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/* -*- 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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "prinit.h"
#include "prprf.h"
#include "prthread.h"
#include "prcvar.h"
#include "prlock.h"
#include "prlog.h"
#include "prmem.h"
#include "primpl.h"
#include "plgetopt.h"
#include <stdlib.h>
static PRInt32 Random(void)
{
PRInt32 ran = rand() >> 16;
return ran;
} /* Random */
static void Help(void)
{
PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);
PR_fprintf(err, "many_cv usage: [-c n] [-l n] [-h]\n");
PR_fprintf(err, "\t-c n Number of conditions per lock (default: 10)\n");
PR_fprintf(err, "\t-l n Number of times to loop the test (default: 1)\n");
PR_fprintf(err, "\t-h This message and nothing else\n");
} /* Help */
static PRIntn PR_CALLBACK RealMain( PRIntn argc, char **argv )
{
PLOptStatus os;
PRIntn index, nl;
PRLock *ml = NULL;
PRCondVar **cv = NULL;
PRBool stats = PR_FALSE;
PRIntn nc, loops = 1, cvs = 10;
PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);
PLOptState *opt = PL_CreateOptState(argc, argv, "hsc:l:");
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
{
if (PL_OPT_BAD == os) continue;
switch (opt->option)
{
case 's': /* number of CVs to association with lock */
stats = PR_TRUE;
break;
case 'c': /* number of CVs to association with lock */
cvs = atoi(opt->value);
break;
case 'l': /* number of times to run the tests */
loops = atoi(opt->value);
break;
case 'h': /* user wants some guidance */
default:
Help(); /* so give him an earful */
return 2; /* but not a lot else */
}
}
PL_DestroyOptState(opt);
PR_fprintf(err, "Settings\n");
PR_fprintf(err, "\tConditions / lock: %d\n", cvs);
PR_fprintf(err, "\tLoops to run test: %d\n", loops);
ml = PR_NewLock();
PR_ASSERT(NULL != ml);
cv = (PRCondVar**)PR_CALLOC(sizeof(PRCondVar*) * cvs);
PR_ASSERT(NULL != cv);
for (index = 0; index < cvs; ++index)
{
cv[index] = PR_NewCondVar(ml);
PR_ASSERT(NULL != cv[index]);
}
for (index = 0; index < loops; ++index)
{
PR_Lock(ml);
for (nl = 0; nl < cvs; ++nl)
{
PRInt32 ran = Random() % 8;
if (0 == ran) PR_NotifyAllCondVar(cv[nl]);
else for (nc = 0; nc < ran; ++nc)
PR_NotifyCondVar(cv[nl]);
}
PR_Unlock(ml);
}
for (index = 0; index < cvs; ++index)
PR_DestroyCondVar(cv[index]);
PR_DELETE(cv);
PR_DestroyLock(ml);
printf("PASS\n");
PT_FPrintStats(err, "\nPThread Statistics\n");
return 0;
}
PRIntn main(PRIntn argc, char **argv)
{
PRIntn rv;
PR_STDIO_INIT();
rv = PR_Initialize(RealMain, argc, argv, 0);
return rv;
} /* main */
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