зеркало из https://github.com/mozilla/gecko-dev.git
125 строки
3.2 KiB
C
125 строки
3.2 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#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 RandomNum(void)
|
|
{
|
|
PRInt32 ran = rand() >> 16;
|
|
return ran;
|
|
} /* RandomNum */
|
|
|
|
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 = RandomNum() % 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;
|
|
}
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
PRIntn rv;
|
|
|
|
PR_STDIO_INIT();
|
|
rv = PR_Initialize(RealMain, argc, argv, 0);
|
|
return rv;
|
|
} /* main */
|