mem.go

// Copyright (c) 2013 Alexander Beifuß <7beifuss@informatik.uni-hamburg.de>
// Johann Weging <johann@weging.net>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

package MPI

/*
#include <mpi.h>
*/
import "C"

import (
	"unsafe"
	// "reflect"
)

//Alloc_mem
//Allocates a specified memory segment.
//TODO: Do we need this???
func Alloc_mem(size Aint, info Info) (unsafe.Pointer, int) {

	var ptr unsafe.Pointer

	err := C.MPI_Alloc_mem(
		C.MPI_Aint(size),
		C.MPI_Info(info), ptr)

	return ptr, int(err)
}

//Free_mem
//Frees memory that has been allocated using Alloc_mem.
//TODO: refactoring - interface{} instead of unsafe.Pointer
func Free_mem(base unsafe.Pointer) int {

	return int(C.MPI_Free_mem(base))
}