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Diffstat (limited to '3rdParty/Boost/src/boost/asio/detail/epoll_reactor.hpp')
-rw-r--r--3rdParty/Boost/src/boost/asio/detail/epoll_reactor.hpp35
1 files changed, 30 insertions, 5 deletions
diff --git a/3rdParty/Boost/src/boost/asio/detail/epoll_reactor.hpp b/3rdParty/Boost/src/boost/asio/detail/epoll_reactor.hpp
index 1889017..0c3dcec 100644
--- a/3rdParty/Boost/src/boost/asio/detail/epoll_reactor.hpp
+++ b/3rdParty/Boost/src/boost/asio/detail/epoll_reactor.hpp
@@ -19,6 +19,7 @@
#if defined(BOOST_ASIO_HAS_EPOLL)
+#include <boost/limits.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/asio/detail/epoll_reactor_fwd.hpp>
#include <boost/asio/detail/mutex.hpp>
@@ -51,6 +52,7 @@ public:
friend class epoll_reactor;
friend class object_pool_access;
mutex mutex_;
+ int descriptor_;
op_queue<reactor_op> op_queue_[max_ops];
bool shutdown_;
descriptor_state* next_;
@@ -69,6 +71,10 @@ public:
// Destroy all user-defined handler objects owned by the service.
BOOST_ASIO_DECL void shutdown_service();
+ // Recreate internal descriptors following a fork.
+ BOOST_ASIO_DECL void fork_service(
+ boost::asio::io_service::fork_event fork_ev);
+
// Initialise the task.
BOOST_ASIO_DECL void init_task();
@@ -77,6 +83,17 @@ public:
BOOST_ASIO_DECL int register_descriptor(socket_type descriptor,
per_descriptor_data& descriptor_data);
+ // Register a descriptor with an associated single operation. Returns 0 on
+ // success, system error code on failure.
+ BOOST_ASIO_DECL int register_internal_descriptor(
+ int op_type, socket_type descriptor,
+ per_descriptor_data& descriptor_data, reactor_op* op);
+
+ // Move descriptor registration from one descriptor_data object to another.
+ BOOST_ASIO_DECL void move_descriptor(socket_type descriptor,
+ per_descriptor_data& target_descriptor_data,
+ per_descriptor_data& source_descriptor_data);
+
// Post a reactor operation for immediate completion.
void post_immediate_completion(reactor_op* op)
{
@@ -86,8 +103,8 @@ public:
// Start a new operation. The reactor operation will be performed when the
// given descriptor is flagged as ready, or an error has occurred.
BOOST_ASIO_DECL void start_op(int op_type, socket_type descriptor,
- per_descriptor_data& descriptor_data,
- reactor_op* op, bool allow_speculative);
+ per_descriptor_data& descriptor_data, reactor_op* op,
+ bool allow_speculative);
// Cancel all operations associated with the given descriptor. The
// handlers associated with the descriptor will be invoked with the
@@ -97,8 +114,12 @@ public:
// Cancel any operations that are running against the descriptor and remove
// its registration from the reactor.
- BOOST_ASIO_DECL void close_descriptor(socket_type descriptor,
- per_descriptor_data& descriptor_data);
+ BOOST_ASIO_DECL void deregister_descriptor(socket_type descriptor,
+ per_descriptor_data& descriptor_data, bool closing);
+
+ // Remote the descriptor's registration from the reactor.
+ BOOST_ASIO_DECL void deregister_internal_descriptor(
+ socket_type descriptor, per_descriptor_data& descriptor_data);
// Add a new timer queue to the reactor.
template <typename Time_Traits>
@@ -119,7 +140,8 @@ public:
// number of operations that have been posted or dispatched.
template <typename Time_Traits>
std::size_t cancel_timer(timer_queue<Time_Traits>& queue,
- typename timer_queue<Time_Traits>::per_timer_data& timer);
+ typename timer_queue<Time_Traits>::per_timer_data& timer,
+ std::size_t max_cancelled = (std::numeric_limits<std::size_t>::max)());
// Run epoll once until interrupted or events are ready to be dispatched.
BOOST_ASIO_DECL void run(bool block, op_queue<operation>& ops);
@@ -135,6 +157,9 @@ private:
// cannot be created.
BOOST_ASIO_DECL static int do_epoll_create();
+ // Create the timerfd file descriptor. Does not throw.
+ BOOST_ASIO_DECL static int do_timerfd_create();
+
// Helper function to add a new timer queue.
BOOST_ASIO_DECL void do_add_timer_queue(timer_queue_base& queue);