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Add error handling for mlock

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This commit is contained in:
Alexey Rybalchenko 2020-08-04 12:29:00 +02:00
parent b5545c1575
commit 65f9519917
1 changed files with 3 additions and 1 deletions
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4
fairmq/shmem/Manager.h
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@ -96,7 +96,9 @@ class Manager
LOG(debug) << "created/opened shared memory segment '" << "fmq_" << fShmId << "_main" << "' of " << fSegment.get_size() << " bytes. Available are " << fSegment.get_free_memory() << " bytes."; LOG(debug) << "created/opened shared memory segment '" << "fmq_" << fShmId << "_main" << "' of " << fSegment.get_size() << " bytes. Available are " << fSegment.get_free_memory() << " bytes.";
if (mlockSegment) { if (mlockSegment) {
LOG(debug) << "Locking the managed segment memory pages..."; LOG(debug) << "Locking the managed segment memory pages...";
mlock(fSegment.get_address(), fSegment.get_size()); if (mlock(fSegment.get_address(), fSegment.get_size()) == -1) {
LOG(error) << "Could not lock the managed segment memory. Code: " << errno << ", reason: " << strerror(errno);
}
LOG(debug) << "Successfully locked the managed segment memory pages."; LOG(debug) << "Successfully locked the managed segment memory pages.";
} }
if (zeroSegment) { if (zeroSegment) {