c69545c47a
This switchtes the data even if there are requests still running on the old data. osrm-datastore then waits until all of these old requests have finished before freeing the old regions. This also means that osrm-datastore will return with an error if there is a data update currenlty in progress.
31 lines
755 B
C++
31 lines
755 B
C++
#ifndef SHARED_BARRIERS_HPP
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#define SHARED_BARRIERS_HPP
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#include <boost/interprocess/sync/named_sharable_mutex.hpp>
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#include <boost/interprocess/sync/named_upgradable_mutex.hpp>
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namespace osrm
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{
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namespace storage
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{
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struct SharedBarriers
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{
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SharedBarriers()
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: current_regions_mutex(boost::interprocess::open_or_create, "current_regions"),
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regions_1_mutex(boost::interprocess::open_or_create, "regions_1"),
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regions_2_mutex(boost::interprocess::open_or_create, "regions_2")
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{
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}
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boost::interprocess::named_upgradable_mutex current_regions_mutex;
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boost::interprocess::named_sharable_mutex regions_1_mutex;
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boost::interprocess::named_sharable_mutex regions_2_mutex;
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};
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}
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}
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#endif // SHARED_BARRIERS_HPP
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