/* * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana * University Research and Technology * Corporation. All rights reserved. * Copyright (c) 2004-2005 The University of Tennessee and The University * of Tennessee Research Foundation. All rights * reserved. * Copyright (c) 2004-2007 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 opal_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 opal_config.h, and * opal_config.h already has #ifndef/#endif protection, there is no * need to #ifndef/#endif protection here. */ #ifndef OPAL_CONFIG_H #error "opal_config_bottom.h should only be included from opal_config.h" #endif /* * If we build a static library, Visual C define the _LIB symbol. In the * case of a shared library _USERDLL get defined. * * OMPI_BUILDING and _LIB 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. */ #ifndef OMPI_BUILDING #define OMPI_BUILDING 1 #endif /*********************************************************************** * * code that should be in ompi_config_bottom.h regardless of build * status * **********************************************************************/ /* Do we have thread support? */ #define OMPI_HAVE_THREAD_SUPPORT (OMPI_ENABLE_MPI_THREADS || OMPI_ENABLE_PROGRESS_THREADS) /* * BEGIN_C_DECLS should be used at the beginning of your declarations, * so that C++ compilers don't mangle their names. Use END_C_DECLS at * the end of C declarations. */ #undef BEGIN_C_DECLS #undef END_C_DECLS #if defined(c_plusplus) || defined(__cplusplus) # define BEGIN_C_DECLS extern "C" { # define END_C_DECLS } #else #define BEGIN_C_DECLS /* empty */ #define END_C_DECLS /* empty */ #endif /** * The attribute definition should be included before any potential * usage. */ #if OMPI_HAVE_ATTRIBUTE_ALIGNED # define __opal_attribute_aligned__(a) __attribute__((__aligned__(a))) # define __opal_attribute_aligned_max__ __attribute__((__aligned__)) #else # define __opal_attribute_aligned__(a) # define __opal_attribute_aligned_max__ #endif #if OMPI_HAVE_ATTRIBUTE_ALWAYS_INLINE # define __opal_attribute_always_inline__ __attribute__((__always_inline__)) #else # define __opal_attribute_always_inline__ #endif #if OMPI_HAVE_ATTRIBUTE_CONST # define __opal_attribute_const__ __attribute__((__const__)) #else # define __opal_attribute_const__ #endif #if OMPI_HAVE_ATTRIBUTE_DEPRECATED # define __opal_attribute_deprecated__ __attribute__((__deprecated__)) #else # define __opal_attribute_deprecated__ #endif #if OMPI_HAVE_ATTRIBUTE_FORMAT # define __opal_attribute_format__(a,b,c) __attribute__((__format__(a, b, c))) #else # define __opal_attribute_format__(a,b,c) #endif #if OMPI_HAVE_ATTRIBUTE_MALLOC # define __opal_attribute_malloc__ __attribute__((__malloc__)) #else # define __opal_attribute_malloc__ #endif #if OMPI_HAVE_ATTRIBUTE_MAY_ALIAS # define __opal_attribute_may_alias__ __attribute__((__may_alias__)) #else # define __opal_attribute_may_alias__ #endif #if OMPI_HAVE_ATTRIBUTE_NO_INSTRUMENT_FUNCTION # define __opal_attribute_no_instrument_function__ __attribute__((__no_instrument_function__)) #else # define __opal_attribute_no_instrument_function__ #endif #if OMPI_HAVE_ATTRIBUTE_NONNULL # define __opal_attribute_nonnull__(a) __attribute__((__nonnull__(a))) # define __opal_attribute_nonnull_all__ __attribute__((__nonnull__)) #else # define __opal_attribute_nonnull__(a) # define __opal_attribute_nonnull_all__ #endif #if OMPI_HAVE_ATTRIBUTE_NORETURN # define __opal_attribute_noreturn__ __attribute__((__noreturn__)) #else # define __opal_attribute_noreturn__ #endif #if OMPI_HAVE_ATTRIBUTE_PACKED # define __opal_attribute_packed__ __attribute__((__packed__)) #else # define __opal_attribute_packed__ #endif #if OMPI_HAVE_ATTRIBUTE_PURE # define __opal_attribute_pure__ __attribute__((__pure__)) #else # define __opal_attribute_pure__ #endif #if OMPI_HAVE_ATTRIBUTE_SENTINEL # define __opal_attribute_sentinel__ __attribute__((__sentinel__)) #else # define __opal_attribute_sentinel__ #endif #if OMPI_HAVE_ATTRIBUTE_UNUSED # define __opal_attribute_unused__ __attribute__((__unused__)) #else # define __opal_attribute_unused__ #endif #if OMPI_HAVE_ATTRIBUTE_VISIBILITY # define __opal_attribute_visibility__(a) __attribute__((__visibility__(a))) #else # define __opal_attribute_visibility__(a) #endif #if OMPI_HAVE_ATTRIBUTE_WARN_UNUSED_RESULT # define __opal_attribute_warn_unused_result__ __attribute__((__warn_unused_result__)) #else # define __opal_attribute_warn_unused_result__ #endif #if OMPI_HAVE_ATTRIBUTE_WEAK_ALIAS # define __opal_attribute_weak_alias__(a) __attribute__((__weak__, __alias__(a))) #else # define __opal_attribute_weak_alias__(a) #endif /*********************************************************************** * * Windows library interface declaration code * **********************************************************************/ #if !defined(__WINDOWS__) # if defined(_WIN32) || defined(WIN32) || defined(WIN64) # define __WINDOWS__ # endif #endif /* !defined(__WINDOWS__) */ #if defined(__WINDOWS__) # if defined(_USRDLL) /* building shared libraries (.DLL) */ # if defined(OPAL_EXPORTS) # define OPAL_DECLSPEC __declspec(dllexport) # define OPAL_MODULE_DECLSPEC # else # define OPAL_DECLSPEC __declspec(dllimport) # if defined(OPAL_MODULE_EXPORTS) # define OPAL_MODULE_DECLSPEC __declspec(dllexport) # else # define OPAL_MODULE_DECLSPEC __declspec(dllimport) # endif /* defined(OPAL_MODULE_EXPORTS) */ # endif /* defined(OPAL_EXPORTS) */ # else /* building static library */ # if defined(OPAL_IMPORTS) # define OPAL_DECLSPEC __declspec(dllimport) # else # define OPAL_DECLSPEC # endif /* defined(OPAL_IMPORTS) */ # define OPAL_MODULE_DECLSPEC # endif /* defined(_USRDLL) */ # include "opal/win32/win_compat.h" #else # if OMPI_C_HAVE_VISIBILITY # define OPAL_DECLSPEC __opal_attribute_visibility__("default") # define OPAL_MODULE_DECLSPEC __opal_attribute_visibility__("default") # else # define OPAL_DECLSPEC # define OPAL_MODULE_DECLSPEC # endif #endif /* defined(__WINDOWS__) */ /* * 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 "opal_stdint.h" #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 #ifndef HAVE_PTRDIFF_T typedef OMPI_PTRDIFF_TYPE ptrdiff_t; #endif /* * 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(c_plusplus) || 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 # 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 unsigned 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 /* OMPI_USE_STDBOOL_H */ # endif /* OMPI_NEED_C_BOOL */ #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 and variable separator */ #ifdef __WINDOWS__ #define OPAL_PATH_SEP "\\" #define OPAL_ENV_SEP ';' #else #define OPAL_PATH_SEP "/" #define OPAL_ENV_SEP ':' #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... On other platforms * (like Windows) we fail to detect them correctly. */ #ifndef __WINDOWS__ #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 #endif /* WINDOWS */ /* * 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 /** * 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 #if !HAVE_DECL_AF_UNSPEC #define AF_UNSPEC AF_INET #endif #if !HAVE_DECL_PF_UNSPEC #define PF_UNSPEC PF_INET #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 #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 #endif /* OMPI_BUILDING */