coffee/cpp-ipc
1
0
Fork 0
mirror of https://github.com/mutouyun/cpp-ipc.git synced 2025-12-07 01:06:45 +08:00
Code Issues Packages Projects Releases Wiki Activity

a little adjustment

Browse Source
This commit is contained in:
mutouyun 2018-11-26 18:35:49 +08:00
parent e2cdcb24c3
commit 2d86727be1
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/circ_elem_array.h
View File

@ -106,8 +106,9 @@ public:
// check read finished by all consumers // check read finished by all consumers
do { do {
uc_t expected = 0; uc_t expected = 0;
std::atomic_thread_fence(std::memory_order_acquire);
if (el->head_.rf_.compare_exchange_weak( if (el->head_.rf_.compare_exchange_weak(
expected, static_cast<uc_t>(conn_count()), std::memory_order_acq_rel)) { expected, cc_.load(std::memory_order_relaxed), std::memory_order_release)) {
break; break;
} }
std::this_thread::yield(); std::this_thread::yield();