/* * Copyright (c) 2004-2005 The Trustees of Indiana University. * All rights reserved. * Copyright (c) 2004-2005 The Trustees of the University of Tennessee. * All rights reserved. * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, * University of Stuttgart. All rights reserved. * Copyright (c) 2004-2005 The Regents of the University of California. * All rights reserved. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ * * This file is included at the bottom of ompi_config.h, and is * therefore a) after all the #define's that were output from * configure, and b) included in most/all files in Open MPI. * * Since this file is *only* ever included by ompi_config.h, and * ompi_config.h already has #ifndef/#endif protection, there is no * need to #ifndef/#endif protection here. */ #ifndef OMPI_CONFIG_H #error "ompi_config_bottom.h should only be included from ompi_config.h" #endif /* * OMPI_BUILDING and OMPI_BUILDING_WIN_DSO define how ompi_config.h * handles configuring all of Open MPI's "compatibility" code. Both * constants will always be defined by the end of ompi_config.h. * * OMPI_BUILDING affects how much compatibility code is included by * ompi_config.h. It will always be 1 or 0. The user can set the * value before including either mpi.h or ompi_config.h and it will be * respected. If ompi_config.h is included before mpi.h, it will * default to 1. If mpi.h is included before ompi_config.h, it will * default to 0. * * If OMPI_BUILDING is 1, ompi_config.h will: * - everything that happens with OMPI_BUILDING set to 0 * - include a bunch of header files (stdint.h, stdtypes.h, etc.) * - potentially override malloc, free, etc. for memory debugging * - provide C bool type * - set ompi_building code to import all OMPI interfaces (windows) * * If OMPI_BUILDING is 0, ompi_config.h will: * - set configuration #defines * - define the fortran complex types * - set the ompi_building code to export all the interfaces * (unless OMPI_BUILDING_WIN_DSO is set to 1) (windows) * * If OMPI_BUILDING_WIN_DSO is 1, ompi_config.h will: * - configure the OMPI_DECLSPEC defines to assume we are building a * dynamic shared object for a component on Windows. This will set * all the import/export flags appropriately. * * If OMPI_BUILDING_WIN_DSO is 0 (or unset), ompi_config.h will: * - configure the OMPI_DECLSPEC defines to assume we are not building * a DSO component for Windows . */ #ifndef OMPI_BUILDING #define OMPI_BUILDING 1 #endif #ifndef OMPI_BUILDING_WIN_DSO #define OMPI_BUILDING_WIN_DSO 0 #endif /*********************************************************************** * * code that should be in ompi_config_bottom.h regardless of build * status * **********************************************************************/ /* MPI_Fint is the same as ompi_fortran_INTEGER_t */ #define MPI_Fint ompi_fortran_integer_t /* Do we have thread support? */ #define OMPI_HAVE_THREAD_SUPPORT (OMPI_ENABLE_MPI_THREADS || OMPI_ENABLE_PROGRESS_THREADS) #if OMPI_HAVE_FORTRAN_REAL && OMPI_HAVE_FORTRAN_COMPLEX /* * C type for Fortran COMPLEX */ typedef struct { ompi_fortran_real_t real; ompi_fortran_real_t imag; } ompi_fortran_complex_t; #endif #if OMPI_HAVE_FORTRAN_REAL4 && OMPI_HAVE_FORTRAN_COMPLEX8 /* * C type for Fortran COMPLEX*8 */ typedef struct { ompi_fortran_real4_t real; ompi_fortran_real4_t imag; } ompi_fortran_complex8_t; #endif #if OMPI_HAVE_FORTRAN_REAL8 && OMPI_HAVE_FORTRAN_COMPLEX16 /* * C type for Fortran COMPLEX*16 */ typedef struct { ompi_fortran_real8_t real; ompi_fortran_real8_t imag; } ompi_fortran_complex16_t; #endif #if OMPI_HAVE_FORTRAN_REAL16 && OMPI_HAVE_FORTRAN_COMPLEX32 /* * C type for Fortran COMPLEX*32 */ typedef struct { ompi_fortran_real16_t real; ompi_fortran_real16_t imag; } ompi_fortran_complex32_t; #endif #if OMPI_HAVE_FORTRAN_DOUBLE_PRECISION /* * C type for Fortran DOUBLE COMPLEX */ typedef struct { ompi_fortran_double_precision_t real; ompi_fortran_double_precision_t imag; } ompi_fortran_double_complex_t; #endif /*********************************************************************** * * Windows library interface declaration code * **********************************************************************/ #if defined(WIN32) # if OMPI_BUILDING # include "win32/win_compat.h" # endif # if OMPI_BUILDING_WIN_DSO /* building a component - need to import libmpi and export our struct */ # define OMPI_COMP_EXPORT __declspec(dllexport) # define OMPI_DECLSPEC __declspec(dllimport) # elif OMPI_BUILDING /* building libmpi (or something in libmpi) - need to export libmpi interface */ # define OMPI_COMP_EXPORT # define OMPI_DECLSPEC __declspec(dllexport) # else /* building something using libmpi - export the libmpi interface */ # define OMPI_COMP_EXPORT # define OMPI_DECLSPEC __declspec(dllimport) # endif #else /* On Unix - get rid of the defines */ # define OMPI_COMP_EXPORT # define OMPI_DECLSPEC #endif /*********************************************************************** * * Code that is only for when building Open MPI or utilities that are * using the internals of Open MPI. It should not be included when * building MPI applications * **********************************************************************/ #if OMPI_BUILDING /* * If we're in C, we may need to bring in the bool type and true/false * constants. OMPI_NEED_C_BOOL will be true if the compiler either * needs or doesn't define the bool type at all. */ #if !defined(__cplusplus) # if OMPI_NEED_C_BOOL # if OMPI_USE_STDBOOL_H /* If we're using , there is an implicit assumption that the C++ bool is the same size and has the same alignment. */ # include # elif defined(WIN32) # define bool BOOL # define false FALSE # define true TRUE # else /* We need to create a bool type and ensure that it's the same size / alignment as the C++ bool size / alignment */ # define false 0 # define true 1 # if SIZEOF_BOOL == SIZEOF_CHAR && OMPI_ALIGNMENT_CXX_BOOL == OMPI_ALIGNMENT_CHAR typedef char bool; # elif SIZEOF_BOOL == SIZEOF_SHORT && OMPI_ALIGNMENT_CXX_BOOL == OMPI_ALIGNMENT_SHORT typedef short bool; # elif SIZEOF_BOOL == SIZEOF_INT && OMPI_ALIGNMENT_CXX_BOOL == OMPI_ALIGNMENT_INT typedef int bool; # elif SIZEOF_BOOL == SIZEOF_LONG && OMPI_ALIGNMENT_CXX_BOOL == OMPI_ALIGNMENT_LONG typedef long bool; # elif defined(SIZEOF_LONG_LONG) && defined(OMPI_ALIGNMENT_LONG) && SIZEOF_BOOL == SIZEOF_LONG && OMPI_ALIGNMENT_CXX_BOOL == OMPI_ALIGNMENT_LONG typedef long long bool; # else # error Cannot find a C type that corresponds to the size and alignment of C++ bool! # endif # endif # endif #endif /* * Maximum size of a filename path. */ #include #if defined(PATH_MAX) #define OMPI_PATH_MAX (PATH_MAX + 1) #elif defined(_POSIX_PATH_MAX) #define OMPI_PATH_MAX (_POSIX_PATH_MAX + 1) #else #define OMPI_PATH_MAX 256 #endif /* * Set the compile-time path-separator on this system */ #ifdef WIN32 #define OMPI_PATH_SEP "\\" #else #define OMPI_PATH_SEP "/" #endif /* * Do we have ? */ #ifdef HAVE_STDINT_H #if defined(__cplusplus) && !defined(__STDC_LIMIT_MACROS) /* When using a C++ compiler, the max / min value #defines for std types are only included if __STDC_LIMIT_MACROS is set before