ceph/src/boost/libs/fiber/src/properties.cpp

   1 //          Copyright Oliver Kowalke 2013.
   2 // Distributed under the Boost Software License, Version 1.0.
   3 //    (See accompanying file LICENSE_1_0.txt or copy at
   4 //          http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include "boost/fiber/properties.hpp"
   7
   8 #include <boost/assert.hpp>
   9
  10 #include "boost/fiber/algo/algorithm.hpp"
  11 #include "boost/fiber/scheduler.hpp"
  12 #include "boost/fiber/context.hpp"
  13
  14 #ifdef BOOST_HAS_ABI_HEADERS
  15 #  include BOOST_ABI_PREFIX
  16 #endif
  17
  18 namespace boost {
  19 namespace fibers {
  20
  21 void
  22 fiber_properties::notify() noexcept {
  23     BOOST_ASSERT( nullptr != algo_);
  24     // Application code might change an important property for any fiber at
  25     // any time. The fiber in question might be ready, running or waiting.
  26     // Significantly, only a fiber which is ready but not actually running is
  27     // in the sched_algorithm's ready queue. Don't bother the sched_algorithm
  28     // with a change to a fiber it's not currently tracking: it will do the
  29     // right thing next time the fiber is passed to its awakened() method.
  30     if ( ctx_->ready_is_linked() ) {
  31         static_cast< algo::algorithm_with_properties_base * >( algo_)->
  32             property_change_( ctx_, this);
  33     }
  34 }
  35
  36 }}                                  // boost::fibers
  37
  38 #ifdef BOOST_HAS_ABI_HEADERS
  39 #  include BOOST_ABI_SUFFIX
  40 #endif