X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/566c37eac6ea944bcbee63778f267c64677f4ee9..506c9d37d4f03855c37f075b5c88c6efe6958ccb:/src/xbt/mmalloc/mm_legacy.c diff --git a/src/xbt/mmalloc/mm_legacy.c b/src/xbt/mmalloc/mm_legacy.c index edff857ad7..7f898308cb 100644 --- a/src/xbt/mmalloc/mm_legacy.c +++ b/src/xbt/mmalloc/mm_legacy.c @@ -22,8 +22,6 @@ xbt_mheap_t __mmalloc_default_mdp = NULL; static xbt_mheap_t __mmalloc_current_heap = NULL; /* The heap we are currently using. */ -#include "xbt_modinter.h" - xbt_mheap_t mmalloc_get_current_heap(void) { return __mmalloc_current_heap; @@ -79,81 +77,6 @@ void free(void *p) } #endif -/* Make sure it works with md==NULL */ - -/* Safety gap from the heap's break address. - * Try to increase this first if you experience strange errors under - * valgrind. */ -#define HEAP_OFFSET (128UL<<20) - -xbt_mheap_t mmalloc_get_default_md(void) -{ - xbt_assert(__mmalloc_default_mdp); - return __mmalloc_default_mdp; -} - -static void mmalloc_fork_prepare(void) -{ - xbt_mheap_t mdp = NULL; - if ((mdp =__mmalloc_default_mdp)){ - while(mdp){ - LOCK(mdp); - if(mdp->fd >= 0){ - mdp->refcount++; - } - mdp = mdp->next_mdesc; - } - } -} - -static void mmalloc_fork_parent(void) -{ - xbt_mheap_t mdp = NULL; - if ((mdp =__mmalloc_default_mdp)){ - while(mdp){ - if(mdp->fd < 0) - UNLOCK(mdp); - mdp = mdp->next_mdesc; - } - } -} - -static void mmalloc_fork_child(void) -{ - struct mdesc* mdp = NULL; - if ((mdp =__mmalloc_default_mdp)){ - while(mdp){ - UNLOCK(mdp); - mdp = mdp->next_mdesc; - } - } -} - -/* Initialize the default malloc descriptor. */ -void *mmalloc_preinit(void) -{ - int res; - if (__mmalloc_default_mdp == NULL) { - unsigned long mask = ~((unsigned long)getpagesize() - 1); - void *addr = (void*)(((unsigned long)sbrk(0) + HEAP_OFFSET) & mask); - __mmalloc_default_mdp = mmalloc_attach(-1, addr); - /* Fixme? only the default mdp in protected against forks */ - res = xbt_os_thread_atfork(mmalloc_fork_prepare, - mmalloc_fork_parent, mmalloc_fork_child); - if (res != 0) - THROWF(system_error,0,"xbt_os_thread_atfork() failed: return value %d",res); - } - xbt_assert(__mmalloc_default_mdp != NULL); - - return __mmalloc_default_mdp; -} - -void mmalloc_postexit(void) -{ - /* Do not detach the default mdp or ldl won't be able to free the memory it allocated since we're in memory */ - // mmalloc_detach(__mmalloc_default_mdp); - mmalloc_detach_no_free(__mmalloc_default_mdp); -} int mmalloc_compare_heap(xbt_mheap_t mdp1, xbt_mheap_t mdp2, void *std_heap_addr){