/* Memory allocator `malloc'. */
-/* Copyright (c) 2010-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2010-2020. 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. */
return (result);
}
-/** Initialise heapinfo about the heapinfo pages :)
+/** Initialize heapinfo about the heapinfo pages :)
*
*/
-static void initialize_heapinfo_heapinfo(xbt_mheap_t mdp)
+static void initialize_heapinfo_heapinfo(const s_xbt_mheap_t* mdp)
{
// Update heapinfo about the heapinfo pages (!):
xbt_assert((uintptr_t) mdp->heapinfo % BLOCKSIZE == 0);
malloc_info* newinfo = (malloc_info*)align(mdp, newsize * sizeof(malloc_info));
memcpy(newinfo, oldinfo, mdp->heapsize * sizeof(malloc_info));
- /* Initialise the new blockinfo : */
+ /* Initialize the new blockinfo : */
memset((char*) newinfo + mdp->heapsize * sizeof(malloc_info), 0,
(newsize - mdp->heapsize)* sizeof(malloc_info));
}
mdp->heapinfo[block].busy_block.size = nblocks;
mdp->heapinfo[block].busy_block.busy_size = requested_size;
- // mdp->heapinfo[block].busy_block.bt_size =
- // xbt_backtrace_no_malloc(mdp->heapinfo[block].busy_block.bt, XBT_BACKTRACE_SIZE);
- // mdp->heapinfo[block].busy_block.bt_size =
- // xbt_libunwind_backtrace(mdp->heapinfo[block].busy_block.bt, XBT_BACKTRACE_SIZE);
mdp->heapstats.chunks_used++;
mdp->heapstats.bytes_used += nblocks * BLOCKSIZE;
}
-/* Spliting mmalloc this way is mandated by a trick in mrealloc, that gives
+/* Splitting mmalloc this way is mandated by a trick in mrealloc, that gives
back the memory of big blocks to the system before reallocating them: we don't
want to loose the beginning of the area when this happens */
void *mmalloc_no_memset(xbt_mheap_t mdp, size_t size)
if (size < SMALLEST_POSSIBLE_MALLOC)
size = SMALLEST_POSSIBLE_MALLOC;
- // printf("(%s) Mallocing %d bytes on %p (default: %p)...",xbt_thread_self_name(),size,mdp,__mmalloc_default_mdp);fflush(stdout);
-
if (!(mdp->flags & MMALLOC_INITIALIZED))
initialize(mdp);
/* Update our metadata about this fragment */
candidate_info->busy_frag.frag_size[candidate_frag] = requested_size;
candidate_info->busy_frag.ignore[candidate_frag] = 0;
- //xbt_backtrace_no_malloc(candidate_info->busy_frag.bt[candidate_frag],XBT_BACKTRACE_SIZE);
- //xbt_libunwind_backtrace(candidate_info->busy_frag.bt[candidate_frag],XBT_BACKTRACE_SIZE);
/* Update the statistics. */
mdp -> heapstats.chunks_used++;
result = mmalloc(mdp, BLOCKSIZE); // does not return NULL
block = BLOCK(result);
- mdp->heapinfo[block].type = log;
+ mdp->heapinfo[block].type = (int)log;
/* Link all fragments but the first as free, and add the block to the swag of blocks containing free frags */
size_t i;
for (i = 1; i < (size_t) (BLOCKSIZE >> log); ++i) {
/* mark the fragment returned as busy */
mdp->heapinfo[block].busy_frag.frag_size[0] = requested_size;
mdp->heapinfo[block].busy_frag.ignore[0] = 0;
- //xbt_backtrace_no_malloc(mdp->heapinfo[block].busy_frag.bt[0],XBT_BACKTRACE_SIZE);
- //xbt_libunwind_backtrace(mdp->heapinfo[block].busy_frag.bt[0],XBT_BACKTRACE_SIZE);
/* update stats */
mdp -> heapstats.chunks_free += (BLOCKSIZE >> log) - 1;
block = MALLOC_SEARCH_START;
while (mdp->heapinfo[block].free_block.size < blocks) {
if (mdp->heapinfo[block].type >=0) { // Don't trust xbt_die and friends in malloc-level library, you fool!
- fprintf(stderr,"Internal error: found a free block not marked as such (block=%lu type=%lu). Please report this bug.\n",(unsigned long)block,(unsigned long)mdp->heapinfo[block].type);
+ fprintf(stderr,
+ "Internal error: found a free block not marked as such (block=%zu type=%d). Please report this bug.\n",
+ block, mdp->heapinfo[block].type);
abort();
}
mdp -> heapstats.bytes_free -= blocks * BLOCKSIZE;
}
- //printf("(%s) Done mallocing. Result is %p\n",xbt_thread_self_name(),result);fflush(stdout);
return (result);
}