lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-12-24 17:51:17 +03:00
Code Activity

Handle unloading of DSO with a unique symbol definition.

Browse Source
This commit is contained in:
Ulrich Drepper
2009-07-23 07:07:53 -07:00
parent 0122f28eb9
commit 802fe9a1ca
4 changed files with 60 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
elf/dl-lookup.c
View File

@@ -312,7 +312,7 @@ do_lookup_x (const char *undef_name, uint_fast32_t new_hash,
definition we have to use it. */
void enter (struct unique_sym *table, size_t size,
unsigned int hash, const char *name,
const ElfW(Sym) *sym, const struct link_map *map)
const ElfW(Sym) *sym, struct link_map *map)
{
size_t idx = hash % size;
size_t hash2 = 1 + hash % (size - 2);
@@ -332,6 +332,12 @@ do_lookup_x (const char *undef_name, uint_fast32_t new_hash,
table[idx].sym = sym;
table[idx].map = map;
}
if (table[idx].map->l_type == lt_loaded)
/* Make sure we don't unload this object by
artificially increason the open count. */
++table[idx].map->l_direct_opencount;
return;
}
@@ -410,7 +416,8 @@ do_lookup_x (const char *undef_name, uint_fast32_t new_hash,
tab->free = free;
}
enter (entries, size, new_hash, strtab + sym->st_name, sym, map);
enter (entries, size, new_hash, strtab + sym->st_name, sym,
(struct link_map *) map);
++tab->n_elements;
__rtld_lock_unlock_recursive (tab->lock);