michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "prinit.h"
michael@0: #include "prprf.h"
michael@0: #include "prthread.h"
michael@0: #include "prcvar.h"
michael@0: #include "prlock.h"
michael@0: #include "prlog.h"
michael@0: #include "prmem.h"
michael@0: 
michael@0: #include "primpl.h"
michael@0: 
michael@0: #include "plgetopt.h"
michael@0: 
michael@0: #include <stdlib.h>
michael@0: 
michael@0: static PRInt32 RandomNum(void)
michael@0: {
michael@0:     PRInt32 ran = rand() >> 16;
michael@0:     return ran;
michael@0: }  /* RandomNum */
michael@0: 
michael@0: static void Help(void)
michael@0: {
michael@0:     PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);
michael@0:     PR_fprintf(err, "many_cv usage: [-c n] [-l n] [-h]\n");
michael@0:     PR_fprintf(err, "\t-c n Number of conditions per lock       (default: 10)\n");
michael@0:     PR_fprintf(err, "\t-l n Number of times to loop the test    (default:  1)\n");
michael@0:     PR_fprintf(err, "\t-h   This message and nothing else\n");
michael@0: }  /* Help */
michael@0: 
michael@0: static PRIntn PR_CALLBACK RealMain( PRIntn argc, char **argv )
michael@0: {
michael@0:     PLOptStatus os;
michael@0:     PRIntn index, nl;
michael@0:     PRLock *ml = NULL;
michael@0:     PRCondVar **cv = NULL;
michael@0:     PRBool stats = PR_FALSE;
michael@0:     PRIntn nc, loops = 1, cvs = 10;
michael@0:     PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);
michael@0:     PLOptState *opt = PL_CreateOptState(argc, argv, "hsc:l:");
michael@0: 
michael@0:     while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
michael@0:     {
michael@0:         if (PL_OPT_BAD == os) continue;
michael@0:         switch (opt->option)
michael@0:         {
michael@0:         case 's':  /* number of CVs to association with lock */
michael@0:             stats = PR_TRUE;
michael@0:             break;
michael@0:         case 'c':  /* number of CVs to association with lock */
michael@0:             cvs = atoi(opt->value);
michael@0:             break;
michael@0:         case 'l':  /* number of times to run the tests */
michael@0:             loops = atoi(opt->value);
michael@0:             break;
michael@0:         case 'h':  /* user wants some guidance */
michael@0:          default:
michael@0:             Help();  /* so give him an earful */
michael@0:             return 2;  /* but not a lot else */
michael@0:         }
michael@0:     }
michael@0:     PL_DestroyOptState(opt);
michael@0: 
michael@0:     PR_fprintf(err, "Settings\n");
michael@0:     PR_fprintf(err, "\tConditions / lock: %d\n", cvs);
michael@0:     PR_fprintf(err, "\tLoops to run test: %d\n", loops);
michael@0: 
michael@0:     ml = PR_NewLock();
michael@0:     PR_ASSERT(NULL != ml);
michael@0: 
michael@0:     cv = (PRCondVar**)PR_CALLOC(sizeof(PRCondVar*) * cvs);
michael@0:     PR_ASSERT(NULL != cv);
michael@0: 
michael@0:     for (index = 0; index < cvs; ++index)
michael@0:     {
michael@0:         cv[index] = PR_NewCondVar(ml);
michael@0:         PR_ASSERT(NULL != cv[index]);
michael@0:     }
michael@0: 
michael@0:     for (index = 0; index < loops; ++index)
michael@0:     {
michael@0:         PR_Lock(ml);
michael@0:         for (nl = 0; nl < cvs; ++nl)
michael@0:         {
michael@0:             PRInt32 ran = RandomNum() % 8;
michael@0:             if (0 == ran) PR_NotifyAllCondVar(cv[nl]);
michael@0:             else for (nc = 0; nc < ran; ++nc)
michael@0:                 PR_NotifyCondVar(cv[nl]);
michael@0:         }
michael@0:         PR_Unlock(ml);
michael@0:     }
michael@0: 
michael@0:     for (index = 0; index < cvs; ++index)
michael@0:         PR_DestroyCondVar(cv[index]);
michael@0: 
michael@0:     PR_DELETE(cv);
michael@0: 
michael@0:     PR_DestroyLock(ml);
michael@0:     
michael@0:     printf("PASS\n");
michael@0: 
michael@0:     PT_FPrintStats(err, "\nPThread Statistics\n");
michael@0:     return 0;
michael@0: }
michael@0: 
michael@0: 
michael@0: int main(int argc, char **argv)
michael@0: {
michael@0:     PRIntn rv;
michael@0:     
michael@0:     PR_STDIO_INIT();
michael@0:     rv = PR_Initialize(RealMain, argc, argv, 0);
michael@0:     return rv;
michael@0: }  /* main */