90d6491737
C++ compiler in configure. If we have a C++ compiler, then the MPI C++ bindings are built by default. If we don't have a C++ compiler, then the MPI C++ bindings are not built by default. --enable-mpi-cxx will now force an error if there is no C++ compiler available. --disable-mpi-cxx (or the lack of a C++ compiler) will now disable many of the C++ compiler checks in configure. Note that there are a few items to clean up regarding the difference between C's _Bool type and C++'s bool type. Right now, we assume that they are the same. But they aren't, and they shouldn't be treated as such. This cleanup will be forced in MPI-2.2 with the introduction of the MPI_C_BOOL MPI datatype. This commit was SVN r21755.
606 строки
19 KiB
C
606 строки
19 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2007 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
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* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*
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* This file is included at the bottom of opal_config.h, and is
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* therefore a) after all the #define's that were output from
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* configure, and b) included in most/all files in Open MPI.
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*
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* Since this file is *only* ever included by opal_config.h, and
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* opal_config.h already has #ifndef/#endif protection, there is no
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* need to #ifndef/#endif protection here.
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*/
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#ifndef OPAL_CONFIG_H
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#error "opal_config_bottom.h should only be included from opal_config.h"
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#endif
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/*
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* If we build a static library, Visual C define the _LIB symbol. In the
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* case of a shared library _USERDLL get defined.
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*
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* OMPI_BUILDING and _LIB define how ompi_config.h
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* handles configuring all of Open MPI's "compatibility" code. Both
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* constants will always be defined by the end of ompi_config.h.
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*
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* OMPI_BUILDING affects how much compatibility code is included by
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* ompi_config.h. It will always be 1 or 0. The user can set the
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* value before including either mpi.h or ompi_config.h and it will be
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* respected. If ompi_config.h is included before mpi.h, it will
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* default to 1. If mpi.h is included before ompi_config.h, it will
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* default to 0.
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*/
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#ifndef OMPI_BUILDING
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#define OMPI_BUILDING 1
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#endif
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/*
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* Flex is trying to include the unistd.h file. As there is no configure
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* option or this, the flex generated files will try to include the file
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* even on platforms without unistd.h (such as Windows). Therefore, if we
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* know this file is not available, we can prevent flex from including it.
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*/
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#ifndef HAVE_UNISTD_H
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#define YY_NO_UNISTD_H
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#endif
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/***********************************************************************
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*
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* code that should be in ompi_config_bottom.h regardless of build
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* status
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*
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**********************************************************************/
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/* Do we have posix or solaris thread lib */
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#define OPAL_HAVE_THREADS (OPAL_HAVE_POSIX_THREADS || OPAL_HAVE_SOLARIS_THREADS)
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/* Do we have thread support? */
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#define OPAL_HAVE_THREAD_SUPPORT (OPAL_ENABLE_MPI_THREADS || OPAL_ENABLE_PROGRESS_THREADS)
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/*
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* BEGIN_C_DECLS should be used at the beginning of your declarations,
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* so that C++ compilers don't mangle their names. Use END_C_DECLS at
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* the end of C declarations.
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*/
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#undef BEGIN_C_DECLS
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#undef END_C_DECLS
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#if defined(c_plusplus) || defined(__cplusplus)
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# define BEGIN_C_DECLS extern "C" {
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# define END_C_DECLS }
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#else
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#define BEGIN_C_DECLS /* empty */
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#define END_C_DECLS /* empty */
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#endif
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/**
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* The attribute definition should be included before any potential
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* usage.
