| OZ++ Sample: EventDescriptor |
/****************************************************************************** * * Copyright (c) 2015 TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * EventDescriptor.cpp * *****************************************************************************/ #include <oz++/EventDescriptor.h> #include <oz++/Thread.h> #include <oz++/SignalSet.h> #include <oz++/SignalAction.h> // int main(int argc, char* argv[]) { try { EventDescriptor reader(0, 0); int fd = reader.getFD(); int rc = fork(); if (rc == ERROR) { throw IException("Failed to fork: %s", ERROR_STRING); } if (rc == 0) { //Child process EventDescriptor writer(fd); const uint64_t value = 123456789; const int count = 10; for (uint64_t i = value; i< (value+count); i++) { sleep(1); printf("Child process write %lu\n", i); writer.write(i); } writer.close(); } else { //Parenti process while (true) { try { uint64_t value; reader.read(value); printf("Parent proccess read %lu\n", value); } catch (Exception& ex) { caught(ex); } } } } catch (Exception& ex) { caught(ex); } return 0; }