diff options
Diffstat (limited to 'src/mailbox.cpp')
-rw-r--r-- | src/mailbox.cpp | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/src/mailbox.cpp b/src/mailbox.cpp deleted file mode 100644 index d1fd065..0000000 --- a/src/mailbox.cpp +++ /dev/null @@ -1,84 +0,0 @@ -/* - 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 <http://www.gnu.org/licenses/>. -*/ - -#include "mailbox.hpp" -#include "err.hpp" - -zmq::mailbox_t::mailbox_t () -{ - // Get the pipe into passive state. That way, if the users starts by - // polling on the associated file descriptor it will get woken up when - // new command is posted. - bool ok = cpipe.read (NULL); - zmq_assert (!ok); - active = false; -} - -zmq::mailbox_t::~mailbox_t () -{ - // TODO: Retrieve and deallocate commands inside the cpipe. - - // Work around problem that other threads might still be in our - // send() method, by waiting on the mutex before disappearing. - sync.lock (); - sync.unlock (); -} - -zmq::fd_t zmq::mailbox_t::get_fd () -{ - return signaler.get_fd (); -} - -void zmq::mailbox_t::send (const command_t &cmd_) -{ - sync.lock (); - cpipe.write (cmd_, false); - bool ok = cpipe.flush (); - sync.unlock (); - if (!ok) - signaler.send (); -} - -int zmq::mailbox_t::recv (command_t *cmd_, int timeout_) -{ - // Try to get the command straight away. - if (active) { - bool ok = cpipe.read (cmd_); - if (ok) - return 0; - - // If there are no more commands available, switch into passive state. - active = false; - signaler.recv (); - } - - // Wait for signal from the command sender. - int rc = signaler.wait (timeout_); - if (rc != 0 && (errno == EAGAIN || errno == EINTR)) - return -1; - - // We've got the signal. Now we can switch into active state. - active = true; - - // Get a command. - errno_assert (rc == 0); - bool ok = cpipe.read (cmd_); - zmq_assert (ok); - return 0; -} |