timer.cc
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- /*
- * Copyright (c) 1993-1994 Regents of the University of California.
- * 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. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and the Network Research Group at
- * Lawrence Berkeley Laboratory.
- * 4. Neither the name of the University nor of the Laboratory may be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
- */
- static const char rcsid[] =
- "@(#) $Header: /cvsroot/otcl-tclcl/tclcl/timer.cc,v 1.4 1997/09/27 10:19:52 tecklee Exp $ (LBL)";
- extern "C" {
- #include <sys/types.h>
- #ifndef WIN32
- #include <sys/time.h>
- #endif
- }
- #include "tclcl.h"
- #include "timer.h"
- Timer::Timer() : token_(0)
- {
- }
- Timer::~Timer()
- {
- if (token_ != 0)
- cancel();
- }
- void Timer::msched(int ms)
- {
- if (token_) Tcl_DeleteTimerHandler(token_);
- token_ = Tcl_CreateTimerHandler(ms, dispatch, (ClientData)this);
- }
- void Timer::dispatch(ClientData cd)
- {
- Timer* t = (Timer*)cd;
- t->token_ = 0;
- t->timeout();
- }
- void Timer::cancel()
- {
- if (token_ != 0) {
- Tcl_DeleteTimerHandler(token_);
- token_ = 0;
- }
- }
- double Timer::gettimeofday() const
- {
- timeval tv;
- ::gettimeofday(&tv, 0);
- return (1e6 * double(tv.tv_sec) + double(tv.tv_usec));
- }