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| author | Ulrich Drepper <drepper@redhat.com> | 2003-07-01 08:31:38 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-07-01 08:31:38 +0000 |
| commit | b5d5b67be3e624efa7f44df4375dfdfffa1f97cb (patch) | |
| tree | c3ba187098d3aa88a83200ab4a5c4c384abc9124 /malloc/arena.c | |
| parent | 96c814d3d866eff5a86599cbe567ca167189c7ea (diff) | |
| download | glibc-b5d5b67be3e624efa7f44df4375dfdfffa1f97cb.zip glibc-b5d5b67be3e624efa7f44df4375dfdfffa1f97cb.tar.gz glibc-b5d5b67be3e624efa7f44df4375dfdfffa1f97cb.tar.bz2 | |
Update.
2003-05-04 H.J. Lu <hongjiu.lu@intel.com>
* malloc/arena.c (arena_get2): Add atomic_write_barrier.
* malloc/thread-m.h: Include <atomic.h>.
(atomic_full_barrier): Provide default.
(atomic_read_barrier): Likewise.
(atomic_write_barrier): Likewise.
* sysdeps/ia64/bits/atomic.h (atomic_full_barrier): New #define.
Diffstat (limited to 'malloc/arena.c')
| -rw-r--r-- | malloc/arena.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/malloc/arena.c b/malloc/arena.c index e47d3d0..fb7b92f 100644 --- a/malloc/arena.c +++ b/malloc/arena.c @@ -1,5 +1,5 @@ /* Malloc implementation for multiple threads without lock contention. - Copyright (C) 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Wolfram Gloger <wg@malloc.de>, 2001. @@ -758,6 +758,7 @@ arena_get2(a_tsd, size) mstate a_tsd; size_t size; /* Add the new arena to the global list. */ (void)mutex_lock(&list_lock); a->next = main_arena.next; + atomic_write_barrier (); main_arena.next = a; (void)mutex_unlock(&list_lock); |