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/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2008 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mca/allocator/allocator.h"
#include "ompi/constants.h"
#include "opal/mca/base/mca_base_param.h"
#include "ompi/mca/allocator/bucket/allocator_bucket_alloc.h"
#include "ompi/mca/mpool/mpool.h"
struct mca_allocator_base_module_t* mca_allocator_bucket_module_init(
bool enable_mpi_threads,
mca_allocator_base_component_segment_alloc_fn_t segment_alloc,
mca_allocator_base_component_segment_free_fn_t segment_free,
struct mca_mpool_base_module_t* mpool
);
int mca_allocator_bucket_module_open(void);
int mca_allocator_bucket_module_close(void);
void * mca_allocator_bucket_alloc_wrapper(
struct mca_allocator_base_module_t* allocator,
size_t size, size_t align,
mca_mpool_base_registration_t** registration);
static int mca_allocator_num_buckets;
int mca_allocator_bucket_finalize(struct mca_allocator_base_module_t* allocator)
{
mca_allocator_bucket_cleanup(allocator);
free(allocator);
return(OMPI_SUCCESS);
}
struct mca_allocator_base_module_t* mca_allocator_bucket_module_init(
bool enable_mpi_threads,
mca_allocator_base_component_segment_alloc_fn_t segment_alloc,
mca_allocator_base_component_segment_free_fn_t segment_free,
struct mca_mpool_base_module_t* mpool)
{
size_t alloc_size = sizeof(mca_allocator_bucket_t);
mca_allocator_bucket_t * retval;
mca_allocator_bucket_t * allocator = (mca_allocator_bucket_t *) malloc(alloc_size);
if(NULL == allocator) {
return(NULL);
}
retval = mca_allocator_bucket_init((mca_allocator_base_module_t *) allocator,
mca_allocator_num_buckets,
segment_alloc,
segment_free);
if(NULL == retval) {
free(allocator);
return(NULL);
}
allocator->super.alc_alloc = mca_allocator_bucket_alloc_wrapper;
allocator->super.alc_realloc = mca_allocator_bucket_realloc;
allocator->super.alc_free = mca_allocator_bucket_free;
allocator->super.alc_compact = mca_allocator_bucket_cleanup;
allocator->super.alc_finalize = mca_allocator_bucket_finalize;
allocator->super.alc_mpool = mpool;
return((mca_allocator_base_module_t *) allocator);
}
int mca_allocator_bucket_module_open(void) {
int id = mca_base_param_register_int("allocator","bucket","num_buckets", NULL,30);
mca_base_param_lookup_int(id,&mca_allocator_num_buckets);
return(OMPI_SUCCESS);
}
int mca_allocator_bucket_module_close(void) {
return(OMPI_SUCCESS);
}
void * mca_allocator_bucket_alloc_wrapper(
struct mca_allocator_base_module_t* allocator,
size_t size,
size_t align,
mca_mpool_base_registration_t** registration)
{
if(0 == align){
return(mca_allocator_bucket_alloc(allocator, size, registration));
}
return(mca_allocator_bucket_alloc_align(allocator, size, align, registration));
}
mca_allocator_base_component_t mca_allocator_bucket_component = {
/* First, the mca_base_module_t struct containing meta information
about the module itself */
{
MCA_ALLOCATOR_BASE_VERSION_2_0_0,
"bucket", /* MCA module name */
OMPI_MAJOR_VERSION,
OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION,
mca_allocator_bucket_module_open, /* module open */
mca_allocator_bucket_module_close /* module close */
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
mca_allocator_bucket_module_init
};
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