diff options
| author | Agustina Arzille <avarzille@riseup.net> | 2017-05-05 04:01:13 -1000 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2017-05-09 21:17:58 +0200 |
| commit | bcbe8dc991a9ec63f30d50ed4cca89fd9e6b7ff7 (patch) | |
| tree | 389517510b8d19082d02f36453dbf68356b548fb /kern/thread.h | |
| parent | b5864f82b9c0d8ea2e825e7d86bd8cdeb825f870 (diff) | |
Replace sequential consistency with more efficient orders
Diffstat (limited to 'kern/thread.h')
| -rw-r--r-- | kern/thread.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kern/thread.h b/kern/thread.h index 3fa2a1f8..ee58c43f 100644 --- a/kern/thread.h +++ b/kern/thread.h @@ -270,7 +270,7 @@ thread_ref(struct thread *thread) { unsigned long nr_refs; - nr_refs = atomic_fetch_add(&thread->nr_refs, 1, ATOMIC_SEQ_CST); + nr_refs = atomic_fetch_add(&thread->nr_refs, 1, ATOMIC_RELAXED); assert(nr_refs != (unsigned long)-1); } @@ -279,7 +279,7 @@ thread_unref(struct thread *thread) { unsigned long nr_refs; - nr_refs = atomic_fetch_sub(&thread->nr_refs, 1, ATOMIC_SEQ_CST); + nr_refs = atomic_fetch_sub_acq_rel(&thread->nr_refs, 1); assert(nr_refs != 0); if (nr_refs == 1) { |