From d33a69463f1a75134d01191be0b9e1bdd757dd4b Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期五, 30 四月 2021 15:27:59 +0800
Subject: [PATCH] add atomic queue, no lock, unorder.
---
src/shm_msg_queue.cpp | 15 +++++++--------
1 files changed, 7 insertions(+), 8 deletions(-)
diff --git a/src/shm_msg_queue.cpp b/src/shm_msg_queue.cpp
index ae019bf..03a6cfb 100644
--- a/src/shm_msg_queue.cpp
+++ b/src/shm_msg_queue.cpp
@@ -84,19 +84,18 @@
return Shmq::Find(shm, MsgQIdToName(remote_id));
}
-bool ShmMsgQueue::TrySend(SharedMemory &shm, const MQId remote_id, const MsgI &msg, OnSend const &onsend)
+bool ShmMsgQueue::TrySend(SharedMemory &shm, const MQId remote_id, MsgI msg)
{
Queue *remote = Find(shm, remote_id);
+ bool r = false;
if (remote) {
- if (onsend) {
- return remote->TryWrite(msg, [&onsend](const MsgI &msg) { onsend(); msg.AddRef(); });
- } else {
- return remote->TryWrite(msg, [](const MsgI &msg) { msg.AddRef(); });
+ msg.AddRef();
+ r = remote->TryWrite(msg);
+ if (!r) {
+ msg.Release();
}
- } else {
- // SetLestError(eNotFound);
- return false;
}
+ return r;
}
// Test shows that in the 2 cases:
--
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