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| author | Florian Weimer <fweimer@redhat.com> | 2016-04-13 14:07:58 -0500 |
|---|---|---|
| committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-04-13 14:07:58 -0500 |
| commit | c252c193e2583e4506b141d052df29a0987ac290 (patch) | |
| tree | 9b9d6a42bdec1e2822d627bc4d6c95b634fdbdba /stdlib/putenv.c | |
| parent | f664b663118642490b8776dcf4f30524a646dcbc (diff) | |
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malloc: Prevent arena free_list from turning cyclic [BZ #19048]
[BZ# 19048]
* malloc/malloc.c (struct malloc_state): Update comment. Add
attached_threads member.
(main_arena): Initialize attached_threads.
* malloc/arena.c (list_lock): Update comment.
(ptmalloc_lock_all, ptmalloc_unlock_all): Likewise.
(ptmalloc_unlock_all2): Reinitialize arena reference counts.
(deattach_arena): New function.
(_int_new_arena): Initialize arena reference count and deattach
replaced arena.
(get_free_list, reused_arena): Update reference count and deattach
replaced arena.
(arena_thread_freeres): Update arena reference count and only put
unreferenced arenas on the free list.
(cherry picked from commit a62719ba90e2fa1728890ae7dc8df9e32a622e7b)
Diffstat (limited to 'stdlib/putenv.c')
0 files changed, 0 insertions, 0 deletions