X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/611d822b02f836d7abe031cced6adc4281ef4356..84402e8e2ee2a2d0bef25fdceb0a263ed8b471f6:/src/xbt/mmalloc/mmalloc.c?ds=sidebyside diff --git a/src/xbt/mmalloc/mmalloc.c b/src/xbt/mmalloc/mmalloc.c index 5ab476e3c0..e3ba23c211 100644 --- a/src/xbt/mmalloc/mmalloc.c +++ b/src/xbt/mmalloc/mmalloc.c @@ -1,6 +1,6 @@ /* 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. */ @@ -47,10 +47,10 @@ static void *align(struct mdesc *mdp, size_t size) 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); @@ -120,7 +120,7 @@ static void *register_morecore(struct mdesc *mdp, size_t size) 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)); @@ -176,15 +176,11 @@ static void mmalloc_mark_used(xbt_mheap_t mdp, size_t block, size_t nblocks, siz } 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) @@ -201,8 +197,6 @@ 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); @@ -242,8 +236,6 @@ void *mmalloc_no_memset(xbt_mheap_t mdp, size_t size) /* 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++; @@ -274,8 +266,6 @@ void *mmalloc_no_memset(xbt_mheap_t mdp, size_t size) /* 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; @@ -353,7 +343,6 @@ void *mmalloc_no_memset(xbt_mheap_t mdp, size_t size) mdp -> heapstats.bytes_free -= blocks * BLOCKSIZE; } - //printf("(%s) Done mallocing. Result is %p\n",xbt_thread_self_name(),result);fflush(stdout); return (result); }