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https://github.com/zeromq/libzmq.git
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7c0c798120
Storing commands in OS socket buffers caused whole lot of problems when free space in the buffer ran out. This patch stores commands in ypipes instead and uses socketpair just to signal the other thread, ie. at most one byte is stored in the socketpair at any single instant. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
/*
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Copyright (c) 2007-2011 iMatix Corporation
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Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../include/zmq.h"
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#include <assert.h>
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#include <pthread.h>
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#include <stddef.h>
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#define THREAD_COUNT 100
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extern "C"
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{
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static void *worker (void *s)
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{
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int rc;
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rc = zmq_connect (s, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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// Start closing the socket while the connecting process is underway.
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rc = zmq_close (s);
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assert (rc == 0);
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return NULL;
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}
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}
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int main (int argc, char *argv [])
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{
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void *ctx;
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void *s1;
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void *s2;
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int i;
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int j;
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int rc;
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pthread_t threads [THREAD_COUNT];
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for (j = 0; j != 10; j++) {
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// Check the shutdown with many parallel I/O threads.
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ctx = zmq_init (7);
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assert (ctx);
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s1 = zmq_socket (ctx, ZMQ_PUB);
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assert (s1);
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rc = zmq_bind (s1, "tcp://127.0.0.1:5560");
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assert (rc == 0);
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for (i = 0; i != THREAD_COUNT; i++) {
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s2 = zmq_socket (ctx, ZMQ_SUB);
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assert (s2);
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rc = pthread_create (&threads [i], NULL, worker, s2);
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assert (rc == 0);
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}
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for (i = 0; i != THREAD_COUNT; i++) {
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rc = pthread_join (threads [i], NULL);
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assert (rc == 0);
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}
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rc = zmq_close (s1);
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assert (rc == 0);
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rc = zmq_term (ctx);
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assert (rc == 0);
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}
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return 0;
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}
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