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*/
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#if OPAL_HAVE_ATTRIBUTE_ALIGNED
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# define __opal_attribute_aligned__(a) __attribute__((__aligned__(a)))
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# define __opal_attribute_aligned_max__ __attribute__((__aligned__))
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#else
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# define __opal_attribute_aligned__(a)
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# define __opal_attribute_aligned_max__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_ALWAYS_INLINE
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# define __opal_attribute_always_inline__ __attribute__((__always_inline__))
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#else
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# define __opal_attribute_always_inline__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_COLD
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# define __opal_attribute_cold__ __attribute__((__cold__))
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#else
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# define __opal_attribute_cold__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_CONST
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# define __opal_attribute_const__ __attribute__((__const__))
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#else
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# define __opal_attribute_const__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_DEPRECATED
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# define __opal_attribute_deprecated__ __attribute__((__deprecated__))
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#else
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# define __opal_attribute_deprecated__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_FORMAT
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# define __opal_attribute_format__(a,b,c) __attribute__((__format__(a, b, c)))
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#else
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# define __opal_attribute_format__(a,b,c)
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#endif
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#if OPAL_HAVE_ATTRIBUTE_HOT
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# define __opal_attribute_hot__ __attribute__((__hot__))
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#else
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# define __opal_attribute_hot__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_MALLOC
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# define __opal_attribute_malloc__ __attribute__((__malloc__))
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#else
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# define __opal_attribute_malloc__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_MAY_ALIAS
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# define __opal_attribute_may_alias__ __attribute__((__may_alias__))
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#else
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# define __opal_attribute_may_alias__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_NO_INSTRUMENT_FUNCTION
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# define __opal_attribute_no_instrument_function__ __attribute__((__no_instrument_function__))
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#else
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# define __opal_attribute_no_instrument_function__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_NONNULL
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# define __opal_attribute_nonnull__(a) __attribute__((__nonnull__(a)))
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# define __opal_attribute_nonnull_all__ __attribute__((__nonnull__))
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#else
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# define __opal_attribute_nonnull__(a)
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# define __opal_attribute_nonnull_all__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_NORETURN
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# define __opal_attribute_noreturn__ __attribute__((__noreturn__))
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#else
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# define __opal_attribute_noreturn__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_PACKED
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# define __opal_attribute_packed__ __attribute__((__packed__))
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#else
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# define __opal_attribute_packed__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_PURE
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# define __opal_attribute_pure__ __attribute__((__pure__))
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#else
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# define __opal_attribute_pure__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_SENTINEL
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# define __opal_attribute_sentinel__ __attribute__((__sentinel__))
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#else
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# define __opal_attribute_sentinel__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_UNUSED
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# define __opal_attribute_unused__ __attribute__((__unused__))
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#else
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# define __opal_attribute_unused__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_VISIBILITY
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# define __opal_attribute_visibility__(a) __attribute__((__visibility__(a)))
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#else
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# define __opal_attribute_visibility__(a)
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#endif
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#if OPAL_HAVE_ATTRIBUTE_WARN_UNUSED_RESULT
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# define __opal_attribute_warn_unused_result__ __attribute__((__warn_unused_result__))
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#else
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# define __opal_attribute_warn_unused_result__
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#endif
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#if OPAL_HAVE_ATTRIBUTE_WEAK_ALIAS
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# define __opal_attribute_weak_alias__(a) __attribute__((__weak__, __alias__(a)))
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#else
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# define __opal_attribute_weak_alias__(a)
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#endif
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/***********************************************************************
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*
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* Windows library interface declaration code
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*
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**********************************************************************/
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#if !defined(__WINDOWS__)
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# if defined(_WIN32) || defined(WIN32) || defined(WIN64)
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# define __WINDOWS__
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# endif
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#endif /* !defined(__WINDOWS__) */
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#if defined(__WINDOWS__)
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# if defined(_USRDLL) /* building shared libraries (.DLL) */
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# if defined(OPAL_EXPORTS)
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# define OPAL_DECLSPEC __declspec(dllexport)
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# define OPAL_MODULE_DECLSPEC
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# else
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# define OPAL_DECLSPEC __declspec(dllimport)
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# if defined(OPAL_MODULE_EXPORTS)
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# define OPAL_MODULE_DECLSPEC __declspec(dllexport)
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# else
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# define OPAL_MODULE_DECLSPEC __declspec(dllimport)
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# endif /* defined(OPAL_MODULE_EXPORTS) */
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# endif /* defined(OPAL_EXPORTS) */
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# else /* building static library */
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# if defined(OPAL_IMPORTS)
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# define OPAL_DECLSPEC __declspec(dllimport)
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# else
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# define OPAL_DECLSPEC
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# endif /* defined(OPAL_IMPORTS) */
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# define OPAL_MODULE_DECLSPEC
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# endif /* defined(_USRDLL) */
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# include "opal/win32/win_compat.h"
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#else
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# if OPAL_C_HAVE_VISIBILITY
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# define OPAL_DECLSPEC __opal_attribute_visibility__("default")
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# define OPAL_MODULE_DECLSPEC __opal_attribute_visibility__("default")
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# else
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# define OPAL_DECLSPEC
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# define OPAL_MODULE_DECLSPEC
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# endif
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#endif /* defined(__WINDOWS__) */
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/*
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* Do we have <stdint.h>?
