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386 lines
13 KiB
C++
386 lines
13 KiB
C++
/** common.h
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*
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* Copyright (C) 2010-2016, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* *********************************************************************
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*
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* PLEASE NOTE: This file is a downstream copy of a file mainitained in
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* a repository at cilkplus.org. Changes made to this file that are not
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* submitted through the contribution process detailed at
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* http://www.cilkplus.org/submit-cilk-contribution will be lost the next
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* time that a new version is released. Changes only submitted to the
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* GNU compiler collection or posted to the git repository at
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* https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are
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* not tracked.
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*
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* We welcome your contributions to this open source project. Thank you
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* for your assistance in helping us improve Cilk Plus.
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*/
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/** @file common.h
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*
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* @brief Defines common macros and structures used by the Intel(R) Cilk(TM) Plus runtime.
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*
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* @ingroup common
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*/
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/** @defgroup common Common Definitions
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* Definitions for runtime macros, structures, and classes.
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* @{
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*/
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#ifndef INCLUDED_CILK_COMMON
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#define INCLUDED_CILK_COMMON
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#ifdef __cplusplus
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/** Namespace for all Intel Cilk Plus definitions that can be included in user code.
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*/
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namespace cilk {
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/** Namespace for definitions re-used in other Intel Cilk Plus definitions.
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*/
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namespace internal {}
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}
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#endif
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/** Intel Cilk Plus library version = 1.02
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*/
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#define CILK_LIBRARY_VERSION 102
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#ifdef __cplusplus
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# include <cassert>
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#else
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# include <assert.h>
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#endif
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/**
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* Prefix standard library function and type names with __STDNS to
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* get correct lookup in both C and C++.
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*/
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#ifdef __cplusplus
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# define __STDNS std::
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#else
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# define __STDNS
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#endif
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/**
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* @def CILK_EXPORT
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* Define export of runtime functions from shared library.
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* Should be exported only from cilkrts*.dll/cilkrts*.so
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* @def CILK_EXPORT_DATA
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* Define export of runtime data from shared library.
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*/
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#ifdef _WIN32
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# ifdef IN_CILK_RUNTIME
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# define CILK_EXPORT __declspec(dllexport)
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# define CILK_EXPORT_DATA __declspec(dllexport)
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# else
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# define CILK_EXPORT __declspec(dllimport)
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# define CILK_EXPORT_DATA __declspec(dllimport)
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# endif /* IN_CILK_RUNTIME */
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#elif defined(__CYGWIN__) || defined(__APPLE__) || defined(_DARWIN_C_SOURCE)
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# define CILK_EXPORT /* nothing */
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# define CILK_EXPORT_DATA /* nothing */
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#else /* Unix/gcc */
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# if defined(IN_CILK_RUNTIME) && defined(HAVE_ATTRIBUTE_VISIBILITY)
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# define CILK_EXPORT __attribute__((visibility("protected")))
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# define CILK_EXPORT_DATA __attribute__((visibility("protected")))
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# else
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# define CILK_EXPORT /* nothing */
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# define CILK_EXPORT_DATA /* nothing */
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# endif /* IN_CILK_RUNTIME */
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#endif /* Unix/gcc */
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/**
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* @def __CILKRTS_BEGIN_EXTERN_C
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* Macro to denote the start of a section in which all names have "C" linkage.
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* That is, none of the names are to be mangled.
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* @see __CILKRTS_END_EXTERN_C
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* @see __CILKRTS_EXTERN_C
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*
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* @def __CILKRTS_END_EXTERN_C
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* Macro to denote the end of a section in which all names have "C" linkage.
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* That is, none of the names are to be mangled.
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* @see __CILKRTS_BEGIN_EXTERN_C
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* @see __CILKRTS_EXTERN_C
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*
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* @def __CILKRTS_EXTERN_C
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* Macro to prefix a single definition which has "C" linkage.
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* That is, the defined name is not to be mangled.
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* @see __CILKRTS_BEGIN_EXTERN_C
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* @see __CILKRTS_END_EXTERN_C
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*/
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#ifdef __cplusplus
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# define __CILKRTS_BEGIN_EXTERN_C extern "C" {
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# define __CILKRTS_END_EXTERN_C }
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# define __CILKRTS_EXTERN_C extern "C"
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#else
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# define __CILKRTS_BEGIN_EXTERN_C
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# define __CILKRTS_END_EXTERN_C
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# define __CILKRTS_EXTERN_C
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#endif
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/**
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* OS-independent macro to specify a function which is known to not throw
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* an exception.
