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lockfree interaction patter for 3 theads implemented

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This commit is contained in:
Martin Sustrik
2009-08-08 16:01:58 +02:00
parent 0b5cc026fb
commit a8b410e66c
21 changed files with 593 additions and 292 deletions
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37
src/app_thread.cpp
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@@ -17,6 +17,8 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <algorithm>
#include "../include/zmq.h"
#if defined ZMQ_HAVE_WINDOWS
@@ -26,10 +28,12 @@
#endif
#include "app_thread.hpp"
#include "context.hpp"
#include "i_api.hpp"
#include "dispatcher.hpp"
#include "err.hpp"
#include "pipe.hpp"
#include "config.hpp"
#include "socket_base.hpp"
// If the RDTSC is available we use it to prevent excessive
// polling for commands. The nice thing here is that it will work on any
@@ -39,8 +43,8 @@
#define ZMQ_DELAY_COMMANDS
#endif
zmq::app_thread_t::app_thread_t (context_t *context_, int thread_slot_) :
object_t (context_, thread_slot_),
zmq::app_thread_t::app_thread_t (dispatcher_t *dispatcher_, int thread_slot_) :
object_t (dispatcher_, thread_slot_),
tid (0),
last_processing_time (0)
{
@@ -48,13 +52,9 @@ zmq::app_thread_t::app_thread_t (context_t *context_, int thread_slot_) :
zmq::app_thread_t::~app_thread_t ()
{
// Ask all the sockets to start termination, then wait till it is complete.
for (sockets_t::iterator it = sockets.begin (); it != sockets.end (); it ++)
(*it)->stop ();
// Destroy all the sockets owned by this application thread.
for (sockets_t::iterator it = sockets.begin (); it != sockets.end (); it ++)
delete *it;
delete this;
}
zmq::i_signaler *zmq::app_thread_t::get_signaler ()
@@ -123,9 +123,28 @@ void zmq::app_thread_t::process_commands (bool block_)
for (int i = 0; i != thread_slot_count (); i++) {
if (signals & (ypollset_t::signals_t (1) << i)) {
command_t cmd;
while (context->read (i, get_thread_slot (), &cmd))
while (dispatcher->read (i, get_thread_slot (), &cmd))
cmd.destination->process_command (cmd);
}
}
}
}
zmq::i_api *zmq::app_thread_t::create_socket (int type_)
{
// TODO: type is ignored for the time being.
socket_base_t *s = new socket_base_t (this);
zmq_assert (s);
sockets.push_back (s);
return s;
}
void zmq::app_thread_t::remove_socket (i_api *socket_)
{
// TODO: To speed this up we can possibly use the system where each socket
// holds its index (see I/O scheduler implementation).
sockets_t::iterator it = std::find (sockets.begin (), sockets.end (),
socket_);
zmq_assert (it != sockets.end ());
sockets.erase (it);
}