/* Free a block of memory allocated by `mmalloc'. */
-/* Copyright (c) 2010-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2010-2023. The 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. */
Heavily modified Mar 1992 by Fred Fish. (fnf@cygnus.com) */
#include "mmprivate.h"
-#include "xbt/ex.h"
#include "mc/mc.h"
/* Return memory to the heap.
{
size_t frag_nb;
size_t i;
- int it;
+ size_t it;
if (ptr == NULL)
return;
size_t block = BLOCK(ptr);
if ((char *) ptr < (char *) mdp->heapbase || block > mdp->heapsize) {
+ if ((char*)ptr <= (char*)mmalloc_preinit_buffer + mmalloc_preinit_buffer_size &&
+ (char*)ptr >= (char*)mmalloc_preinit_buffer)
+ /* This points to the static buffer for fake mallocs done by dlsym before mmalloc initialization, ignore it */
+ return;
+
fprintf(stderr,"Ouch, this pointer is not mine, I refuse to free it. Give me valid pointers, or give me death!!\n");
abort();
}
switch (type) {
case MMALLOC_TYPE_HEAPINFO:
- UNLOCK(mdp);
- THROWF(0, "Asked to free a fragment in a heapinfo block. I'm confused.\n");
+ fprintf(stderr, "Asked to free a fragment in a heapinfo block. I'm confused.\n");
+ abort();
break;
case MMALLOC_TYPE_FREE: /* Already free */
- UNLOCK(mdp);
- THROWF(0, "Asked to free a fragment in a block that is already free. I'm puzzled.\n");
+ fprintf(stderr, "Asked to free a fragment in a block that is already free. I'm puzzled.\n");
+ abort();
break;
case MMALLOC_TYPE_UNFRAGMENTED:
/* Mark all my ex-blocks as free */
for (it=0; it<mdp->heapinfo[block].busy_block.size; it++) {
if (mdp->heapinfo[block+it].type < 0) {
- fprintf(stderr,"Internal Error: Asked to free a block already marked as free (block=%lu it=%d type=%lu). Please report this bug.\n",
- (unsigned long)block,it,(unsigned long)mdp->heapinfo[block].type);
+ fprintf(stderr,
+ "Internal Error: Asked to free a block already marked as free (block=%zu it=%zu type=%d). "
+ "Please report this bug.\n",
+ block, it, mdp->heapinfo[block].type);
abort();
}
mdp->heapinfo[block+it].type = MMALLOC_TYPE_FREE;
/* Mark all my ex-blocks as free */
for (it=0; it<mdp->heapinfo[block].free_block.size; it++) {
if (mdp->heapinfo[block+it].type <0) {
- fprintf(stderr,"Internal error: Asked to free a block already marked as free (block=%lu it=%d/%lu type=%lu). Please report this bug.\n",
- (unsigned long)block,it,(unsigned long)mdp->heapinfo[block].free_block.size,(unsigned long)mdp->heapinfo[block].type);
+ fprintf(stderr,
+ "Internal error: Asked to free a block already marked as free (block=%zu it=%zu/%zu type=%d). "
+ "Please report this bug.\n",
+ block, it, mdp->heapinfo[block].free_block.size, mdp->heapinfo[block].type);
abort();
}
mdp->heapinfo[block+it].type = MMALLOC_TYPE_FREE;
default:
if (type < 0) {
- fprintf(stderr, "Unkown mmalloc block type.\n");
+ fprintf(stderr, "Unknown mmalloc block type.\n");
abort();
}
frag_nb = RESIDUAL(ptr, BLOCKSIZE) >> type;
if( mdp->heapinfo[block].busy_frag.frag_size[frag_nb] == -1){
- UNLOCK(mdp);
- THROWF(0, "Asked to free a fragment that is already free. I'm puzzled\n");
+ fprintf(stderr, "Asked to free a fragment that is already free. I'm puzzled\n");
+ abort();
}
if (MC_is_active() && mdp->heapinfo[block].busy_frag.ignore[frag_nb] > 0)
mdp -> heapstats.chunks_free -= BLOCKSIZE >> type;
mdp -> heapstats.bytes_free -= BLOCKSIZE;
- mfree((void *) mdp, (void *) ADDRESS(block));
+ mfree(mdp, ADDRESS(block));
} else if (mdp->heapinfo[block].busy_frag.nfree != 0) {
/* If some fragments of this block are free, you know what? I'm already happy. */
++mdp->heapinfo[block].busy_frag.nfree;