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110 lines
3.7 KiB
C
110 lines
3.7 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* This is a regression test for the bug that the interval timer
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* is not initialized when _PR_CreateCPU calls PR_IntervalNow.
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* The bug would make this test program finish prematurely,
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* when the SHORT_TIMEOUT period expires. The correct behavior
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* is for the test to finish when the LONG_TIMEOUT period expires.
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*/
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#include "prlock.h"
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#include "prcvar.h"
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#include "prthread.h"
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#include "prinrval.h"
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#include "prlog.h"
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#include <stdio.h>
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#include <stdlib.h>
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/* The timeouts, in milliseconds */
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#define SHORT_TIMEOUT 1000
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#define LONG_TIMEOUT 3000
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PRLock *lock1, *lock2;
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PRCondVar *cv1, *cv2;
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void ThreadFunc(void *arg)
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{
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PR_Lock(lock1);
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PR_WaitCondVar(cv1, PR_MillisecondsToInterval(SHORT_TIMEOUT));
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PR_Unlock(lock1);
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}
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int main()
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{
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PRThread *thread;
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PRIntervalTime start, end;
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PRUint32 elapsed_ms;
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lock1 = PR_NewLock();
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PR_ASSERT(NULL != lock1);
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cv1 = PR_NewCondVar(lock1);
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PR_ASSERT(NULL != cv1);
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lock2 = PR_NewLock();
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PR_ASSERT(NULL != lock2);
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cv2 = PR_NewCondVar(lock2);
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PR_ASSERT(NULL != cv2);
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start = PR_IntervalNow();
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thread = PR_CreateThread(
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PR_USER_THREAD,
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ThreadFunc,
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NULL,
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PR_PRIORITY_NORMAL,
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PR_LOCAL_THREAD,
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PR_JOINABLE_THREAD,
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0);
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PR_ASSERT(NULL != thread);
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PR_Lock(lock2);
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PR_WaitCondVar(cv2, PR_MillisecondsToInterval(LONG_TIMEOUT));
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PR_Unlock(lock2);
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PR_JoinThread(thread);
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end = PR_IntervalNow();
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elapsed_ms = PR_IntervalToMilliseconds((PRIntervalTime)(end - start));
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/* Allow 100ms imprecision */
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if (elapsed_ms < LONG_TIMEOUT - 100 || elapsed_ms > LONG_TIMEOUT + 100) {
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printf("Elapsed time should be %u ms but is %u ms\n",
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LONG_TIMEOUT, elapsed_ms);
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printf("FAIL\n");
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exit(1);
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}
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printf("Elapsed time: %u ms, expected time: %u ms\n",
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LONG_TIMEOUT, elapsed_ms);
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printf("PASS\n");
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return 0;
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}
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