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add mlock/zero options to unmanaged region

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This commit is contained in:
Alexey Rybalchenko
2021-05-07 14:11:58 +02:00
parent c85d6e079c
commit 857aa84fa3
9 changed files with 87 additions and 40 deletions
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11
examples/region/Sampler.cxx
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@@ -39,9 +39,9 @@ void Sampler::InitTask()
<< ", flags: " << info.flags;
});
fRegion = FairMQUnmanagedRegionPtr(NewUnmanagedRegionFor("data",
0,
10000000,
fRegion = FairMQUnmanagedRegionPtr(NewUnmanagedRegionFor("data", // region is created using the transport of this channel...
0, // ... and this sub-channel
10000000, // region size
[this](const std::vector<fair::mq::RegionBlock>& blocks) { // callback to be called when message buffers no longer needed by transport
lock_guard<mutex> lock(fMtx);
fNumUnackedMsgs -= blocks.size();
@@ -49,7 +49,10 @@ void Sampler::InitTask()
if (fMaxIterations > 0) {
LOG(info) << "Received " << blocks.size() << " acks";
}
}
},
"", // path, if a region is backed by a file
0, // flags that are passed for region creation
fair::mq::RegionConfig{true, true} // additional config: { call mlock on the region, zero the region memory }
));
fRegion->SetLinger(fLinger);
}