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*/
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#ifdef HAVE_STDINT_H
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#if defined(__cplusplus) && !defined(__STDC_LIMIT_MACROS)
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/* When using a C++ compiler, the max / min value #defines for std
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types are only included if __STDC_LIMIT_MACROS is set before
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including stdint.h */
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#define __STDC_LIMIT_MACROS
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#endif
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#include "opal_config.h"
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#include <stdint.h>
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#else
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#include "opal_stdint.h"
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#endif
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/***********************************************************************
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*
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* Code that is only for when building Open MPI or utilities that are
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* using the internals of Open MPI. It should not be included when
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* building MPI applications
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*
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**********************************************************************/
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#if OMPI_BUILDING
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#ifndef HAVE_PTRDIFF_T
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typedef OPAL_PTRDIFF_TYPE ptrdiff_t;
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#endif
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/*
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* If we're in C, we may need to bring in the bool type and true/false
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* constants. OPAL_NEED_C_BOOL will be true if the compiler either
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* needs <stdbool.h> or doesn't define the bool type at all.
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*/
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#if !(defined(c_plusplus) || defined(__cplusplus))
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# if OPAL_NEED_C_BOOL
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# if OPAL_USE_STDBOOL_H
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/* If we're using <stdbool.h>, there is an implicit
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assumption that the C++ bool is the same size and has
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the same alignment. However, configure may have
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disabled the MPI C++ bindings, so if "_Bool" exists,
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then use that sizeof. */
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# include <stdbool.h>
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/* This section exists because AC_SIZEOF(bool) may not be
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run in configure if we're not building the MPI C++
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bindings. */
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# undef SIZEOF_BOOL
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# if SIZEOF__BOOL > 0
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# define SIZEOF_BOOL SIZEOF__BOOL
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# else
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/* If all else fails, assume it's 1 */
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# define SIZEOF_BOOL 1
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# endif
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# else
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/* We need to create a bool type and ensure that it's the
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same size / alignment as the C++ bool size /
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alignment */
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# define false 0
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# define true 1
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# if SIZEOF_BOOL == SIZEOF_CHAR && OPAL_ALIGNMENT_CXX_BOOL == OPAL_ALIGNMENT_CHAR
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typedef unsigned char bool;
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# elif SIZEOF_BOOL == SIZEOF_SHORT && OPAL_ALIGNMENT_CXX_BOOL == OPAL_ALIGNMENT_SHORT
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typedef short bool;
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# elif SIZEOF_BOOL == SIZEOF_INT && OPAL_ALIGNMENT_CXX_BOOL == OPAL_ALIGNMENT_INT
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typedef int bool;
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# elif SIZEOF_BOOL == SIZEOF_LONG && OPAL_ALIGNMENT_CXX_BOOL == OPAL_ALIGNMENT_LONG
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typedef long bool;
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# elif defined(SIZEOF_LONG_LONG) && defined(OPAL_ALIGNMENT_LONG) && SIZEOF_BOOL == SIZEOF_LONG && OPAL_ALIGNMENT_CXX_BOOL == OPAL_ALIGNMENT_LONG
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typedef long long bool;
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/* If we have _Bool, use that */
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# elif SIZEOF__BOOL > 0
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# undef SIZEOF_BOOL
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# define bool _Bool
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# define SIZEOF_BOOL SIZEOF__BOOL
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# else
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/* If all else fails, just make bool be an unsigned char
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and size of 1 */
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typedef unsigned char bool;
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# define SIZEOF_BOOL 1
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# endif
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# endif /* OPAL_USE_STDBOOL_H */
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# endif /* OPAL_NEED_C_BOOL */
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#endif
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/*
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* Maximum size of a filename path.
