/* Allocate memory from the heap. */
-void *mmalloc(void *md, size_t size)
+void *mmalloc(xbt_mheap_t mdp, size_t size)
{
- struct mdesc *mdp;
void *result;
size_t block, blocks, lastblocks, start;
register size_t i;
if (size == 0)
size = 1;
- mdp = MD_TO_MDP(md);
// 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)) {
RESIDUAL(next->next, BLOCKSIZE) >> log;
}
- /* Update the statistics. */
- mdp->heapstats.chunks_used++;
- mdp->heapstats.bytes_used += 1 << log;
- mdp->heapstats.chunks_free--;
- mdp->heapstats.bytes_free -= 1 << log;
} else {
/* No free fragments of the desired size, so get a new block
and break it into fragments, returning the first. */
//printf("(%s) No free fragment...",xbt_thread_self_name());
- result = mmalloc(md, BLOCKSIZE);
+ result = mmalloc(mdp, BLOCKSIZE);
//printf("(%s) Fragment: %p...",xbt_thread_self_name(),result);
if (result == NULL) {
return (NULL);
mdp->heapinfo[block].busy.type = log;
mdp->heapinfo[block].busy.info.frag.nfree = i - 1;
mdp->heapinfo[block].busy.info.frag.first = i - 1;
-
- mdp->heapstats.chunks_free += (BLOCKSIZE >> log) - 1;
- mdp->heapstats.bytes_free += BLOCKSIZE - (1 << log);
- mdp->heapstats.bytes_used -= BLOCKSIZE - (1 << log);
}
} else {
/* Large allocation to receive one or more blocks.
block = mdp->heapinfo[0].free.prev;
mdp->heapinfo[block].free.size += (blocks - lastblocks);
- mdp->heapstats.bytes_free += (blocks - lastblocks) * BLOCKSIZE;
continue;
}
result = morecore(mdp, blocks * BLOCKSIZE);
mdp->heapinfo[block].busy.type = 0;
mdp->heapinfo[block].busy.info.block.size = blocks;
mdp->heapinfo[block].busy.info.block.busy_size = size;
- mdp->heapstats.chunks_used++;
- mdp->heapstats.bytes_used += blocks * BLOCKSIZE;
return (result);
}
}
= mdp->heapinfo[block].free.prev;
mdp->heapinfo[mdp->heapinfo[block].free.prev].free.next
= mdp->heapindex = mdp->heapinfo[block].free.next;
- mdp->heapstats.chunks_free--;
}
mdp->heapinfo[block].busy.type = 0;
mdp->heapinfo[block].busy.info.block.size = blocks;
mdp->heapinfo[block].busy.info.block.busy_size = size;
- mdp->heapstats.chunks_used++;
- mdp->heapstats.bytes_used += blocks * BLOCKSIZE;
- mdp->heapstats.bytes_free -= blocks * BLOCKSIZE;
}
//printf("(%s) Done mallocing. Result is %p\n",xbt_thread_self_name(),result);fflush(stdout);
return (result);