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

Shmem region: support huge pages via path to hugetlbfs mount

Browse Source
This commit is contained in:
Alexey Rybalchenko
2019-07-03 14:54:54 +02:00
committed by Dennis Klein
parent a8c76accdc
commit 0e35f1cb22
29 changed files with 466 additions and 537 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
fairmq/shmem/FairMQUnmanagedRegionSHM.cxx
View File

@@ -15,22 +15,18 @@ using namespace fair::mq::shmem;
namespace bipc = ::boost::interprocess;
FairMQUnmanagedRegionSHM::FairMQUnmanagedRegionSHM(Manager& manager, const size_t size, FairMQRegionCallback callback)
FairMQUnmanagedRegionSHM::FairMQUnmanagedRegionSHM(Manager& manager, const size_t size, FairMQRegionCallback callback, const std::string& path /* = "" */, int flags /* = 0 */)
: fManager(manager)
, fRegion(nullptr)
, fRegionId(0)
{
try
{
try {
RegionCounter* rc = fManager.ManagementSegment().find<RegionCounter>(bipc::unique_instance).first;
if (rc)
{
if (rc) {
LOG(debug) << "region counter found, with value of " << rc->fCount << ". incrementing.";
(rc->fCount)++;
LOG(debug) << "incremented region counter, now: " << rc->fCount;
}
else
{
} else {
LOG(debug) << "no region counter found, creating one and initializing with 1";
rc = fManager.ManagementSegment().construct<RegionCounter>(bipc::unique_instance)(1);
LOG(debug) << "initialized region counter with: " << rc->fCount;
@@ -38,13 +34,11 @@ FairMQUnmanagedRegionSHM::FairMQUnmanagedRegionSHM(Manager& manager, const size_
fRegionId = rc->fCount;
fRegion = fManager.CreateRegion(size, fRegionId, callback);
}
catch (bipc::interprocess_exception& e)
{
fRegion = fManager.CreateRegion(size, fRegionId, callback, path, flags);
} catch (bipc::interprocess_exception& e) {
LOG(error) << "cannot create region. Already created/not cleaned up?";
LOG(error) << e.what();
exit(EXIT_FAILURE);
throw;
}
}