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Diffstat (limited to 'boost/asio/detail/win_fd_set_adapter.hpp')
-rw-r--r--boost/asio/detail/win_fd_set_adapter.hpp66
1 files changed, 46 insertions, 20 deletions
diff --git a/boost/asio/detail/win_fd_set_adapter.hpp b/boost/asio/detail/win_fd_set_adapter.hpp
index afb40d0115..89f5ffdbef 100644
--- a/boost/asio/detail/win_fd_set_adapter.hpp
+++ b/boost/asio/detail/win_fd_set_adapter.hpp
@@ -2,7 +2,7 @@
// detail/win_fd_set_adapter.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2014 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)
@@ -17,9 +17,10 @@
#include <boost/asio/detail/config.hpp>
-#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+#if defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
#include <boost/asio/detail/noncopyable.hpp>
+#include <boost/asio/detail/reactor_op_queue.hpp>
#include <boost/asio/detail/socket_types.hpp>
#include <boost/asio/detail/push_options.hpp>
@@ -61,26 +62,22 @@ public:
if (fd_set_->fd_array[i] == descriptor)
return true;
- if (fd_set_->fd_count == capacity_)
- {
- u_int new_capacity = capacity_ + capacity_ / 2;
- win_fd_set* new_fd_set = static_cast<win_fd_set*>(::operator new(
- sizeof(win_fd_set) - sizeof(SOCKET)
- + sizeof(SOCKET) * (new_capacity)));
-
- new_fd_set->fd_count = fd_set_->fd_count;
- for (u_int i = 0; i < fd_set_->fd_count; ++i)
- new_fd_set->fd_array[i] = fd_set_->fd_array[i];
-
- ::operator delete(fd_set_);
- fd_set_ = new_fd_set;
- capacity_ = new_capacity;
- }
-
+ reserve(fd_set_->fd_count + 1);
fd_set_->fd_array[fd_set_->fd_count++] = descriptor;
return true;
}
+ void set(reactor_op_queue<socket_type>& operations, op_queue<operation>&)
+ {
+ reactor_op_queue<socket_type>::iterator i = operations.begin();
+ while (i != operations.end())
+ {
+ reactor_op_queue<socket_type>::iterator op_iter = i++;
+ reserve(fd_set_->fd_count + 1);
+ fd_set_->fd_array[fd_set_->fd_count++] = op_iter->first;
+ }
+ }
+
bool is_set(socket_type descriptor) const
{
return !!__WSAFDIsSet(descriptor,
@@ -97,8 +94,14 @@ public:
return max_descriptor_;
}
-private:
+ void perform(reactor_op_queue<socket_type>& operations,
+ op_queue<operation>& ops) const
+ {
+ for (u_int i = 0; i < fd_set_->fd_count; ++i)
+ operations.perform_operations(fd_set_->fd_array[i], ops);
+ }
+private:
// This structure is defined to be compatible with the Windows API fd_set
// structure, but without being dependent on the value of FD_SETSIZE. We use
// the "struct hack" to allow the number of descriptors to be varied at
@@ -109,6 +112,29 @@ private:
SOCKET fd_array[1];
};
+ // Increase the fd_set_ capacity to at least the specified number of elements.
+ void reserve(u_int n)
+ {
+ if (n <= capacity_)
+ return;
+
+ u_int new_capacity = capacity_ + capacity_ / 2;
+ if (new_capacity < n)
+ new_capacity = n;
+
+ win_fd_set* new_fd_set = static_cast<win_fd_set*>(::operator new(
+ sizeof(win_fd_set) - sizeof(SOCKET)
+ + sizeof(SOCKET) * (new_capacity)));
+
+ new_fd_set->fd_count = fd_set_->fd_count;
+ for (u_int i = 0; i < fd_set_->fd_count; ++i)
+ new_fd_set->fd_array[i] = fd_set_->fd_array[i];
+
+ ::operator delete(fd_set_);
+ fd_set_ = new_fd_set;
+ capacity_ = new_capacity;
+ }
+
win_fd_set* fd_set_;
u_int capacity_;
socket_type max_descriptor_;
@@ -120,6 +146,6 @@ private:
#include <boost/asio/detail/pop_options.hpp>
-#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+#endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
#endif // BOOST_ASIO_DETAIL_WIN_FD_SET_ADAPTER_HPP