From 597cc5edd624525563e6549dc0057eca2a51c81d Mon Sep 17 00:00:00 2001 From: Micah Anderson Date: Tue, 11 Nov 2014 13:30:46 -0500 Subject: upgrade to new version --- src/reaper.cpp | 127 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 src/reaper.cpp (limited to 'src/reaper.cpp') diff --git a/src/reaper.cpp b/src/reaper.cpp new file mode 100644 index 0000000..62fa8e8 --- /dev/null +++ b/src/reaper.cpp @@ -0,0 +1,127 @@ +/* + Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the GNU Lesser 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 + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . +*/ + +#include "reaper.hpp" +#include "socket_base.hpp" +#include "err.hpp" + +zmq::reaper_t::reaper_t (class ctx_t *ctx_, uint32_t tid_) : + object_t (ctx_, tid_), + sockets (0), + terminating (false) +{ + poller = new (std::nothrow) poller_t; + alloc_assert (poller); + + mailbox_handle = poller->add_fd (mailbox.get_fd (), this); + poller->set_pollin (mailbox_handle); + +#ifdef HAVE_FORK + pid = getpid(); +#endif +} + +zmq::reaper_t::~reaper_t () +{ + delete poller; +} + +zmq::mailbox_t *zmq::reaper_t::get_mailbox () +{ + return &mailbox; +} + +void zmq::reaper_t::start () +{ + // Start the thread. + poller->start (); +} + +void zmq::reaper_t::stop () +{ + send_stop (); +} + +void zmq::reaper_t::in_event () +{ + while (true) { +#ifdef HAVE_FORK + if (unlikely(pid != getpid())) + { + //printf("zmq::reaper_t::in_event return in child process %d\n", (int)getpid()); + return; + } +#endif + + // Get the next command. If there is none, exit. + command_t cmd; + int rc = mailbox.recv (&cmd, 0); + if (rc != 0 && errno == EINTR) + continue; + if (rc != 0 && errno == EAGAIN) + break; + errno_assert (rc == 0); + + // Process the command. + cmd.destination->process_command (cmd); + } +} + +void zmq::reaper_t::out_event () +{ + zmq_assert (false); +} + +void zmq::reaper_t::timer_event (int) +{ + zmq_assert (false); +} + +void zmq::reaper_t::process_stop () +{ + terminating = true; + + // If there are no sockets being reaped finish immediately. + if (!sockets) { + send_done (); + poller->rm_fd (mailbox_handle); + poller->stop (); + } +} + +void zmq::reaper_t::process_reap (socket_base_t *socket_) +{ + // Add the socket to the poller. + socket_->start_reaping (poller); + + ++sockets; +} + +void zmq::reaper_t::process_reaped () +{ + --sockets; + + // If reaped was already asked to terminate and there are no more sockets, + // finish immediately. + if (!sockets && terminating) { + send_done (); + poller->rm_fd (mailbox_handle); + poller->stop (); + } +} -- cgit v1.2.3