fe6528b0d5
This commit disables the use of both the builtin and hand-written atomics if proper C11 atomic support is detected. This is the first step towards requiring the availability of C11 atomics for the C compiler used to build Open MPI. Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
130 строки
3.1 KiB
C
130 строки
3.1 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2007 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) 2004-2005 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) 2015 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2016 Research Organization for Information Science
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* and Technology (RIST). 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 includes the C99 stdint.h file if available, and otherwise
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* defines fixed-width types according to the SIZEOF information
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* gathered by configure.
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*/
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#ifndef OPAL_STDINT_H
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#define OPAL_STDINT_H 1
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#include "opal_config.h"
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/*
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* Include what we can and define what is missing.
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*/
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#include <limits.h>
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#include <stdint.h>
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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/* 128-bit */
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#ifdef HAVE_INT128_T
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typedef int128_t opal_int128_t;
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typedef uint128_t opal_uint128_t;
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#define HAVE_OPAL_INT128_T 1
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#elif defined(HAVE___INT128)
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/* suppress warning about __int128 type */
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#pragma GCC diagnostic push
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/* Clang won't quietly accept "-pedantic", but GCC versions older than ~4.8
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* won't quietly accept "-Wpedanic". The whole "#pragma GCC diagnostic ..."
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* facility only was added to GCC as of version 4.6. */
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#if defined(__clang__) || (defined(__GNUC__) && __GNUC__ >= 6)
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#pragma GCC diagnostic ignored "-Wpedantic"
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#else
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#pragma GCC diagnostic ignored "-pedantic"
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#endif
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typedef __int128 opal_int128_t;
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typedef unsigned __int128 opal_uint128_t;
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#pragma GCC diagnostic pop
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#define HAVE_OPAL_INT128_T 1
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#else
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#define HAVE_OPAL_INT128_T 0
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#endif
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/* Pointers */
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#if SIZEOF_VOID_P == SIZEOF_INT
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#ifndef HAVE_INTPTR_T
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typedef signed int intptr_t;
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#endif
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#ifndef HAVE_UINTPTR_T
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typedef unsigned int uintptr_t;
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#endif
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#elif SIZEOF_VOID_P == SIZEOF_LONG
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#ifndef HAVE_INTPTR_T
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typedef signed long intptr_t;
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#endif
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#ifndef HAVE_UINTPTR_T
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typedef unsigned long uintptr_t;
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#endif
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#elif HAVE_LONG_LONG && SIZEOF_VOID_P == SIZEOF_LONG_LONG
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#ifndef HAVE_INTPTR_T
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typedef signed long long intptr_t;
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#endif
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#ifndef HAVE_UINTPTR_T
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typedef unsigned long long uintptr_t;
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#endif
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#else
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#error Failed to define pointer-sized integer types
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#endif
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/* inttypes.h printf specifiers */
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# include <inttypes.h>
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#ifndef PRIsize_t
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# if defined(ACCEPT_C99)
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# define PRIsize_t "zu"
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# elif SIZEOF_SIZE_T == SIZEOF_LONG
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# define PRIsize_t "lu"
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# elif SIZEOF_SIZE_T == SIZEOF_LONG_LONG
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# define PRIsize_t "llu"
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# else
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# define PRIsize_t "u"
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# endif
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#endif
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#endif /* OPAL_STDINT_H */
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