including stdint.h */ #define __STDC_LIMIT_MACROS #endif #include #else #include "ompi_stdint.h" #endif /* * Do we want memory debugging? * * A few scenarios: * * 1. In the OMPI C library: we want these defines in all cases * 2. In the OMPI C++ bindings: we do not want them * 3. In the OMPI C++ executables: we do want them * * So for 1, everyone must include first. For 2, the * C++ bindings will never include -- they will only * include , which includes , but after * setting OMPI_BUILDING to 0 For 3, it's the same as 1 -- just include * first. * * Give code that needs to include ompi_config.h but really can't have * this stuff enabled (like the memory manager code) a way to turn us * off */ #if OMPI_ENABLE_MEM_DEBUG && !defined(OMPI_DISABLE_ENABLE_MEM_DEBUG) /* It is safe to include opal/util/malloc.h here because a) it will only happen when we are building OMPI and therefore have a full OMPI source tree [including headers] available, and b) we guaranteed to *not* to include anything else via opal/util/malloc.h, so we won't have Cascading Includes Of Death. */ # include "opal/util/malloc.h" # if defined(malloc) # undef malloc # endif # define malloc(size) opal_malloc((size), __FILE__, __LINE__) # if defined(calloc) # undef calloc # endif # define calloc(nmembers, size) opal_calloc((nmembers), (size), __FILE__, __LINE__) # if defined(realloc) # undef realloc # endif # define realloc(ptr, size) opal_realloc((ptr), (size), __FILE__, __LINE__) # if defined(free) # undef free # endif # define free(ptr) opal_free((ptr), __FILE__, __LINE__) /* * If we're mem debugging, make the OMPI_DEBUG_ZERO resolve to memset */ # include # define OMPI_DEBUG_ZERO(obj) memset(&(obj), 0, sizeof(obj)) #else # define OMPI_DEBUG_ZERO(obj) #endif /* * printf functions for portability (only when building Open MPI) */ #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) #include #include #endif #if !defined(HAVE_ASPRINTF) || !defined(HAVE_SNPRINTF) || !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF) #include "opal/util/printf.h" #endif #ifndef HAVE_ASPRINTF # define asprintf opal_asprintf #endif #ifndef HAVE_SNPRINTF # define snprintf opal_snprintf #endif #ifndef HAVE_VASPRINTF # define vasprintf opal_vasprintf #endif #ifndef HAVE_VSNPRINTF # define vsnprintf opal_vsnprintf #endif /* * Some platforms (Solaris) have a broken qsort implementation. Work * around by using our own. */ #if OMPI_HAVE_BROKEN_QSORT #ifdef qsort #undef qsort #endif #include "opal/util/qsort.h" #define qsort opal_qsort #endif /* * On some homogenous big-iron machines (Sandia's Red Storm), there * are no htonl and friends. If that's the case, provide stubs. I * would hope we never find a platform that doesn't have these macros * and would want to talk to the outside world... */ #ifndef HAVE_HTONL static inline uint32_t htonl(uint32_t hostvar) { return hostvar; } #endif #ifndef HAVE_NTOHL static inline uint32_t ntohl(uint32_t netvar) { return netvar; } #endif #ifndef HAVE_HTONS static inline uint16_t htons(uint16_t hostvar) { return hostvar; } #endif #ifndef HAVE_NTOHS static inline uint16_t ntohs(uint16_t netvar) { return netvar; } #endif /* * Define __func__-preprocessor directive if the compiler does not * already define it. Define it to __FILE__ so that we at least have * a clue where the developer is trying to indicate where the error is * coming from (assuming that __func__ is typically used for * printf-style debugging). */ #if defined(HAVE_DECL___FUNC__) && !HAVE_DECL___FUNC__ #define __func__ __FILE__ #endif #endif /* OMPI_BUILDING */