173 строки
4.4 KiB
C
173 строки
4.4 KiB
C
/*
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* $HEADER$
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*
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* This file is included at the bottom of ompi_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 ompi_config.h, and
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* ompi_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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/*
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* If we're in C, bring in the bool type and true/false constants.
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*/
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#ifndef __cplusplus
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#if OMPI_USE_STDBOOL_H
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#include <stdbool.h>
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#else
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typedef enum { false, true } bool;
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#endif
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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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#if defined(PATH_MAX)
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#define OMPI_PATH_MAX (PATH_MAX + 1)
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#elif defined(_POSIX_PATH_MAX)
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#define OMPI_PATH_MAX (_POSIX_PATH_MAX + 1)
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#else
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#define OMPI_PATH_MAX 256
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#endif
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/*
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* Do we have thread support?
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*/
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#define OMPI_HAVE_THREADS (OMPI_HAVE_SOLARIS_THREADS || OMPI_HAVE_POSIX_THREADS)
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/* parameter indicating if to check MPI arguments */
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extern bool ompi_mpi_param_check;
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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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#include <stdint.h>
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#else
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#include "ompi_stdint.h"
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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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* OMPI_MPI_H is defined. 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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#if OMPI_ENABLE_MEM_DEBUG && defined(OMPI_BUILDING) && OMPI_BUILDING && !defined(OMPI_MPI_H)
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/* It is safe to include 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 mem/malloc.h, so we won't
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have Cascading Includes Of Death. */
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#include "util/malloc.h"
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#define malloc(size) ompi_malloc((size), __FILE__, __LINE__)
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#define realloc(ptr, size) ompi_realloc((ptr), (size), __FILE__, __LINE__)
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#define free(ptr) ompi_free((ptr), __FILE__, __LINE__)
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#endif
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/*
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* Do we want to override debugging controls?
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*/
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#if defined(OMPI_ENABLE_DEBUG_OVERRIDE) && OMPI_ENABLE_DEBUG_OVERRIDE
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#undef OMPI_ENABLE_DEBUG
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#define OMPI_ENABLE_DEBUG 1
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#endif
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/*
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* C type for Fortran COMPLEX
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*/
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typedef struct {
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ompi_fortran_real_t real;
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ompi_fortran_real_t imag;
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} ompi_fortran_complex_t;
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/*
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* C type for Fortran DOUBLE COMPLEX
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*/
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typedef struct {
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ompi_fortran_dblprec_t real;
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ompi_fortran_dblprec_t imag;
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} ompi_fortran_dblcomplex_t;
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/*
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* printf functions for portability
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*/
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#if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
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#if __STDC__
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#include <stdarg.h>
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#else
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#ifdef __cplusplus
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#endif /* __STDC__ */
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#endif
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#if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF)
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#include <stdlib.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef HAVE_ASPRINTF
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int ompi_asprintf(char **, const char *, ...);
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# define asprintf ompi_asprintf
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#endif
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#ifndef HAVE_SNPRINTF
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int ompi_snprintf(char *, size_t, const char *, ...);
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# define snprintf ompi_snprintf
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#endif
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#ifndef HAVE_VASPRINTF
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int ompi_vasprintf(char **, const char *, va_list);
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# define vasprintf ompi_vasprintf
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#endif
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#ifndef HAVE_VSNPRINTF
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int ompi_vsnprintf(char *, size_t, const char *, va_list);
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# define vsnprintf ompi_vsnprintf
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#endif
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#ifdef __cplusplus
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}
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/* For windoze weirdness. A function/object is not considered paprt of DLL interface unless
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it is exported. Hence this macro. It needs to b prepended to the declaration of the
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function/object which needs to be exported from a DLL. For us, this would be all MPI_ functions
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and also all function from within ompi implementation which are used by other execuatables
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such as ompi_info, mpicc, etc. Visual studio defines WIN32 and is the standard way of knowing
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whether we are compiling using CL.EXE. Note that the compiler itself does not define this macro.
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Also, they simply define the macro as opposed to defining it to something. I guess they
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dont program defensively :-) */
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#if defined (WIN32)
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#define OMPI_EXPORT __declspec(dllexport)
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#define OMPI_IMPORT __declspec(dllimport)
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#else
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#define OMPI_EXPORT
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#define OMPI_IMPORT
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#endif /* windoze weirdness */
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#endif
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