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*/
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#include <limits.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#if defined(PATH_MAX)
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#define OPAL_PATH_MAX (PATH_MAX + 1)
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#elif defined(_POSIX_PATH_MAX)
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#define OPAL_PATH_MAX (_POSIX_PATH_MAX + 1)
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#else
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#define OPAL_PATH_MAX 256
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#endif
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/*
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* Set the compile-time path-separator on this system and variable separator
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*/
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#ifdef __WINDOWS__
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#define OPAL_PATH_SEP "\\"
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#define OPAL_ENV_SEP ';'
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#else
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#define OPAL_PATH_SEP "/"
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#define OPAL_ENV_SEP ':'
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#endif
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/*
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* Do we want memory debugging?
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*
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* A few scenarios:
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*
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* 1. In the OMPI C library: we want these defines in all cases
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* 2. In the OMPI C++ bindings: we do not want them
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* 3. In the OMPI C++ executables: we do want them
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*
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* So for 1, everyone must include <ompi_config.h> first. For 2, the
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* C++ bindings will never include <ompi_config.h> -- they will only
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* include <mpi.h>, which includes <ompi_config.h>, but after
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* setting OMPI_BUILDING to 0 For 3, it's the same as 1 -- just include
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* <ompi_config.h> first.
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*
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* Give code that needs to include ompi_config.h but really can't have
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* this stuff enabled (like the memory manager code) a way to turn us
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* off
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*/
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#if OPAL_ENABLE_MEM_DEBUG && !defined(OPAL_DISABLE_ENABLE_MEM_DEBUG)
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/* It is safe to include opal/util/malloc.h here because a) it will only
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happen when we are building OMPI and therefore have a full OMPI
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source tree [including headers] available, and b) we guaranteed to
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*not* to include anything else via opal/util/malloc.h, so we won't
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have Cascading Includes Of Death. */
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# include "opal/util/malloc.h"
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# if defined(malloc)
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# undef malloc
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# endif
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# define malloc(size) opal_malloc((size), __FILE__, __LINE__)
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# if defined(calloc)
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# undef calloc
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# endif
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# define calloc(nmembers, size) opal_calloc((nmembers), (size), __FILE__, __LINE__)
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# if defined(realloc)
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# undef realloc
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# endif
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# define realloc(ptr, size) opal_realloc((ptr), (size), __FILE__, __LINE__)
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# if defined(free)
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# undef free
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# endif
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# define free(ptr) opal_free((ptr), __FILE__, __LINE__)
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/*
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* If we're mem debugging, make the OPAL_DEBUG_ZERO resolve to memset
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*/
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# include <string.h>
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# define OPAL_DEBUG_ZERO(obj) memset(&(obj), 0, sizeof(obj))
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#else
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# define OPAL_DEBUG_ZERO(obj)
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#endif
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/*
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|
* printf functions for portability (only when building Open MPI)
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*/
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#if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
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#include <stdarg.h>
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#include <stdlib.h>
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#endif
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#if !defined(HAVE_ASPRINTF) || !defined(HAVE_SNPRINTF) || !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
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#include "opal/util/printf.h"
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#endif
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#ifndef HAVE_ASPRINTF
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# define asprintf opal_asprintf
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#endif
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#ifndef HAVE_SNPRINTF
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# define snprintf opal_snprintf
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#endif
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#ifndef HAVE_VASPRINTF
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# define vasprintf opal_vasprintf
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#endif
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#ifndef HAVE_VSNPRINTF
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# define vsnprintf opal_vsnprintf
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#endif
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|
/*
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|
* Some platforms (Solaris) have a broken qsort implementation. Work
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|
* around by using our own.
