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48 lines
1014 B
C++
48 lines
1014 B
C++
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// Copyright Oliver Kowalke 2013.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include "boost/fiber/round_robin.hpp"
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#include <boost/assert.hpp>
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_PREFIX
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#endif
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namespace boost {
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namespace fibers {
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void
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round_robin::awakened( context * ctx) {
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BOOST_ASSERT( nullptr != ctx);
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BOOST_ASSERT( ! ctx->ready_is_linked() );
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ctx->ready_link( ready_queue_);
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}
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context *
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round_robin::pick_next() {
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context * victim( nullptr);
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if ( ! ready_queue_.empty() ) {
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victim = & ready_queue_.front();
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ready_queue_.pop_front();
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BOOST_ASSERT( nullptr != victim);
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BOOST_ASSERT( ! victim->ready_is_linked() );
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}
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return victim;
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}
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bool
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round_robin::has_ready_fibers() const noexcept {
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return ! ready_queue_.empty();
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}
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}}
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_SUFFIX
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#endif
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