summaryrefslogtreecommitdiff
path: root/src/ypollset.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/ypollset.cpp')
-rw-r--r--src/ypollset.cpp65
1 files changed, 0 insertions, 65 deletions
diff --git a/src/ypollset.cpp b/src/ypollset.cpp
deleted file mode 100644
index 51284a8..0000000
--- a/src/ypollset.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the Lesser GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- Lesser GNU General Public License for more details.
-
- You should have received a copy of the Lesser GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "ypollset.hpp"
-
-zmq::ypollset_t::ypollset_t ()
-{
-}
-
-zmq::ypollset_t::~ypollset_t ()
-{
-}
-
-void zmq::ypollset_t::signal (int signal_)
-{
- zmq_assert (signal_ >= 0 && signal_ < wait_signal);
- if (bits.btsr (signal_, wait_signal))
- sem.post ();
-}
-
-uint64_t zmq::ypollset_t::poll ()
-{
- signals_t result = 0;
- while (!result) {
- result = bits.izte (signals_t (1) << wait_signal, 0);
- if (!result) {
- sem.wait ();
- result = bits.xchg (0);
- }
-
- // If btsr was really atomic, result would never be 0 at this
- // point, i.e. no looping would be possible. However, to
- // support even CPU architectures without CAS instruction
- // we allow btsr to be composed of two independent atomic
- // operation (set and reset). In such case looping can occur
- // sporadically.
- }
- return (uint64_t) result;
-}
-
-uint64_t zmq::ypollset_t::check ()
-{
- return (uint64_t) bits.xchg (0);
-}
-
-zmq::fd_t zmq::ypollset_t::get_fd ()
-{
- return retired_fd;
-}