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*/
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|
#if OPAL_HAVE_BROKEN_QSORT
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#ifdef qsort
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#undef qsort
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#endif
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#include "opal/util/qsort.h"
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#define qsort opal_qsort
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#endif
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/*
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|
* On some homogenous big-iron machines (Sandia's Red Storm), there
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|
* are no htonl and friends. If that's the case, provide stubs. I
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|
* would hope we never find a platform that doesn't have these macros
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* and would want to talk to the outside world... On other platforms
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* (like Windows) we fail to detect them correctly.
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*/
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#if !defined(__WINDOWS__) && !defined(HAVE_UNIX_BYTESWAP)
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|
static inline uint32_t htonl(uint32_t hostvar) { return hostvar; }
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static inline uint32_t ntohl(uint32_t netvar) { return netvar; }
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static inline uint16_t htons(uint16_t hostvar) { return hostvar; }
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static inline uint16_t ntohs(uint16_t netvar) { return netvar; }
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#endif
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/*
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* Define __func__-preprocessor directive if the compiler does not
|
|
* already define it. Define it to __FILE__ so that we at least have
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* a clue where the developer is trying to indicate where the error is
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|
* coming from (assuming that __func__ is typically used for
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* printf-style debugging).
|
|
*/
|
|
#if defined(HAVE_DECL___FUNC__) && !HAVE_DECL___FUNC__
|
|
#define __func__ __FILE__
|
|
#endif
|
|
|
|
/**
|
|
* Because of the way we're using the opal_object inside Open MPI (i.e.
|
|
* dynamic resolution at run-time to derive all objects from the basic
|
|
* type), on Windows we have to build everything on C++ mode, simply
|
|
* because the C mode does not support dynamic resolution in DLL. Therefore,
|
|
* no automatic conversion is allowed. All types have to be explicitly casted
|
|
* or the compiler generate an error. This is true even for the void* type. As
|
|
* we use void* to silence others compilers in the resolution of the addr member
|
|
* of the iovec structure, we have now to find a way around. The simplest solution
|
|
* is to define a special type for this field (just for casting). It can be
|
|
* set to void* on all platforms with the exception of windows where it has to be
|
|
* char*.
|
|
*/
|
|
#if defined(__WINDOWS__)
|
|
#define IOVBASE_TYPE char
|
|
#else
|
|
#define IOVBASE_TYPE void
|
|
#endif /* defined(__WINDOWS__) */
|
|
|
|
/**
|
|
* If we generate our own bool type, we need a special way to cast the result
|
|
* in such a way to keep the compilers silent. Right now, th only compiler who
|
|
* complain about int to bool conversions is the Microsoft compiler.
|
|
*/
|
|
#if defined(__WINDOWS__)
|
|
# define OPAL_INT_TO_BOOL(VALUE) ((VALUE) != 0 ? true : false)
|
|
#else
|
|
# define OPAL_INT_TO_BOOL(VALUE) (bool)(VALUE)
|
|
#endif /* defined(__WINDOWS__) */
|
|
|
|
/**
|
|
* Top level define to check 2 things: a) if we want ipv6 support, and
|
|
* b) the underlying system supports ipv6. Having one #define for
|
|
* this makes it simpler to check throughout the code base.
