-#define _GNU_SOURCE
-#include "private.h"
+/* Copyright (c) 2008-2013 Da SimGrid Team. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "mc_private.h"
#include <stdlib.h>
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_memory_map, mc,
+ "Logging specific to algorithms for memory_map");
+
memory_map_t get_memory_map(void)
{
FILE *fp; /* File pointer to process's proc maps file */
char *line = NULL; /* Temporal storage for each line that is readed */
ssize_t read; /* Number of bytes readed */
- size_t n = 0; /* Amount of bytes to read by getline */
+ size_t n = 0; /* Amount of bytes to read by xbt_getline */
memory_map_t ret = NULL; /* The memory map to return */
/* The following variables are used during the parsing of the file "maps" */
- s_map_region memreg; /* temporal map region used for creating the map */
+ s_map_region_t memreg; /* temporal map region used for creating the map */
char *lfields[6], *tok, *endptr;
int i;
/* to be returned. */
fp = fopen("/proc/self/maps", "r");
+ if(fp == NULL)
+ perror("fopen failed");
+
xbt_assert(fp,
"Cannot open /proc/self/maps to investigate the memory map of the process. Please report this bug.");
+ setbuf(fp, NULL);
+
ret = xbt_new0(s_memory_map_t, 1);
/* Read one line at the time, parse it and add it to the memory map to be returned */
- while ((read = getline(&line, &n, fp)) != -1) {
+ while ((read = xbt_getline(&line, &n, fp)) != -1) {
+
+ //fprintf(stderr,"%s", line);
/* Wipeout the new line character */
line[read - 1] = '\0';
xbt_realloc(ret->regions, sizeof(memreg) * (ret->mapsize + 1));
memcpy(ret->regions + ret->mapsize, &memreg, sizeof(memreg));
ret->mapsize++;
+
}
free(line);
+ fclose(fp);
+
return ret;
}
+
+void free_memory_map(memory_map_t map){
+
+ int i;
+ for(i=0; i< map->mapsize; i++){
+ xbt_free(map->regions[i].pathname);
+ }
+ xbt_free(map);
+}
