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shmem: configurable segment name.

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This commit is contained in:
Alexey Rybalchenko 2017-04-24 13:55:10 +02:00 committed by Mohammad Al-Turany
parent 14f9084a80
commit 7b4a2ae932
2 changed files with 48 additions and 43 deletions
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3
fairmq/options/FairMQProgOptions.cxx
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@ -310,6 +310,7 @@ void FairMQProgOptions::InitOptionDescription()
("port-range-max", po::value<int >()->default_value(32000), "End of the port range for dynamic initialization.") ("port-range-max", po::value<int >()->default_value(32000), "End of the port range for dynamic initialization.")
("log-to-file", po::value<string>()->default_value(""), "Log output to a file.") ("log-to-file", po::value<string>()->default_value(""), "Log output to a file.")
("shm-segment-size", po::value<size_t>()->default_value(2000000000), "shmem transport: size of the shared memory segment (in bytes).") ("shm-segment-size", po::value<size_t>()->default_value(2000000000), "shmem transport: size of the shared memory segment (in bytes).")
("shm-segment-name", po::value<string>()->default_value("fairmq_shmem_main"), "shmem transport: name of the shared memory segment.")
; ;
fMQOptionsInCfg.add_options() fMQOptionsInCfg.add_options()
@ -326,6 +327,7 @@ void FairMQProgOptions::InitOptionDescription()
("port-range-max", po::value<int >()->default_value(32000), "End of the port range for dynamic initialization.") ("port-range-max", po::value<int >()->default_value(32000), "End of the port range for dynamic initialization.")
("log-to-file", po::value<string>()->default_value(""), "Log output to a file.") ("log-to-file", po::value<string>()->default_value(""), "Log output to a file.")
("shm-segment-size", po::value<size_t>()->default_value(2000000000), "shmem transport: size of the shared memory segment (in bytes).") ("shm-segment-size", po::value<size_t>()->default_value(2000000000), "shmem transport: size of the shared memory segment (in bytes).")
("shm-segment-name", po::value<string>()->default_value("fairmq_shmem_main"), "shmem transport: name of the shared memory segment.")
; ;
} }
else else
@ -344,6 +346,7 @@ void FairMQProgOptions::InitOptionDescription()
("port-range-max", po::value<int >()->default_value(32000), "End of the port range for dynamic initialization.") ("port-range-max", po::value<int >()->default_value(32000), "End of the port range for dynamic initialization.")
("log-to-file", po::value<string>()->default_value(""), "Log output to a file.") ("log-to-file", po::value<string>()->default_value(""), "Log output to a file.")
("shm-segment-size", po::value<size_t>()->default_value(2000000000), "shmem transport: size of the shared memory segment (in bytes).") ("shm-segment-size", po::value<size_t>()->default_value(2000000000), "shmem transport: size of the shared memory segment (in bytes).")
("shm-segment-name", po::value<string>()->default_value("fairmq_shmem_main"), "shmem transport: name of the shared memory segment.")
; ;
} }

10
fairmq/shmem/FairMQTransportFactorySHM.cxx
View File

@ -53,10 +53,12 @@ void FairMQTransportFactorySHM::Initialize(const FairMQProgOptions* config)
{ {
int numIoThreads = 1; int numIoThreads = 1;
size_t segmentSize = 2000000000; size_t segmentSize = 2000000000;
string segmentName = "fairmq_shmem_main";
if (config) if (config)
{ {
numIoThreads = config->GetValue<int>("io-threads"); numIoThreads = config->GetValue<int>("io-threads");
segmentSize = config->GetValue<size_t>("shm-segment-size"); segmentSize = config->GetValue<size_t>("shm-segment-size");
segmentName = config->GetValue<string>("shm-segment-name");
} }
else else
{ {
@ -77,7 +79,7 @@ void FairMQTransportFactorySHM::Initialize(const FairMQProgOptions* config)
fSendHeartbeats = true; fSendHeartbeats = true;
fHeartbeatThread = thread(&FairMQTransportFactorySHM::SendHeartbeats, this); fHeartbeatThread = thread(&FairMQTransportFactorySHM::SendHeartbeats, this);
Manager::Instance().InitializeSegment("open_or_create", "FairMQSharedMemory", segmentSize); Manager::Instance().InitializeSegment("open_or_create", segmentName, segmentSize);
LOG(DEBUG) << "shmem: created/opened shared memory segment of " << segmentSize << " bytes. Available are " << Manager::Instance().Segment()->get_free_memory() << " bytes."; LOG(DEBUG) << "shmem: created/opened shared memory segment of " << segmentSize << " bytes. Available are " << Manager::Instance().Segment()->get_free_memory() << " bytes.";
{ // mutex scope { // mutex scope
@ -202,9 +204,9 @@ void FairMQTransportFactorySHM::Terminate()
if (fDeviceCounter->count == 0) if (fDeviceCounter->count == 0)
{ {
LOG(DEBUG) << "shmem: last FairMQSharedMemory user, removing segment."; LOG(DEBUG) << "shmem: last 'fairmq_shmem_main' user, removing segment.";
if (bipc::shared_memory_object::remove("FairMQSharedMemory")) if (bipc::shared_memory_object::remove("fairmq_shmem_main"))
{ {
LOG(DEBUG) << "shmem: successfully removed shared memory segment after the device has stopped."; LOG(DEBUG) << "shmem: successfully removed shared memory segment after the device has stopped.";
} }
@ -215,7 +217,7 @@ void FairMQTransportFactorySHM::Terminate()
} }
else else
{ {
LOG(DEBUG) << "shmem: other FairMQSharedMemory users present (" << fDeviceCounter->count << "), not removing it."; LOG(DEBUG) << "shmem: other 'fairmq_shmem_main' users present (" << fDeviceCounter->count << "), not removing it.";
} }
} }
} }