| /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* ***** BEGIN LICENSE BLOCK ***** |
| * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| * |
| * The contents of this file are subject to the Mozilla Public License Version |
| * 1.1 (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * http://www.mozilla.org/MPL/ |
| * |
| * Software distributed under the License is distributed on an "AS IS" basis, |
| * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| * for the specific language governing rights and limitations under the |
| * License. |
| * |
| * The Original Code is the Netscape Portable Runtime (NSPR). |
| * |
| * The Initial Developer of the Original Code is |
| * Netscape Communications Corporation. |
| * Portions created by the Initial Developer are Copyright (C) 1998-2000 |
| * the Initial Developer. All Rights Reserved. |
| * |
| * Contributor(s): |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * either the GNU General Public License Version 2 or later (the "GPL"), or |
| * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| * in which case the provisions of the GPL or the LGPL are applicable instead |
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| * the terms of any one of the MPL, the GPL or the LGPL. |
| * |
| * ***** END LICENSE BLOCK ***** */ |
| |
| /* interval.cpp - a test program */ |
| |
| #include "rclock.h" |
| #include "rcthread.h" |
| #include "rcinrval.h" |
| #include "rccv.h" |
| |
| #include <prio.h> |
| #include <prlog.h> |
| #include <prprf.h> |
| |
| #define DEFAULT_ITERATIONS 100 |
| |
| PRIntn main(PRIntn argc, char **argv) |
| { |
| RCLock ml; |
| PRStatus rv; |
| RCCondition cv(&ml); |
| |
| RCInterval now, timeout, epoch, elapsed; |
| PRFileDesc *output = PR_GetSpecialFD(PR_StandardOutput); |
| PRIntn msecs, seconds, loops, iterations = DEFAULT_ITERATIONS; |
| |
| /* slow, agonizing waits */ |
| for (seconds = 0; seconds < 10; ++seconds) |
| { |
| timeout = RCInterval::FromSeconds(seconds); |
| cv.SetTimeout(timeout); |
| { |
| RCEnter lock(&ml); |
| |
| epoch.SetToNow(); |
| |
| rv = cv.Wait(); |
| PR_ASSERT(PR_SUCCESS == rv); |
| |
| now = RCInterval(RCInterval::now); |
| elapsed = now - epoch; |
| } |
| |
| PR_fprintf( |
| output, "Waiting %u seconds took %s%u milliseconds\n", |
| seconds, ((elapsed < timeout)? "**" : ""), |
| elapsed.ToMilliseconds()); |
| } |
| |
| /* more slow, agonizing sleeps */ |
| for (seconds = 0; seconds < 10; ++seconds) |
| { |
| timeout = RCInterval::FromSeconds(seconds); |
| { |
| epoch.SetToNow(); |
| |
| rv = RCThread::Sleep(timeout); |
| PR_ASSERT(PR_SUCCESS == rv); |
| |
| now = RCInterval(RCInterval::now); |
| elapsed = now - epoch; |
| } |
| |
| PR_fprintf( |
| output, "Sleeping %u seconds took %s%u milliseconds\n", |
| seconds, ((elapsed < timeout)? "**" : ""), |
| elapsed.ToMilliseconds()); |
| } |
| |
| /* fast, spritely little devils */ |
| for (msecs = 10; msecs < 100; msecs += 10) |
| { |
| timeout = RCInterval::FromMilliseconds(msecs); |
| cv.SetTimeout(timeout); |
| { |
| RCEnter lock(&ml); |
| |
| epoch.SetToNow(); |
| |
| for (loops = 0; loops < iterations; ++loops) |
| { |
| rv = cv.Wait(); |
| PR_ASSERT(PR_SUCCESS == rv); |
| } |
| |
| now = RCInterval(RCInterval::now); |
| elapsed = now - epoch; |
| } |
| elapsed /= iterations; |
| |
| PR_fprintf( |
| output, "Waiting %u msecs took %s%u milliseconds average\n", |
| msecs, ((elapsed < timeout)? "**" : ""), elapsed.ToMilliseconds()); |
| } |
| return 0; |
| } /* main */ |
| |
| /* interval.cpp */ |
| |