|
|
*/
|
|
#if OPAL_ENABLE_IPV6 && defined(HAVE_STRUCT_SOCKADDR_IN6)
|
|
#define OPAL_WANT_IPV6 1
|
|
#else
|
|
#define OPAL_WANT_IPV6 0
|
|
#endif
|
|
|
|
#if !defined(HAVE_STRUCT_SOCKADDR_STORAGE) && defined(HAVE_STRUCT_SOCKADDR_IN)
|
|
#define sockaddr_storage sockaddr
|
|
#define ss_family sa_family
|
|
#endif
|
|
|
|
/* Compatibility structure so that we don't have to have as many
|
|
#if checks in the code base */
|
|
#if !defined(HAVE_STRUCT_SOCKADDR_IN6) && defined(HAVE_STRUCT_SOCKADDR_IN)
|
|
#define sockaddr_in6 sockaddr_in
|
|
#define sin6_len sin_len
|
|
#define sin6_family sin_family
|
|
#define sin6_port sin_port
|
|
#define sin6_addr sin_addr
|
|
#endif
|
|
|
|
#if !HAVE_DECL_AF_UNSPEC
|
|
#define AF_UNSPEC 0
|
|
#endif
|
|
#if !HAVE_DECL_PF_UNSPEC
|
|
#define PF_UNSPEC 0
|
|
#endif
|
|
#if !HAVE_DECL_AF_INET6
|
|
#define AF_INET6 AF_UNSPEC
|
|
#endif
|
|
#if !HAVE_DECL_PF_INET6
|
|
#define PF_INET6 PF_UNSPEC
|
|
#endif
|
|
|
|
#if defined(__APPLE__) && defined(HAVE_INTTYPES_H)
|
|
/* Prior to Mac OS X 10.3, the length modifier "ll" wasn't
|
|
supported, but "q" was for long long. This isn't ANSI
|
|
C and causes a warning when using PRI?64 macros. We
|
|
don't support versions prior to OS X 10.3, so we dont'
|
|
need such backward compatibility. Instead, redefine
|
|
the macros to be "ll", which is ANSI C and doesn't
|
|
cause a compiler warning. */
|
|
#include <inttypes.h>
|
|
#if defined(__PRI_64_LENGTH_MODIFIER__)
|
|
#undef __PRI_64_LENGTH_MODIFIER__
|
|
#define __PRI_64_LENGTH_MODIFIER__ "ll"
|
|
#endif
|
|
#if defined(__SCN_64_LENGTH_MODIFIER__)
|
|
#undef __SCN_64_LENGTH_MODIFIER__
|
|
#define __SCN_64_LENGTH_MODIFIER__ "ll"
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef MCS_VXWORKS
|
|
/* VXWorks puts some common functions in oddly named headers. Rather
|
|
than update all the places the functions are used, which would be a
|
|
maintenance disatster, just update here... */
|
|
#ifdef HAVE_IOLIB_H
|
|
/* pipe(), ioctl() */
|
|
#include <ioLib.h>
|
|
#endif
|
|
#ifdef HAVE_SOCKLIB_H
|
|
/* socket() */
|
|
#include <sockLib.h>
|
|
#endif
|
|
#ifdef HAVE_HOSTLIB_H
|
|
/* gethostname() */
|
|
#include <hostLib.h>
|
|
|
|
#ifndef MAXHOSTNAMELEN
|
|
#define MAXHOSTNAMELEN 64
|
|
#endif
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/* If we're in C++, then just undefine restrict and then define it to
|
|
nothing. "restrict" is not part of the C++ language, and we don't
|
|
have a corresponding AC_CXX_RESTRICT to figure out what the C++
|
|
compiler supports. */
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
#undef restrict
|
|
#define restrict
|
|
#endif
|
|
|
|
#endif /* OMPI_BUILDING */
|