/usr/include/mpich2/primitives/opa_sun_atomic_ops.h is in libmpich2-dev 1.4.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
* (C) 2008 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#ifndef OPA_SUN_ATOMIC_OPS_H_INCLUDED
#define OPA_SUN_ATOMIC_OPS_H_INCLUDED
#include <atomic.h>
typedef struct { volatile uint_t v; } OPA_int_t;
typedef struct { void * volatile v; } OPA_ptr_t;
#define OPA_INT_T_INITIALIZER(val_) { (val_) }
#define OPA_PTR_T_INITIALIZER(val_) { (val_) }
static _opa_inline int OPA_load_int(_opa_const OPA_int_t *ptr)
{
return (int)ptr->v;
}
static _opa_inline void OPA_store_int(OPA_int_t *ptr, int val)
{
ptr->v = (uint)val;
}
static _opa_inline void *OPA_load_ptr(_opa_const OPA_ptr_t *ptr)
{
return ptr->v;
}
static _opa_inline void OPA_store_ptr(OPA_ptr_t *ptr, void *val)
{
ptr->v = val;
}
static _opa_inline void OPA_add_int(OPA_int_t *ptr, int val)
{
atomic_add_int(&ptr->v, val);
}
static _opa_inline void OPA_incr_int(OPA_int_t *ptr)
{
atomic_inc_uint(&ptr->v);
}
static _opa_inline void OPA_decr_int(OPA_int_t *ptr)
{
atomic_dec_uint(&ptr->v);
}
static _opa_inline int OPA_decr_and_test_int(OPA_int_t *ptr)
{
return atomic_dec_uint_nv(&ptr->v) == 0;
}
static _opa_inline int OPA_fetch_and_add_int(OPA_int_t *ptr, int val)
{
return (int)atomic_add_int_nv(&ptr->v, val) - val;
}
static _opa_inline int OPA_fetch_and_decr_int(OPA_int_t *ptr)
{
return (int)atomic_dec_uint_nv(&ptr->v) + 1;
}
static _opa_inline int OPA_fetch_and_incr_int(OPA_int_t *ptr)
{
return (int)atomic_inc_uint_nv(&ptr->v) - 1;
}
static _opa_inline void *OPA_cas_ptr(OPA_ptr_t *ptr, void *oldv, void *newv)
{
return atomic_cas_ptr(ptr, oldv, newv);
}
static _opa_inline int OPA_cas_int(OPA_int_t *ptr, int oldv, int newv)
{
return (int)atomic_cas_uint(&ptr->v, (uint_t)oldv, (uint_t)newv);
}
static _opa_inline void *OPA_swap_ptr(OPA_ptr_t *ptr, void *val)
{
return atomic_swap_ptr(ptr, val);
}
static _opa_inline int OPA_swap_int(OPA_int_t *ptr, int val)
{
return (int)atomic_swap_uint(&ptr->v, (uint_t) val);
}
#define OPA_write_barrier() membar_producer()
#define OPA_read_barrier() membar_consumer()
#define OPA_read_write_barrier() do { membar_consumer(); membar_producer(); } while (0)
#endif /* OPA_SUN_ATOMIC_OPS_H_INCLUDED */
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