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/* Ergo, version 3.8.2, a program for linear scaling electronic structure
* calculations.
* Copyright (C) 2023 Elias Rudberg, Emanuel H. Rubensson, Pawel Salek,
* and Anastasia Kruchinina.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Primary academic reference:
* Ergo: An open-source program for linear-scaling electronic structure
* calculations,
* Elias Rudberg, Emanuel H. Rubensson, Pawel Salek, and Anastasia
* Kruchinina,
* SoftwareX 7, 107 (2018),
* <http://dx.doi.org/10.1016/j.softx.2018.03.005>
*
* For further information about Ergo, see <http://www.ergoscf.org>.
*/
/** @file memorymanag.cc
@brief Memory allocation/deallocation routines.
@author: Elias Rudberg <em>responsible</em>
*/
#include <pthread.h>
#include <stdlib.h>
#include "memorymanag.h"
#include "output.h"
static double globalNoOfBytesAllocated = 0;
static int globalMallocCount = 0;
static int globalFreeCount = 0;
static pthread_mutex_t globalMemStatLock = PTHREAD_MUTEX_INITIALIZER;
void*
ergo_malloc(size_t noOfBytes)
{
void* res = malloc(noOfBytes);
if(!res) {
double noOfBytesAsDouble = (double)noOfBytes;
double noOfMegaBytes = noOfBytesAsDouble / 1000000;
do_output(LOG_CAT_ERROR, LOG_AREA_MAIN,
"error in ergo_malloc, noOfBytes = %12.0f ( %7.2f MegaBytes )", noOfBytesAsDouble, noOfMegaBytes);
do_output_time(LOG_CAT_INFO, LOG_AREA_UNDEFINED, "ERROR. ergo_malloc() calling exit()");
exit(0);
}
pthread_mutex_lock(&globalMemStatLock);
globalMallocCount++;
globalNoOfBytesAllocated += noOfBytes;
pthread_mutex_unlock(&globalMemStatLock);
return res;
}
void
ergo_free(void* p)
{
free(p);
pthread_mutex_lock(&globalMemStatLock);
globalFreeCount++;
pthread_mutex_unlock(&globalMemStatLock);
}
void
report_memory_status()
{
do_output(LOG_CAT_INFO, LOG_AREA_MAIN,
"mallocCount - freeCount = %i",
globalMallocCount - globalFreeCount);
}
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