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| author | Ivan Maidanski <ivmai@mail.ru> | 2022-04-21 08:58:56 +0300 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2022-04-21 14:01:00 +0300 |
| commit | cae46fbdc4925cd05016ce5bc11cfe7d71ef8809 (patch) | |
| tree | 998142ad1aef957752d8f6b84287bad03034a580 /pthread_stop_world.c | |
| parent | c207ad8ee73bbd41940f4bd15c958a4f41047859 (diff) | |
| download | bdwgc-cae46fbdc4925cd05016ce5bc11cfe7d71ef8809.tar.gz | |
Eliminate redundant AO acquire barrier in GC_suspend_handler_inner
(fix of commit c207ad8ee)
* pthread_stop_world.c [!GC_OPENBSD_UTHREADS && !NACL
&& GC_ENABLE_SUSPEND_THREAD] (GC_suspend_handler_inner): Use
ao_load_async() for me->stop_info.ext_suspend_cnt instead of
ao_load_acquire_async().
Diffstat (limited to 'pthread_stop_world.c')
| -rw-r--r-- | pthread_stop_world.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/pthread_stop_world.c b/pthread_stop_world.c index ad1be33f..23b6cf31 100644 --- a/pthread_stop_world.c +++ b/pthread_stop_world.c @@ -398,8 +398,8 @@ STATIC void GC_suspend_handler_inner(ptr_t dummy GC_ATTR_UNUSED, } while (ao_load_acquire_async(&GC_stop_count) == my_stop_count # ifdef GC_ENABLE_SUSPEND_THREAD || ((suspend_cnt & 1) != 0 - && (word)ao_load_acquire_async( - &(me -> stop_info.ext_suspend_cnt)) == suspend_cnt) + && (word)ao_load_async(&(me -> stop_info.ext_suspend_cnt)) + == suspend_cnt) # endif ); |