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*/
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#ifdef __cplusplus
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# ifdef _WIN32
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# define __CILKRTS_NOTHROW __declspec(nothrow)
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# else /* Unix/gcc */
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# define __CILKRTS_NOTHROW __attribute__((nothrow))
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# endif /* Unix/gcc */
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#else
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# define __CILKRTS_NOTHROW /* nothing */
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#endif /* __cplusplus */
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/** Cache alignment. (Good enough for most architectures.)
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*/
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#define __CILKRTS_CACHE_LINE__ 64
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/**
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* Macro to specify alignment of a data member in a structure.
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* Because of the way that gcc's alignment attribute is defined, @a n must
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* be a numeric literal, not just a compile-time constant expression.
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*/
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#ifdef _WIN32
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# define CILK_ALIGNAS(n) __declspec(align(n))
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#else /* Unix/gcc */
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# define CILK_ALIGNAS(n) __attribute__((__aligned__(n)))
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#endif
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/**
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* Macro to specify cache-line alignment of a data member in a structure.
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*/
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#define __CILKRTS_CACHE_ALIGN CILK_ALIGNAS(__CILKRTS_CACHE_LINE__)
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/**
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* Macro to specify a class as being at least as strictly aligned as some
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* type on Windows. gcc does not provide a way of doing this, so on Unix,
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* this just specifies the largest natural type alignment. Put the macro
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* between the `class` keyword and the class name:
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*
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* class CILK_ALIGNAS_TYPE(foo) bar { ... };
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*/
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#ifdef _WIN32
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# define CILK_ALIGNAS_TYPE(t) __declspec(align(__alignof(t)))
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#else /* Unix/gcc */
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# define CILK_ALIGNAS_TYPE(t) __attribute__((__aligned__))
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#endif
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/**
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* @def CILK_API(RET_TYPE)
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* A function called explicitly by the programmer.
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* @def CILK_ABI(RET_TYPE)
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* A function called by compiler-generated code.
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* @def CILK_ABI_THROWS(RET_TYPE)
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* An ABI function that may throw an exception
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*
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* Even when these are the same definitions, they should be separate macros so
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* that they can be easily found in the code.
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*/
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#ifdef _WIN32
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# define CILK_API(RET_TYPE) CILK_EXPORT RET_TYPE __CILKRTS_NOTHROW __cdecl
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# define CILK_ABI(RET_TYPE) CILK_EXPORT RET_TYPE __CILKRTS_NOTHROW __cdecl
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# define CILK_ABI_THROWS(RET_TYPE) CILK_EXPORT RET_TYPE __cdecl
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#else
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# define CILK_API(RET_TYPE) CILK_EXPORT RET_TYPE __CILKRTS_NOTHROW
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# define CILK_ABI(RET_TYPE) CILK_EXPORT RET_TYPE __CILKRTS_NOTHROW
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# define CILK_ABI_THROWS(RET_TYPE) CILK_EXPORT RET_TYPE
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#endif
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/**
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* __CILKRTS_ASSERT should be defined for debugging only, otherwise it
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* interferes with vectorization. Since NDEBUG is not reliable (it must be
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* set by the user), we must use a platform-specific detection of debug mode.
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*/
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#if defined(_WIN32) && defined(_DEBUG)
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/* Windows debug */
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# define __CILKRTS_ASSERT(e) assert(e)
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#elif (! defined(_WIN32)) && ! defined(__OPTIMIZE__)
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/* Unix non-optimized */
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# define __CILKRTS_ASSERT(e) assert(e)
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#elif defined __cplusplus
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/* C++ non-debug */
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# define __CILKRTS_ASSERT(e) static_cast<void>(0)
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#else
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/* C non-debug */
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# define __CILKRTS_ASSERT(e) ((void) 0)
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#endif
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/**
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* OS-independent macro to specify a function that should be inlined
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*/
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#ifdef __cplusplus
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// C++
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# define __CILKRTS_INLINE inline
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#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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// C99
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# define __CILKRTS_INLINE static inline
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#elif defined(_MSC_VER)
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// C89 on Windows
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# define __CILKRTS_INLINE __inline
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#else
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// C89 on GCC-compatible systems
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# define __CILKRTS_INLINE extern __inline__
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#endif
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/**
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* Functions marked as CILK_EXPORT_AND_INLINE have both
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* inline versions defined in the Intel Cilk Plus API, as well as
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* non-inlined versions that are exported (for
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* compatibility with previous versions that did not
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* inline the functions).
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*/
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#ifdef COMPILING_CILK_API_FUNCTIONS
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# define CILK_EXPORT_AND_INLINE CILK_EXPORT
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#else
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# define CILK_EXPORT_AND_INLINE __CILKRTS_INLINE
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#endif
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/**
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* Try to determine if compiler supports rvalue references.
