Mirror/FairMQ
1
0
Fork 0
mirror of https://github.com/FairRootGroup/FairMQ.git synced 2025-10-15 09:31:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

region example: fix race between segment reset & presence check

Browse Source
This commit is contained in:
Alexey Rybalchenko
2022-09-07 23:26:04 +02:00
parent 75e68e3e4d
commit 1bbb3f606e
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
examples/region/keep-alive.cxx
View File

@@ -19,6 +19,7 @@
#include <chrono>
#include <csignal>
#include <map>
#include <mutex>
#include <string>
#include <thread>
@@ -113,6 +114,7 @@ struct ShmManager
bool CheckPresence()
{
std::lock_guard<std::mutex> lock(localMtx);
for (const auto& sc : segmentCfgs) {
if (!(fair::mq::shmem::Monitor::SegmentIsPresent(fair::mq::shmem::ShmId{shmId}, sc.id))) {
return false;
@@ -128,6 +130,7 @@ struct ShmManager
void ResetContent()
{
std::lock_guard<std::mutex> lock(localMtx);
fair::mq::shmem::Monitor::ResetContent(fair::mq::shmem::ShmId{shmId}, segmentCfgs, regionCfgs);
}
@@ -145,6 +148,7 @@ struct ShmManager
}
std::string shmId;
std::mutex localMtx;
map<uint16_t, fair::mq::shmem::Segment> segments;
map<uint16_t, unique_ptr<fair::mq::shmem::UnmanagedRegion>> regions;
std::vector<fair::mq::shmem::SegmentConfig> segmentCfgs;