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/*
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 * Copyright (c) 1997-1999 Massachusetts Institute of Technology
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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/*
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 * malloc.c -- memory allocation related functions
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 */
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/* $Id: malloc.c,v 1.3 2005-01-08 15:00:28 pj Exp $ */
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#ifdef FFTW_USING_CILK
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#include <cilk.h>
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#include <cilk-compat.h>
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#endif
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#include <fftw-int.h>
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//#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_MALLOC_H
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//#include <ports/malloc.h>
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#endif
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#include <kernel/kern.h>
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#define EXIT_FAILURE 1
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fftw_malloc_type_function fftw_malloc_hook = 0;
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fftw_free_type_function fftw_free_hook = 0;
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fftw_die_type_function fftw_die_hook = 0;
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/**********************************************************
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 *   DEBUGGING CODE
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 **********************************************************
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 gettato via!!!
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*/
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/**********************************************************
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 *   NON DEBUGGING CODE
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 **********************************************************/
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/* production version, no hacks */
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void *fftw_malloc(size_t n)
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{
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     void *p;
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     if (fftw_malloc_hook)
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          return fftw_malloc_hook(n);
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     if (n == 0)
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          n = 1;
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     p = malloc(n);
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     if (!p)
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          fftw_die("fftw_malloc: out of memory\n");
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     return p;
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}
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void fftw_free(void *p)
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{
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     if (p) {
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          if (fftw_free_hook) {
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               fftw_free_hook(p);
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               return;
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          }
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          free(p);
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     }
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}
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/* die when fatal errors occur */
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void fftw_die(const char *s)
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{
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     if (fftw_die_hook)
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          fftw_die_hook(s);
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//     fflush(stdout);
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//     fprintf(stderr, "fftw: %s", s);
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     printk(KERN_ERR "fftw: %s", s);
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     exit(EXIT_FAILURE);
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}
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/* check for memory leaks when debugging */
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void fftw_check_memory_leaks(void)
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{
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     extern int fftw_node_cnt, fftw_plan_cnt, fftw_twiddle_size;
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#ifdef FFTW_DEBUG
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     if (fftw_malloc_cnt || fftw_malloc_total ||
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         fftw_node_cnt || fftw_plan_cnt || fftw_twiddle_size) {
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//        fflush(stdout);
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//        fprintf(stderr,
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          kern_printf(
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                  "MEMORY LEAK!!!\n"
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                  "fftw_malloc = %d"
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                  " node=%d plan=%d twiddle=%d\n"
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                  "fftw_malloc_total = %d\n",
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                  fftw_malloc_cnt,
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                  fftw_node_cnt, fftw_plan_cnt, fftw_twiddle_size,
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                  fftw_malloc_total);
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          exit(EXIT_FAILURE);
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     }
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#else
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     if (fftw_node_cnt || fftw_plan_cnt || fftw_twiddle_size) {
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//        fflush(stdout);
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//        fprintf(stderr,
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          kern_printf(
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                  "MEMORY LEAK!!!\n"
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                  " node=%d plan=%d twiddle=%d\n",
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                  fftw_node_cnt, fftw_plan_cnt, fftw_twiddle_size);
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          exit(EXIT_FAILURE);
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     }
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#endif
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}
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void fftw_print_max_memory_usage(void)
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{
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#ifdef FFTW_DEBUG
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     printf("\nMaximum number of blocks allocated = %d\n"
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            "Maximum number of bytes allocated  = %0.3f kB\n",
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            fftw_malloc_cnt_max, fftw_malloc_max / 1024.0);
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#endif
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}