The Tor Browser / file comparison
comparison: nsprpub/pr/tests/many_cv.c
nsprpub/pr/tests/many_cv.c
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
equal
deleted
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replaced
| -1:000000000000 | 0:9e9e366071d0 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "prinit.h" | |
| 7 #include "prprf.h" | |
| 8 #include "prthread.h" | |
| 9 #include "prcvar.h" | |
| 10 #include "prlock.h" | |
| 11 #include "prlog.h" | |
| 12 #include "prmem.h" | |
| 13 | |
| 14 #include "primpl.h" | |
| 15 | |
| 16 #include "plgetopt.h" | |
| 17 | |
| 18 #include <stdlib.h> | |
| 19 | |
| 20 static PRInt32 RandomNum(void) | |
| 21 { | |
| 22 PRInt32 ran = rand() >> 16; | |
| 23 return ran; | |
| 24 } /* RandomNum */ | |
| 25 | |
| 26 static void Help(void) | |
| 27 { | |
| 28 PRFileDesc *err = PR_GetSpecialFD(PR_StandardError); | |
| 29 PR_fprintf(err, "many_cv usage: [-c n] [-l n] [-h]\n"); | |
| 30 PR_fprintf(err, "\t-c n Number of conditions per lock (default: 10)\n"); | |
| 31 PR_fprintf(err, "\t-l n Number of times to loop the test (default: 1)\n"); | |
| 32 PR_fprintf(err, "\t-h This message and nothing else\n"); | |
| 33 } /* Help */ | |
| 34 | |
| 35 static PRIntn PR_CALLBACK RealMain( PRIntn argc, char **argv ) | |
| 36 { | |
| 37 PLOptStatus os; | |
| 38 PRIntn index, nl; | |
| 39 PRLock *ml = NULL; | |
| 40 PRCondVar **cv = NULL; | |
| 41 PRBool stats = PR_FALSE; | |
| 42 PRIntn nc, loops = 1, cvs = 10; | |
| 43 PRFileDesc *err = PR_GetSpecialFD(PR_StandardError); | |
| 44 PLOptState *opt = PL_CreateOptState(argc, argv, "hsc:l:"); | |
| 45 | |
| 46 while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) | |
| 47 { | |
| 48 if (PL_OPT_BAD == os) continue; | |
| 49 switch (opt->option) | |
| 50 { | |
| 51 case 's': /* number of CVs to association with lock */ | |
| 52 stats = PR_TRUE; | |
| 53 break; | |
| 54 case 'c': /* number of CVs to association with lock */ | |
| 55 cvs = atoi(opt->value); | |
| 56 break; | |
| 57 case 'l': /* number of times to run the tests */ | |
| 58 loops = atoi(opt->value); | |
| 59 break; | |
| 60 case 'h': /* user wants some guidance */ | |
| 61 default: | |
| 62 Help(); /* so give him an earful */ | |
| 63 return 2; /* but not a lot else */ | |
| 64 } | |
| 65 } | |
| 66 PL_DestroyOptState(opt); | |
| 67 | |
| 68 PR_fprintf(err, "Settings\n"); | |
| 69 PR_fprintf(err, "\tConditions / lock: %d\n", cvs); | |
| 70 PR_fprintf(err, "\tLoops to run test: %d\n", loops); | |
| 71 | |
| 72 ml = PR_NewLock(); | |
| 73 PR_ASSERT(NULL != ml); | |
| 74 | |
| 75 cv = (PRCondVar**)PR_CALLOC(sizeof(PRCondVar*) * cvs); | |
| 76 PR_ASSERT(NULL != cv); | |
| 77 | |
| 78 for (index = 0; index < cvs; ++index) | |
| 79 { | |
| 80 cv[index] = PR_NewCondVar(ml); | |
| 81 PR_ASSERT(NULL != cv[index]); | |
| 82 } | |
| 83 | |
| 84 for (index = 0; index < loops; ++index) | |
| 85 { | |
| 86 PR_Lock(ml); | |
| 87 for (nl = 0; nl < cvs; ++nl) | |
| 88 { | |
| 89 PRInt32 ran = RandomNum() % 8; | |
| 90 if (0 == ran) PR_NotifyAllCondVar(cv[nl]); | |
| 91 else for (nc = 0; nc < ran; ++nc) | |
| 92 PR_NotifyCondVar(cv[nl]); | |
| 93 } | |
| 94 PR_Unlock(ml); | |
| 95 } | |
| 96 | |
| 97 for (index = 0; index < cvs; ++index) | |
| 98 PR_DestroyCondVar(cv[index]); | |
| 99 | |
| 100 PR_DELETE(cv); | |
| 101 | |
| 102 PR_DestroyLock(ml); | |
| 103 | |
| 104 printf("PASS\n"); | |
| 105 | |
| 106 PT_FPrintStats(err, "\nPThread Statistics\n"); | |
| 107 return 0; | |
| 108 } | |
| 109 | |
| 110 | |
| 111 int main(int argc, char **argv) | |
| 112 { | |
| 113 PRIntn rv; | |
| 114 | |
| 115 PR_STDIO_INIT(); | |
| 116 rv = PR_Initialize(RealMain, argc, argv, 0); | |
| 117 return rv; | |
| 118 } /* main */ |
