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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* 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 (c) 2014 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/constants.h"
#include "opal/mca/allocator/allocator.h"
#include "opal/mca/allocator/bucket/allocator_bucket_alloc.h"
#include "opal/mca/base/mca_base_var.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, void *context);
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);
static int mca_allocator_num_buckets;
int mca_allocator_bucket_finalize(struct mca_allocator_base_module_t *allocator)
{
mca_allocator_bucket_t *bucket = (mca_allocator_bucket_t *) allocator;
mca_allocator_bucket_cleanup(allocator);
for (int i = 0; i < bucket->num_buckets; ++i) {
OBJ_DESTRUCT(&bucket->buckets[i].lock);
}
free(bucket->buckets);
free(allocator);
return (OPAL_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, void *context)
{
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_context = context;
return (mca_allocator_base_module_t *) allocator;
}
static int mca_allocator_bucket_module_register(void)
{
mca_allocator_num_buckets = 30;
(void) mca_base_component_var_register(&mca_allocator_bucket_component.allocator_version,
"num_buckets", NULL, MCA_BASE_VAR_TYPE_INT, NULL, 0,
MCA_BASE_VAR_FLAG_SETTABLE, OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_LOCAL, &mca_allocator_num_buckets);
return OPAL_SUCCESS;
}
int mca_allocator_bucket_module_open(void)
{
return OPAL_SUCCESS;
}
int mca_allocator_bucket_module_close(void)
{
return OPAL_SUCCESS;
}
void *mca_allocator_bucket_alloc_wrapper(struct mca_allocator_base_module_t *allocator, size_t size,
size_t align)
{
if (0 == align) {
return mca_allocator_bucket_alloc(allocator, size);
}
return mca_allocator_bucket_alloc_align(allocator, size, align);
}
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 */
OPAL_MAJOR_VERSION, OPAL_MINOR_VERSION, OPAL_RELEASE_VERSION,
mca_allocator_bucket_module_open, /* module open */
mca_allocator_bucket_module_close, /* module close */
NULL, mca_allocator_bucket_module_register},
{/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT},
mca_allocator_bucket_module_init};
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