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Shmem region: support huge pages via path to hugetlbfs mount

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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
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40
fairmq/shmem/FairMQMessageSHM.cxx
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@@ -223,25 +223,16 @@ zmq_msg_t* FairMQMessageSHM::GetMessage()
void* FairMQMessageSHM::GetData() const
{
if (fLocalPtr)
{
if (fLocalPtr) {
return fLocalPtr;
}
else
{
if (fRegionId == 0)
{
} else {
if (fRegionId == 0) {
return fManager.Segment().get_address_from_handle(fHandle);
}
else
{
} else {
fRegionPtr = fManager.GetRemoteRegion(fRegionId);
if (fRegionPtr)
{
if (fRegionPtr) {
fLocalPtr = reinterpret_cast<char*>(fRegionPtr->fRegion.get_address()) + fHandle;
}
else
{
} else {
// LOG(warn) << "could not get pointer from a region message";
fLocalPtr = nullptr;
}
@@ -257,15 +248,10 @@ size_t FairMQMessageSHM::GetSize() const
bool FairMQMessageSHM::SetUsedSize(const size_t size)
{
if (size == fSize)
{
if (size == fSize) {
return true;
}
else if (size <= fSize)
{
try
{
} else if (size <= fSize) {
try {
bipc::managed_shared_memory::size_type shrunkSize = size;
fLocalPtr = fManager.Segment().allocation_command<char>(bipc::shrink_in_place, fSize + 128, shrunkSize, fLocalPtr);
fSize = size;
@@ -274,15 +260,11 @@ bool FairMQMessageSHM::SetUsedSize(const size_t size)
MetaHeader* hdrPtr = static_cast<MetaHeader*>(zmq_msg_data(&fMessage));
hdrPtr->fSize = fSize;
return true;
}
catch (bipc::interprocess_exception& e)
{
} catch (bipc::interprocess_exception& e) {
LOG(info) << "could not set used size: " << e.what();
return false;
}
}
else
{
} else {
LOG(error) << "cannot set used size higher than original.";
return false;
}