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Shm: throw on bad_alloc, option to disable

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This commit is contained in:
Alexey Rybalchenko
2020-05-17 14:46:15 +02:00
parent 2916a491b9
commit 0d03c76a75
7 changed files with 42 additions and 29 deletions
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6
fairmq/shmem/Manager.h
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@@ -52,7 +52,7 @@ struct SharedMemoryError : std::runtime_error { using std::runtime_error::runtim
class Manager
{
public:
Manager(std::string id, std::string deviceId, size_t size)
Manager(std::string id, std::string deviceId, size_t size, bool throwOnBadAlloc)
: fShmId(std::move(id))
, fDeviceId(std::move(deviceId))
, fSegmentName("fmq_" + fShmId + "_main")
@@ -69,6 +69,7 @@ class Manager
, fMsgCounter(0)
, fHeartbeatThread()
, fSendHeartbeats(true)
, fThrowOnBadAlloc(throwOnBadAlloc)
{
using namespace boost::interprocess;
LOG(debug) << "created/opened shared memory segment '" << "fmq_" << fShmId << "_main" << "' of " << size << " bytes. Available are " << fSegment.get_free_memory() << " bytes.";
@@ -415,6 +416,8 @@ class Manager
}
}
bool ThrowingOnBadAlloc() const { return fThrowOnBadAlloc; }
private:
std::string fShmId;
std::string fDeviceId;
@@ -440,6 +443,7 @@ class Manager
std::thread fHeartbeatThread;
std::atomic<bool> fSendHeartbeats;
bool fThrowOnBadAlloc;
};
} // namespace shmem