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Shm::Monitor: add nullptr check for segment info

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This commit is contained in:
Alexey Rybalchenko 2022-05-28 12:57:30 +02:00
parent 69faa63c5b
commit 00df117c7c
1 changed files with 23 additions and 18 deletions
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5
fairmq/shmem/Monitor.cxx
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@ -660,6 +660,8 @@ void Monitor::ResetContent(const ShmId& shmIdT, bool verbose /* = true */)
managed_shared_memory managementSegment(open_only, managementSegmentName.c_str()); managed_shared_memory managementSegment(open_only, managementSegmentName.c_str());
Uint16SegmentInfoHashMap* segmentInfos = managementSegment.find<Uint16SegmentInfoHashMap>(unique_instance).first; Uint16SegmentInfoHashMap* segmentInfos = managementSegment.find<Uint16SegmentInfoHashMap>(unique_instance).first;
if (segmentInfos) {
cout << "Found info for " << segmentInfos->size() << " managed segments" << endl;
for (const auto& s : *segmentInfos) { for (const auto& s : *segmentInfos) {
if (verbose) { if (verbose) {
cout << "Resetting content of segment '" << "fmq_" << shmId << "_m_" << s.first << "'..." << endl; cout << "Resetting content of segment '" << "fmq_" << shmId << "_m_" << s.first << "'..." << endl;
@ -682,6 +684,9 @@ void Monitor::ResetContent(const ShmId& shmIdT, bool verbose /* = true */)
} }
} }
} }
} else {
cout << "Found management segment, but cannot locate segment info, something went wrong..." << endl;
}
Uint16RegionInfoHashMap* shmRegions = managementSegment.find<Uint16RegionInfoHashMap>(bipc::unique_instance).first; Uint16RegionInfoHashMap* shmRegions = managementSegment.find<Uint16RegionInfoHashMap>(bipc::unique_instance).first;
if (shmRegions) { if (shmRegions) {