Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/asio/detail/impl/select_reactor.ipp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/asio/detail/impl/select_reactor.ipp | 77 |
1 files changed, 58 insertions, 19 deletions
diff --git a/3rdParty/Boost/src/boost/asio/detail/impl/select_reactor.ipp b/3rdParty/Boost/src/boost/asio/detail/impl/select_reactor.ipp index 8fcf68e..d11904e 100644 --- a/3rdParty/Boost/src/boost/asio/detail/impl/select_reactor.ipp +++ b/3rdParty/Boost/src/boost/asio/detail/impl/select_reactor.ipp @@ -2,7 +2,7 @@ // detail/impl/select_reactor.ipp // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // -// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) @@ -82,6 +82,14 @@ void select_reactor::shutdown_service() op_queue_[i].get_all_operations(ops); timer_queues_.get_all_timers(ops); + + io_service_.abandon_operations(ops); +} + +void select_reactor::fork_service(boost::asio::io_service::fork_event fork_ev) +{ + if (fork_ev == boost::asio::io_service::fork_child) + interrupter_.recreate(); } void select_reactor::init_task() @@ -95,6 +103,24 @@ int select_reactor::register_descriptor(socket_type, return 0; } +int select_reactor::register_internal_descriptor( + int op_type, socket_type descriptor, + select_reactor::per_descriptor_data&, reactor_op* op) +{ + boost::asio::detail::mutex::scoped_lock lock(mutex_); + + op_queue_[op_type].enqueue_operation(descriptor, op); + interrupter_.interrupt(); + + return 0; +} + +void select_reactor::move_descriptor(socket_type, + select_reactor::per_descriptor_data&, + select_reactor::per_descriptor_data&) +{ +} + void select_reactor::start_op(int op_type, socket_type descriptor, select_reactor::per_descriptor_data&, reactor_op* op, bool) { @@ -119,13 +145,22 @@ void select_reactor::cancel_ops(socket_type descriptor, cancel_ops_unlocked(descriptor, boost::asio::error::operation_aborted); } -void select_reactor::close_descriptor(socket_type descriptor, - select_reactor::per_descriptor_data&) +void select_reactor::deregister_descriptor(socket_type descriptor, + select_reactor::per_descriptor_data&, bool) { boost::asio::detail::mutex::scoped_lock lock(mutex_); cancel_ops_unlocked(descriptor, boost::asio::error::operation_aborted); } +void select_reactor::deregister_internal_descriptor( + socket_type descriptor, select_reactor::per_descriptor_data&) +{ + boost::asio::detail::mutex::scoped_lock lock(mutex_); + op_queue<operation> ops; + for (int i = 0; i < max_ops; ++i) + op_queue_[i].cancel_operations(descriptor, ops); +} + void select_reactor::run(bool block, op_queue<operation>& ops) { boost::asio::detail::mutex::scoped_lock lock(mutex_); @@ -137,27 +172,28 @@ void select_reactor::run(bool block, op_queue<operation>& ops) #endif // defined(BOOST_ASIO_HAS_IOCP) // Set up the descriptor sets. - fd_set_adapter fds[max_select_ops]; - fds[read_op].set(interrupter_.read_descriptor()); + for (int i = 0; i < max_select_ops; ++i) + fd_sets_[i].reset(); + fd_sets_[read_op].set(interrupter_.read_descriptor()); socket_type max_fd = 0; bool have_work_to_do = !timer_queues_.all_empty(); for (int i = 0; i < max_select_ops; ++i) { have_work_to_do = have_work_to_do || !op_queue_[i].empty(); - op_queue_[i].get_descriptors(fds[i], ops); - if (fds[i].max_descriptor() > max_fd) - max_fd = fds[i].max_descriptor(); + op_queue_[i].get_descriptors(fd_sets_[i], ops); + if (fd_sets_[i].max_descriptor() > max_fd) + max_fd = fd_sets_[i].max_descriptor(); } #if defined(BOOST_WINDOWS) || defined(__CYGWIN__) // Connection operations on Windows use both except and write fd_sets. have_work_to_do = have_work_to_do || !op_queue_[connect_op].empty(); - op_queue_[connect_op].get_descriptors(fds[write_op], ops); - if (fds[write_op].max_descriptor() > max_fd) - max_fd = fds[write_op].max_descriptor(); - op_queue_[connect_op].get_descriptors(fds[except_op], ops); - if (fds[except_op].max_descriptor() > max_fd) - max_fd = fds[except_op].max_descriptor(); + op_queue_[connect_op].get_descriptors(fd_sets_[write_op], ops); + if (fd_sets_[write_op].max_descriptor() > max_fd) + max_fd = fd_sets_[write_op].max_descriptor(); + op_queue_[connect_op].get_descriptors(fd_sets_[except_op], ops); + if (fd_sets_[except_op].max_descriptor() > max_fd) + max_fd = fd_sets_[except_op].max_descriptor(); #endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__) // We can return immediately if there's no work to do and the reactor is @@ -174,11 +210,14 @@ void select_reactor::run(bool block, op_queue<operation>& ops) // Block on the select call until descriptors become ready. boost::system::error_code ec; int retval = socket_ops::select(static_cast<int>(max_fd + 1), - fds[read_op], fds[write_op], fds[except_op], tv, ec); + fd_sets_[read_op], fd_sets_[write_op], fd_sets_[except_op], tv, ec); // Reset the interrupter. - if (retval > 0 && fds[read_op].is_set(interrupter_.read_descriptor())) + if (retval > 0 && fd_sets_[read_op].is_set(interrupter_.read_descriptor())) + { interrupter_.reset(); + --retval; + } lock.lock(); @@ -188,15 +227,15 @@ void select_reactor::run(bool block, op_queue<operation>& ops) #if defined(BOOST_WINDOWS) || defined(__CYGWIN__) // Connection operations on Windows use both except and write fd_sets. op_queue_[connect_op].perform_operations_for_descriptors( - fds[except_op], ops); + fd_sets_[except_op], ops); op_queue_[connect_op].perform_operations_for_descriptors( - fds[write_op], ops); + fd_sets_[write_op], ops); #endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__) // Exception operations must be processed first to ensure that any // out-of-band data is read before normal data. for (int i = max_select_ops - 1; i >= 0; --i) - op_queue_[i].perform_operations_for_descriptors(fds[i], ops); + op_queue_[i].perform_operations_for_descriptors(fd_sets_[i], ops); } timer_queues_.get_ready_timers(ops); } |