diff options
Diffstat (limited to 'elf/dl-close.c')
-rw-r--r-- | elf/dl-close.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/elf/dl-close.c b/elf/dl-close.c index 70b2e6057e..49deb961b3 100644 --- a/elf/dl-close.c +++ b/elf/dl-close.c @@ -47,30 +47,39 @@ _dl_close (struct link_map *map) __libc_lock_lock (_dl_load_lock); /* Decrement the reference count. */ - if (--map->l_opencount > 0 || map->l_type != lt_loaded) + if (map->l_opencount > 1 || map->l_type != lt_loaded) { /* There are still references to this object. Do nothing more. */ + --map->l_opencount; __libc_lock_unlock (_dl_load_lock); return; } + list = map->l_searchlist; + + /* Call all termination functions at once. */ + for (i = 0; i < map->l_nsearchlist; ++i) + { + struct link_map *imap = list[i]; + if (imap->l_opencount == 1 && imap->l_type == lt_loaded) + { + if (imap->l_info[DT_FINI]) + /* Call its termination function. */ + (*(void (*) (void)) ((void *) imap->l_addr + + imap->l_info[DT_FINI]->d_un.d_ptr)) (); + } + } + /* Notify the debugger we are about to remove some loaded objects. */ _r_debug.r_state = RT_DELETE; _dl_debug_state (); - list = map->l_searchlist; - /* The search list contains a counted reference to each object it points to, the 0th elt being MAP itself. Decrement the reference counts on all the objects MAP depends on. */ - for (i = 1; i < map->l_nsearchlist; ++i) + for (i = 0; i < map->l_nsearchlist; ++i) --list[i]->l_opencount; - /* Clear the search list so it doesn't get freed while we are still - using it. We have cached it in LIST and will free it when - finished. */ - map->l_searchlist = NULL; - /* Check each element of the search list to see if all references to it are gone. */ for (i = 0; i < map->l_nsearchlist; ++i) @@ -84,11 +93,6 @@ _dl_close (struct link_map *map) const ElfW(Phdr) *first, *last; ElfW(Addr) mapstart, mapend; - if (imap->l_info[DT_FINI]) - /* Call its termination function. */ - (*(void (*) (void)) ((void *) imap->l_addr + - imap->l_info[DT_FINI]->d_un.d_ptr)) (); - if (imap->l_global) { /* This object is in the global scope list. Remove it. */ @@ -126,7 +130,7 @@ _dl_close (struct link_map *map) imap->l_prev->l_next = imap->l_next; if (imap->l_next) imap->l_next->l_prev = imap->l_prev; - if (imap->l_searchlist) + if (imap->l_searchlist && imap->l_searchlist != list) free (imap->l_searchlist); free (imap); } |