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-rw-r--r--src/lib/shm_rbuff_ll.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lib/shm_rbuff_ll.c b/src/lib/shm_rbuff_ll.c
index d777de8b..1e072b21 100644
--- a/src/lib/shm_rbuff_ll.c
+++ b/src/lib/shm_rbuff_ll.c
@@ -244,14 +244,14 @@ int shm_rbuff_write(struct shm_rbuff * rb,
nhead = RB_HEAD;
+ *(rb->shm_base + nhead) = (ssize_t) idx;
+
do {
ohead = nhead;
nhead = (ohead + 1) & ((SHM_BUFFER_SIZE) - 1);
nhead = __sync_val_compare_and_swap(rb->head, ohead, nhead);
} while (nhead != ohead);
- *(rb->shm_base + nhead) = (ssize_t) idx;
-
if (was_empty)
pthread_cond_broadcast(rb->add);