IOHandler.c++
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上传日期:2020-05-20
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- /*
- * Copyright (c) 1987-1991 Stanford University
- * Copyright (c) 1991-1996 Silicon Graphics, Inc.
- * HylaFAX is a trademark of Silicon Graphics
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Stanford and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Stanford and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
- #include "IOHandler.h"
- // Implement conceptually abstract virtual functions in the base class
- // so derived classes don't have to implement unused ones.
- IOHandler::IOHandler() {}
- IOHandler::~IOHandler() {}
- int IOHandler::inputReady(int) {
- return -1;
- }
- int IOHandler::outputReady(int) {
- return -1;
- }
- int IOHandler::exceptionRaised(int) {
- return -1;
- }
- void IOHandler::timerExpired(long, long) {}
- void IOHandler::childStatus(pid_t, int) {}