From 3f4f049ac015c695a965142e7b1180eae83ae781 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期四, 25 三月 2021 16:18:26 +0800
Subject: [PATCH] reason for speed change; refactor.
---
src/shm_queue.h | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/shm_queue.h b/src/shm_queue.h
index d0eb972..023b2d1 100644
--- a/src/shm_queue.h
+++ b/src/shm_queue.h
@@ -53,7 +53,7 @@
using Super::size;
using Super::capacity;
const MQId &Id() const { return id_; }
- bool Write(D buf, const int timeout_ms) {
+ bool Write(const D &buf, const int timeout_ms) {
Guard lock(mutex());
if (cond_write_.timed_wait(lock, MSFromNow(timeout_ms), [&]() { return !this->full(); })) {
this->push_back(buf);
@@ -67,7 +67,8 @@
bool Read(D &buf, const int timeout_ms){
Guard lock(mutex());
if (cond_read_.timed_wait(lock, MSFromNow(timeout_ms), [&]() { return !this->empty(); })) {
- buf = this->front();
+ using std::swap;
+ swap(buf, this->front());
this->pop_front();
cond_write_.notify_one();
return true;
--
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