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/*
* @copyright
* Copyright (C) 2009-2013, Intel Corporation
* All rights reserved.
*
* @copyright
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* @copyright
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef INCLUDED_CILK_HYPEROBJECT_BASE
#define INCLUDED_CILK_HYPEROBJECT_BASE
#ifdef __cplusplus
# include <cstdlib>
# include <cstddef>
#else
# include <stdlib.h>
# include <stddef.h>
#endif
#include <cilk/common.h>
#if defined _WIN32 || defined _WIN64
# if !defined CILK_STUB && !defined IN_CILK_RUNTIME
/* bring in the Cilk library, which has definitions for some of these
* functions. */
# pragma comment(lib, "cilkrts")
# endif
#endif
/* The __CILKRTS_STRAND_PURE attribute tells the compiler that the value
* returned by 'func' for a given argument to 'func' will remain valid until
* the next strand boundary (spawn or sync) or until the next call to a
* function with the __CILKRTS_STRAND_STALE attribute using the same function
* argument.
*/
#if 0 && defined __cilk && (defined __GNUC__ && !defined _WIN32) && defined __cilkartsrev
# define __CILKRTS_STRAND_PURE(func) \
func __attribute__((__cilk_hyper__("lookup")))
# define __CILKRTS_STRAND_STALE(func) \
func __attribute__((__cilk_hyper__("flush")))
#else
# define __CILKRTS_STRAND_PURE(func) func
# define __CILKRTS_STRAND_STALE(func) func
#endif
/*****************************************************************************
* C runtime interface to the hyperobject subsystem
*****************************************************************************/
__CILKRTS_BEGIN_EXTERN_C
/* Callback function signatures. The 'r' argument always points to the
* reducer itself and is commonly ignored. */
typedef void (*cilk_c_reducer_reduce_fn_t)(void* r, void* lhs, void* rhs);
typedef void (*cilk_c_reducer_identity_fn_t)(void* r, void* view);
typedef void (*cilk_c_reducer_destroy_fn_t)(void* r, void* view);
typedef void* (*cilk_c_reducer_allocate_fn_t)(void* r, __STDNS size_t bytes);
typedef void (*cilk_c_reducer_deallocate_fn_t)(void* r, void* view);
/** Representation of the monoid */
typedef struct cilk_c_monoid {
cilk_c_reducer_reduce_fn_t reduce_fn;
cilk_c_reducer_identity_fn_t identity_fn;
cilk_c_reducer_destroy_fn_t destroy_fn;
cilk_c_reducer_allocate_fn_t allocate_fn;
cilk_c_reducer_deallocate_fn_t deallocate_fn;
} cilk_c_monoid;
/** Base of the hyperobject */
typedef struct __cilkrts_hyperobject_base
{
cilk_c_monoid __c_monoid;
unsigned long long __flags;
__STDNS ptrdiff_t __view_offset; /* offset (in bytes) to leftmost view */
__STDNS size_t __view_size; /* Size of each view */
} __cilkrts_hyperobject_base;
#ifndef CILK_STUB
/* Library functions. */
CILK_EXPORT
void __cilkrts_hyper_create(__cilkrts_hyperobject_base *key);
CILK_EXPORT void __CILKRTS_STRAND_STALE(
__cilkrts_hyper_destroy(__cilkrts_hyperobject_base *key));
CILK_EXPORT void* __CILKRTS_STRAND_PURE(
__cilkrts_hyper_lookup(__cilkrts_hyperobject_base *key));
CILK_EXPORT
void* __cilkrts_hyperobject_alloc(void* ignore, __STDNS size_t bytes);
CILK_EXPORT
void __cilkrts_hyperobject_dealloc(void* ignore, void* view);
/* No-op destroy function */
CILK_EXPORT
void __cilkrts_hyperobject_noop_destroy(void* ignore, void* ignore2);
#else // CILK_STUB
// Programs compiled with CILK_STUB are not linked with the Cilk runtime
// library, so they should not have external references to cilkrts functions.
// Furthermore, they don't need the hyperobject functionality, so the
// functions can be stubbed.
#define __cilkrts_hyperobject_create __cilkrts_hyperobject_create__stub
__CILKRTS_INLINE
void __cilkrts_hyper_create(__cilkrts_hyperobject_base *key)
{}
#define __cilkrts_hyperobject_destroy __cilkrts_hyperobject_destroy__stub
__CILKRTS_INLINE
void __cilkrts_hyper_destroy(__cilkrts_hyperobject_base *key)
{}
#define __cilkrts_hyperobject_lookup __cilkrts_hyperobject_lookup__stub
__CILKRTS_INLINE
void* __cilkrts_hyper_lookup(__cilkrts_hyperobject_base *key)
{ return (char*)(key) + key->__view_offset; }
// Pointers to these functions are stored into monoids, so real functions
// are needed.
#define __cilkrts_hyperobject_alloc __cilkrts_hyperobject_alloc__stub
__CILKRTS_INLINE
void* __cilkrts_hyperobject_alloc(void* ignore, __STDNS size_t bytes)
{ assert(0); return __STDNS malloc(bytes); }
#define __cilkrts_hyperobject_dealloc __cilkrts_hyperobject_dealloc__stub
__CILKRTS_INLINE
void __cilkrts_hyperobject_dealloc(void* ignore, void* view)
{ assert(0); __STDNS free(view); }
#define __cilkrts_hyperobject_noop_destroy \
__cilkrts_hyperobject_noop_destroy__stub
__CILKRTS_INLINE
void __cilkrts_hyperobject_noop_destroy(void* ignore, void* ignore2)
{}
#endif
__CILKRTS_END_EXTERN_C
#endif /* INCLUDED_CILK_HYPEROBJECT_BASE */
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