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shm: add APIs for implementing keep-alive process

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Alexey Rybalchenko
2021-12-09 00:11:14 +01:00
committed by Dennis Klein
parent eb4620b1ec
commit 692576a5b1
19 changed files with 872 additions and 452 deletions
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fairmq/plugins/config/Config.cxx
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@@ -67,6 +67,7 @@ Plugin::ProgOptions ConfigPluginProgramOptions()
("shm-segment-size", po::value<size_t >()->default_value(2ULL << 30), "Shared memory: size of the shared memory segment (in bytes).")
("shm-allocation", po::value<string >()->default_value("rbtree_best_fit"), "Shared memory allocation algorithm: rbtree_best_fit/simple_seq_fit.")
("shm-segment-id", po::value<uint16_t >()->default_value(0), "EXPERIMENTAL: Shared memory segment id for message creation.")
("shmid", po::value<uint64_t >(), "EXPERIMENTAL: Fixed shmid to use instead of deriving it from the session name.")
("shm-mlock-segment", po::value<bool >()->default_value(false), "Shared memory: mlock the shared memory segment after initialization (opened or created).")
("shm-mlock-segment-on-creation", po::value<bool >()->default_value(false), "Shared memory: mlock the shared memory segment only once when created.")
("shm-zero-segment", po::value<bool >()->default_value(false), "Shared memory: zero the shared memory segment memory after initialization (opened or created).")