From 67b690bac842b1787ab008c7b8fa5a06212c2b3f Mon Sep 17 00:00:00 2001 From: Patrick Pelissier Date: Thu, 14 Sep 2017 23:05:51 +0200 Subject: [PATCH] Update comment. --- m-buffer.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/m-buffer.h b/m-buffer.h index a209032d..2f86d6bf 100644 --- a/m-buffer.h +++ b/m-buffer.h @@ -348,7 +348,7 @@ M_C(name, _init)(buffer_t v, size_t size) \ const unsigned int i = idx & (table->size -1); \ const unsigned long long seq = atomic_load(&table->Tab[i].seq); \ if (M_UNLIKELY (2*(idx - table->size) + 1 != seq)) { \ - /* Buffer full. Can not push */ \ + /* Buffer full (or unlikely preemption). Can not push */ \ return false; \ } \ if (M_UNLIKELY (!atomic_compare_exchange_strong(&table->ProdIdx, &idx, idx+1))) { \ @@ -367,7 +367,7 @@ M_C(name, _init)(buffer_t v, size_t size) \ const unsigned int i = (iC & (table->size -1)); \ const unsigned long long seq = atomic_load(&table->Tab[i].seq); \ if (seq != 2 * iC) { \ - /* Nothing in buffer to consumme */ \ + /* Nothing in buffer to consumme (or unlikely preemption) */ \ return false; \ } \ if (M_UNLIKELY (!atomic_compare_exchange_strong(&table->ConsoIdx, &iC, iC+1))) { \