG_MAX #define SYSPROF_INT64_CONSTANT(x) x##ULL #define SYSPROF_UINT64_CONSTANT(x) x##LL #else #define SYSPROF_INT64_CONSTANT(x) x##UL #define SYSPROF_UINT64_CONSTANT(x) x##L #endif #ifdef __cplusplus #define SYSPROF_BEGIN_DECLS extern "C" { #define SYSPROF_END_DECLS } #else #define SYSPROF_BEGIN_DECLS #define SYSPROF_END_DECLS #endif #if defined (__GNUC__) #define SYSPROF_INTERNAL __attribute__((visibility("hidden"))) #else #define SYSPROF_INTERNAL #endif #if defined(__GNUC__) #define SYSPROF_LIKELY(expr) (__builtin_expect (!!(expr), 1)) #define SYSPROF_UNLIKELY(expr) (__builtin_expect (!!(expr), 0)) #else #define SYSPROF_LIKELY(expr) (expr) #define SYSPROF_UNLIKELY(expr) (expr) #endif #if defined(__GNUC__) #define SYSPROF_PRINTF(format_idx, arg_idx) __attribute__((format(printf, format_idx, arg_idx))) #else #define SYSPROF_PRINTF(format_idx, arg_idx) #endif