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*/
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#if defined(__cplusplus) && !defined(__CILKRTS_RVALUE_REFERENCES)
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# if __cplusplus >= 201103L // C++11
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# define __CILKRTS_RVALUE_REFERENCES 1
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# elif defined(__GXX_EXPERIMENTAL_CXX0X__)
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# define __CILKRTS_RVALUE_REFERENCES 1
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# elif __cplusplus >= 199711L && __cplusplus < 201103L
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// Compiler recognizes a language version prior to C++11
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# elif __INTEL_COMPILER == 1200 && defined(__STDC_HOSTED__)
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// Intel compiler version 12.0
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// __cplusplus has a non-standard definition. In the absence of a
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// proper definition, look for the C++0x macro, __STDC_HOSTED__.
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# define __CILKRTS_RVALUE_REFERENCES 1
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# elif __INTEL_COMPILER > 1200 && defined(CHAR16T)
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// Intel compiler version >= 12.1
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// __cplusplus has a non-standard definition. In the absence of a
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// proper definition, look for the Intel macro, CHAR16T
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# define __CILKRTS_RVALUE_REFERENCES 1
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# endif
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#endif
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/*
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* Include stdint.h to define the standard integer types.
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*
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* Unfortunately Microsoft doesn't provide stdint.h until Visual Studio 2010,
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* so use our own definitions until those are available
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*/
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#if ! defined(_MSC_VER) || (_MSC_VER >= 1600)
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# include <stdint.h>
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#else
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# ifndef __MS_STDINT_TYPES_DEFINED__
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# define __MS_STDINT_TYPES_DEFINED__
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typedef signed char int8_t;
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typedef short int16_t;
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typedef int int32_t;
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typedef __int64 int64_t;
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typedef unsigned char uint8_t;
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typedef unsigned short uint16_t;
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typedef unsigned int uint32_t;
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typedef unsigned __int64 uint64_t;
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# endif /* __MS_STDINT_TYPES_DEFINED__ */
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#endif /* ! defined(_MSC_VER) || (_MSC_VER >= 1600) */
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/**
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* @brief Application Binary Interface (ABI) version of the Intel Cilk Plus runtime
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* library.
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*
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* The compiler determines the ABI version used for compilation. Object files
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* compiled with higher ABI versions are not compatible with libraries compiled
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* with lower ABI versions. However, an object file compiled with a lower ABI
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* version can be used with a library compiled with a higher ABI version
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* (unless otherwise stated.)
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*/
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#ifndef __CILKRTS_ABI_VERSION
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# ifdef IN_CILK_RUNTIME
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# define __CILKRTS_ABI_VERSION 1
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# elif defined(__INTEL_COMPILER) && (__INTEL_COMPILER <= 1200)
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// Intel compilers prior to version 12.1 support only ABI 0
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# define __CILKRTS_ABI_VERSION 0
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# else
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// Non-Intel compiler or Intel compiler after version 12.0.
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# define __CILKRTS_ABI_VERSION 1
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# endif
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#endif
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// These structs are exported because the inlining of
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// the internal version of API methods require a worker
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// structure as parameter.
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__CILKRTS_BEGIN_EXTERN_C
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/// Worker struct, exported for inlined API methods
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/// @ingroup api
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struct __cilkrts_worker;
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/// Worker struct, exported for inlined API methods
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/// @ingroup api
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typedef struct __cilkrts_worker __cilkrts_worker;
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/// Worker struct pointer, exported for inlined API methods
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/// @ingroup api
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typedef struct __cilkrts_worker *__cilkrts_worker_ptr;
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/// Fetch the worker out of TLS.
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CILK_ABI(__cilkrts_worker_ptr) __cilkrts_get_tls_worker(void);
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/// void *, defined to work around complaints from the compiler
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/// about using __declspec(nothrow) after the "void *" return type
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typedef void * __cilkrts_void_ptr;
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__CILKRTS_END_EXTERN_C
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#if __CILKRTS_ABI_VERSION >= 1
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// Pedigree API is available only for compilers that use ABI version >= 1.
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/** Pedigree information kept in the worker and stack frame.
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* @ingroup api
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*/
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typedef struct __cilkrts_pedigree
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{
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/** Rank at start of spawn helper. Saved rank for spawning functions */
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uint64_t rank;
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/** Link to next in chain */
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const struct __cilkrts_pedigree *parent;
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} __cilkrts_pedigree;
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#endif // __CILKRTS_ABI_VERSION >= 1
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/// @}
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#endif /* INCLUDED_CILK_COMMON */
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