//$$CDS-header$$
-#ifndef __CDS_CONTAINER_FCPRIORITY_QUEUE_H
-#define __CDS_CONTAINER_FCPRIORITY_QUEUE_H
+#ifndef CDSLIB_CONTAINER_FCPRIORITY_QUEUE_H
+#define CDSLIB_CONTAINER_FCPRIORITY_QUEUE_H
#include <cds/algo/flat_combining.h>
#include <cds/algo/elimination_opt.h>
op_push = cds::algo::flat_combining::req_Operation,
op_push_move,
op_pop,
- op_clear
+ op_clear,
+ op_empty
};
// Flat combining publication list record
/**
If the combining is in process the function waits while combining done.
*/
- bool empty() const
+ bool empty()
{
- m_FlatCombining.wait_while_combining();
- return m_PQueue.empty();
+ fc_record * pRec = m_FlatCombining.acquire_record();
+
+ m_FlatCombining.combine( op_empty, pRec, *this );
+ assert( pRec->is_done() );
+ m_FlatCombining.release_record( pRec );
+ return pRec->bEmpty;
}
/// Internal statistics
{
assert( pRec );
+ // this function is called under FC mutex, so switch TSan off
+ CDS_TSAN_ANNOTATE_IGNORE_RW_BEGIN;
+
switch ( pRec->op() ) {
case op_push:
assert( pRec->pValPush );
while ( !m_PQueue.empty() )
m_PQueue.pop();
break;
+ case op_empty:
+ pRec->bEmpty = m_PQueue.empty();
+ break;
default:
assert(false);
break;
}
+
+ CDS_TSAN_ANNOTATE_IGNORE_RW_END;
}
//@endcond
};
}} // namespace cds::container
-#endif // #ifndef __CDS_CONTAINER_FCPRIORITY_QUEUE_H
+#endif // #ifndef CDSLIB_CONTAINER_FCPRIORITY_QUEUE_H