138 lines
2.7 KiB
C++
138 lines
2.7 KiB
C++
/*
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* Copyright 2008 Free Software Foundation, Inc.
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*
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*
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* This software is distributed under the terms of the GNU Affero Public License.
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* See the COPYING file in the main directory for details.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero 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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This program 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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero 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 "Threads.h"
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#include "Interthread.h"
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#include <iostream>
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using namespace std;
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InterthreadQueue<int> gQ;
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InterthreadMap<int,int> gMap;
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int q_last_read_val = -1;
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int q_last_write_val;
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int m_last_read_val;
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int m_last_write_val;
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void* qWriter(void*)
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{
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int *p;
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for (int i=0; i<20; i++) {
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p = new int;
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*p = i;
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CERR("queue write " << *p);
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gQ.write(p);
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q_last_write_val = i;
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if (random()%2) sleep(1);
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}
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p = new int;
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*p = -1;
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gQ.write(p);
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return NULL;
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}
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void* qReader(void*)
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{
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bool done = false;
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while (!done) {
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int *p = gQ.read();
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CERR("queue read " << *p);
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if (*p<0) {
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assert(q_last_read_val == 19 && *p == -1);
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done = true;
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} else {
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assert(q_last_read_val == *p - 1);
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q_last_read_val = *p;
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}
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delete p;
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}
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return NULL;
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}
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void* mapWriter(void*)
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{
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int *p;
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for (int i=0; i<20; i++) {
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p = new int;
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*p = i;
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CERR("map write " << *p);
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gMap.write(i,p);
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m_last_write_val = i;
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if (random()%2) sleep(1);
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}
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return NULL;
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}
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void* mapReader(void*)
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{
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for (int i=0; i<20; i++) {
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int *p = gMap.read(i);
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CERR("map read " << *p);
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assert(*p == i);
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m_last_read_val = *p;
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// InterthreadMap will delete the pointers
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// delete p;
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}
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return NULL;
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}
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int main(int argc, char *argv[])
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{
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Thread qReaderThread;
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qReaderThread.start(qReader,NULL);
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Thread mapReaderThread;
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mapReaderThread.start(mapReader,NULL);
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Thread qWriterThread;
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qWriterThread.start(qWriter,NULL);
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Thread mapWriterThread;
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mapWriterThread.start(mapWriter,NULL);
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qReaderThread.join();
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qWriterThread.join();
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mapReaderThread.join();
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mapWriterThread.join();
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assert(q_last_write_val == 19);
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assert(q_last_read_val == 19);
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assert(m_last_write_val == 19);
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assert(m_last_read_val == 19);
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printf("Done\n");
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}
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// vim: ts=4 sw=4
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