40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#ifndef SHARED_BARRIERS_HPP
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#define SHARED_BARRIERS_HPP
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#include <boost/interprocess/sync/named_condition.hpp>
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#include <boost/interprocess/sync/named_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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: pending_update_mutex(boost::interprocess::open_or_create, "pending_update"),
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update_mutex(boost::interprocess::open_or_create, "update"),
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query_mutex(boost::interprocess::open_or_create, "query"),
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no_running_queries_condition(boost::interprocess::open_or_create, "no_running_queries"),
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update_ongoing(false), number_of_queries(0)
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{
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}
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// Mutex to protect access to the boolean variable
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boost::interprocess::named_mutex pending_update_mutex;
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boost::interprocess::named_mutex update_mutex;
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boost::interprocess::named_mutex query_mutex;
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// Condition that no update is running
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boost::interprocess::named_condition no_running_queries_condition;
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// Is there an ongoing update?
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bool update_ongoing;
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// Is there any query?
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int number_of_queries;
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};
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}
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}
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#endif // SHARED_BARRIERS_HPP
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