root/opal/mca/pmix/pmix4x/pmix/src/include/pmix_stdatomic.h

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   1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
   2 /*
   3  * Copyright (c) 2018      Los Alamos National Security, LLC. All rights
   4  *                         reserved.
   5  * Copyright (c) 2018      Intel, Inc.  All rights reserved.
   6  * $COPYRIGHT$
   7  *
   8  * Additional copyrights may follow
   9  *
  10  * $HEADER$
  11  */
  12 
  13 #if !defined(PMIX_STDATOMIC_H)
  14 #define PMIX_STDATOMIC_H
  15 
  16 #include "pmix_stdint.h"
  17 
  18 #if PMIX_ASSEMBLY_BUILTIN != PMIX_BUILTIN_C11
  19 
  20 typedef volatile int pmix_atomic_int_t;
  21 typedef volatile long pmix_atomic_long_t;
  22 
  23 typedef volatile int32_t pmix_atomic_int32_t;
  24 typedef volatile uint32_t pmix_atomic_uint32_t;
  25 typedef volatile int64_t pmix_atomic_int64_t;
  26 typedef volatile uint64_t pmix_atomic_uint64_t;
  27 
  28 typedef volatile size_t pmix_atomic_size_t;
  29 typedef volatile ssize_t pmix_atomic_ssize_t;
  30 typedef volatile intptr_t pmix_atomic_intptr_t;
  31 typedef volatile uintptr_t pmix_atomic_uintptr_t;
  32 
  33 #else /* PMIX_HAVE_C__ATOMIC */
  34 
  35 #include <stdatomic.h>
  36 
  37 typedef atomic_int pmix_atomic_int_t;
  38 typedef atomic_long pmix_atomic_long_t;
  39 
  40 typedef _Atomic int32_t pmix_atomic_int32_t;
  41 typedef _Atomic uint32_t pmix_atomic_uint32_t;
  42 typedef _Atomic int64_t pmix_atomic_int64_t;
  43 typedef _Atomic uint64_t pmix_atomic_uint64_t;
  44 
  45 typedef _Atomic size_t pmix_atomic_size_t;
  46 typedef _Atomic ssize_t pmix_atomic_ssize_t;
  47 typedef _Atomic intptr_t pmix_atomic_intptr_t;
  48 typedef _Atomic uintptr_t pmix_atomic_uintptr_t;
  49 
  50 #endif /* PMIX_HAVE_C__ATOMIC */
  51 
  52 #if HAVE_PMIX_INT128_T
  53 
  54 /* do not use C11 atomics for __int128 if they are not lock free */
  55 #if PMIX_HAVE_C11_CSWAP_INT128
  56 
  57 typedef _Atomic pmix_int128_t pmix_atomic_int128_t;
  58 
  59 #else
  60 
  61 typedef volatile pmix_int128_t pmix_atomic_int128_t;
  62 
  63 #endif
  64 
  65 #endif
  66 
  67 #endif /* !defined(PMIX_STDATOMIC_H) */
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