|
Packit Service |
724aca |
/*
|
|
Packit Service |
724aca |
* Copyright (c) 2018 - 2019 Intel Corporation
|
|
Packit Service |
724aca |
*
|
|
Packit Service |
724aca |
* Redistribution and use in source and binary forms, with or without
|
|
Packit Service |
724aca |
* modification, are permitted provided that the following conditions
|
|
Packit Service |
724aca |
* are met:
|
|
Packit Service |
724aca |
*
|
|
Packit Service |
724aca |
* * Redistributions of source code must retain the above copyright
|
|
Packit Service |
724aca |
* notice, this list of conditions and the following disclaimer.
|
|
Packit Service |
724aca |
*
|
|
Packit Service |
724aca |
* * Redistributions in binary form must reproduce the above copyright
|
|
Packit Service |
724aca |
* notice, this list of conditions and the following disclaimer in
|
|
Packit Service |
724aca |
* the documentation and/or other materials provided with the
|
|
Packit Service |
724aca |
* distribution.
|
|
Packit Service |
724aca |
*
|
|
Packit Service |
724aca |
* * Neither the name of Intel Corporation nor the names of its
|
|
Packit Service |
724aca |
* contributors may be used to endorse or promote products derived
|
|
Packit Service |
724aca |
* from this software without specific prior written permission.
|
|
Packit Service |
724aca |
*
|
|
Packit Service |
724aca |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
Packit Service |
724aca |
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
Packit Service |
724aca |
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
Packit Service |
724aca |
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
Packit Service |
724aca |
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
Packit Service |
724aca |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
Packit Service |
724aca |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
Packit Service |
724aca |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
Packit Service |
724aca |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
Packit Service |
724aca |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY LOG OF THE USE
|
|
Packit Service |
724aca |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
Packit Service |
724aca |
*/
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
#include <memkind.h>
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
#include <limits.h>
|
|
Packit Service |
724aca |
#include <stdio.h>
|
|
Packit Service |
724aca |
#include <stdlib.h>
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
static char path[PATH_MAX]="/tmp/";
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
static void print_err_message(int err)
|
|
Packit Service |
724aca |
{
|
|
Packit Service |
724aca |
char error_message[MEMKIND_ERROR_MESSAGE_SIZE];
|
|
Packit Service |
724aca |
memkind_error_message(err, error_message, MEMKIND_ERROR_MESSAGE_SIZE);
|
|
Packit Service |
724aca |
fprintf(stderr, "%s\n", error_message);
|
|
Packit Service |
724aca |
}
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
int main(int argc, char *argv[])
|
|
Packit Service |
724aca |
{
|
|
Packit Service |
724aca |
struct memkind *pmem_kind_unlimited = NULL;
|
|
Packit Service |
724aca |
int err = 0;
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
if (argc > 2) {
|
|
Packit Service |
724aca |
fprintf(stderr, "Usage: %s [pmem_kind_dir_path]\n", argv[0]);
|
|
Packit Service |
724aca |
return 1;
|
|
Packit Service |
724aca |
} else if (argc == 2 && (realpath(argv[1], path) == NULL)) {
|
|
Packit Service |
724aca |
fprintf(stderr, "Incorrect pmem_kind_dir_path %s\n", argv[1]);
|
|
Packit Service |
724aca |
return 1;
|
|
Packit Service |
724aca |
}
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
fprintf(stdout,
|
|
Packit Service |
724aca |
"This example shows how to allocate memory with unlimited kind size."
|
|
Packit Service |
724aca |
"\nPMEM kind directory: %s\n", path);
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
// Create PMEM partition with unlimited size
|
|
Packit Service |
724aca |
err = memkind_create_pmem(path, 0, &pmem_kind_unlimited);
|
|
Packit Service |
724aca |
if (err) {
|
|
Packit Service |
724aca |
print_err_message(err);
|
|
Packit Service |
724aca |
return 1;
|
|
Packit Service |
724aca |
}
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
char *pmem_str10 = NULL;
|
|
Packit Service |
724aca |
char *pmem_str11 = NULL;
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
// Huge allocation
|
|
Packit Service |
724aca |
pmem_str10 = (char *)memkind_malloc(pmem_kind_unlimited, 32 * 1024 * 1024);
|
|
Packit Service |
724aca |
if (pmem_str10 == NULL) {
|
|
Packit Service |
724aca |
fprintf(stderr, "Unable to allocate pmem string (pmem_str10).\n");
|
|
Packit Service |
724aca |
return 1;
|
|
Packit Service |
724aca |
}
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
// Another huge allocation, kind size is only limited by OS resources
|
|
Packit Service |
724aca |
pmem_str11 = (char *)memkind_malloc(pmem_kind_unlimited, 32 * 1024 * 1024);
|
|
Packit Service |
724aca |
if (pmem_str11 == NULL) {
|
|
Packit Service |
724aca |
fprintf(stderr, "Unable to allocate pmem string (pmem_str11).\n");
|
|
Packit Service |
724aca |
return 1;
|
|
Packit Service |
724aca |
}
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
memkind_free(pmem_kind_unlimited, pmem_str10);
|
|
Packit Service |
724aca |
memkind_free(pmem_kind_unlimited, pmem_str11);
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
err = memkind_destroy_kind(pmem_kind_unlimited);
|
|
Packit Service |
724aca |
if (err) {
|
|
Packit Service |
724aca |
print_err_message(err);
|
|
Packit Service |
724aca |
return 1;
|
|
Packit Service |
724aca |
}
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
fprintf(stdout, "Memory was successfully allocated and released.\n");
|
|
Packit Service |
724aca |
|
|
Packit Service |
724aca |
return 0;
|
|
Packit Service |
724aca |
}
|