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comparison: nsprpub/pr/tests/threads.c
nsprpub/pr/tests/threads.c
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| 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 "nspr.h" | |
| 7 #include "prinrval.h" | |
| 8 #include "plgetopt.h" | |
| 9 #include "pprthred.h" | |
| 10 #include <stdio.h> | |
| 11 #include <stdlib.h> | |
| 12 #include <string.h> | |
| 13 | |
| 14 PRMonitor *mon; | |
| 15 PRInt32 count, iterations, alive; | |
| 16 | |
| 17 PRBool debug_mode = PR_FALSE, passed = PR_TRUE; | |
| 18 | |
| 19 void | |
| 20 PR_CALLBACK | |
| 21 ReallyDumbThread(void *arg) | |
| 22 { | |
| 23 return; | |
| 24 } | |
| 25 | |
| 26 void | |
| 27 PR_CALLBACK | |
| 28 DumbThread(void *arg) | |
| 29 { | |
| 30 PRInt32 tmp = (PRInt32)arg; | |
| 31 PRThreadScope scope = (PRThreadScope)tmp; | |
| 32 PRThread *thr; | |
| 33 | |
| 34 thr = PR_CreateThread(PR_USER_THREAD, | |
| 35 ReallyDumbThread, | |
| 36 NULL, | |
| 37 PR_PRIORITY_NORMAL, | |
| 38 scope, | |
| 39 PR_JOINABLE_THREAD, | |
| 40 0); | |
| 41 | |
| 42 if (!thr) { | |
| 43 if (debug_mode) { | |
| 44 printf("Could not create really dumb thread (%d, %d)!\n", | |
| 45 PR_GetError(), PR_GetOSError()); | |
| 46 } | |
| 47 passed = PR_FALSE; | |
| 48 } else { | |
| 49 PR_JoinThread(thr); | |
| 50 } | |
| 51 PR_EnterMonitor(mon); | |
| 52 alive--; | |
| 53 PR_Notify(mon); | |
| 54 PR_ExitMonitor(mon); | |
| 55 } | |
| 56 | |
| 57 static void CreateThreads(PRThreadScope scope1, PRThreadScope scope2) | |
| 58 { | |
| 59 PRThread *thr; | |
| 60 int n; | |
| 61 | |
| 62 alive = 0; | |
| 63 mon = PR_NewMonitor(); | |
| 64 | |
| 65 alive = count; | |
| 66 for (n=0; n<count; n++) { | |
| 67 thr = PR_CreateThread(PR_USER_THREAD, | |
| 68 DumbThread, | |
| 69 (void *)scope2, | |
| 70 PR_PRIORITY_NORMAL, | |
| 71 scope1, | |
| 72 PR_UNJOINABLE_THREAD, | |
| 73 0); | |
| 74 if (!thr) { | |
| 75 if (debug_mode) { | |
| 76 printf("Could not create dumb thread (%d, %d)!\n", | |
| 77 PR_GetError(), PR_GetOSError()); | |
| 78 } | |
| 79 passed = PR_FALSE; | |
| 80 alive--; | |
| 81 } | |
| 82 | |
| 83 PR_Sleep(0); | |
| 84 } | |
| 85 | |
| 86 /* Wait for all threads to exit */ | |
| 87 PR_EnterMonitor(mon); | |
| 88 while (alive) { | |
| 89 PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT); | |
| 90 } | |
| 91 | |
| 92 PR_ExitMonitor(mon); | |
| 93 PR_DestroyMonitor(mon); | |
| 94 } | |
| 95 | |
| 96 static void CreateThreadsUU(void) | |
| 97 { | |
| 98 CreateThreads(PR_LOCAL_THREAD, PR_LOCAL_THREAD); | |
| 99 } | |
| 100 | |
| 101 static void CreateThreadsUK(void) | |
| 102 { | |
| 103 CreateThreads(PR_LOCAL_THREAD, PR_GLOBAL_THREAD); | |
| 104 } | |
| 105 | |
| 106 static void CreateThreadsKU(void) | |
| 107 { | |
| 108 CreateThreads(PR_GLOBAL_THREAD, PR_LOCAL_THREAD); | |
| 109 } | |
| 110 | |
| 111 static void CreateThreadsKK(void) | |
| 112 { | |
| 113 CreateThreads(PR_GLOBAL_THREAD, PR_GLOBAL_THREAD); | |
| 114 } | |
| 115 | |
| 116 /************************************************************************/ | |
| 117 | |
| 118 static void Measure(void (*func)(void), const char *msg) | |
| 119 { | |
| 120 PRIntervalTime start, stop; | |
| 121 double d; | |
| 122 | |
| 123 start = PR_IntervalNow(); | |
| 124 (*func)(); | |
| 125 stop = PR_IntervalNow(); | |
| 126 | |
| 127 if (debug_mode) | |
| 128 { | |
| 129 d = (double)PR_IntervalToMicroseconds(stop - start); | |
| 130 printf("%40s: %6.2f usec\n", msg, d / count); | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 int main(int argc, char **argv) | |
| 135 { | |
| 136 int index; | |
| 137 | |
| 138 PR_STDIO_INIT(); | |
| 139 PR_Init(PR_USER_THREAD, PR_PRIORITY_HIGH, 0); | |
| 140 | |
| 141 { | |
| 142 PLOptStatus os; | |
| 143 PLOptState *opt = PL_CreateOptState(argc, argv, "dc:i:"); | |
| 144 while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) | |
| 145 { | |
| 146 if (PL_OPT_BAD == os) continue; | |
| 147 switch (opt->option) | |
| 148 { | |
| 149 case 'd': /* debug mode */ | |
| 150 debug_mode = PR_TRUE; | |
| 151 break; | |
| 152 case 'c': /* loop counter */ | |
| 153 count = atoi(opt->value); | |
| 154 break; | |
| 155 case 'i': /* loop counter */ | |
| 156 iterations = atoi(opt->value); | |
| 157 break; | |
| 158 default: | |
| 159 break; | |
| 160 } | |
| 161 } | |
| 162 PL_DestroyOptState(opt); | |
| 163 } | |
| 164 | |
| 165 if (0 == count) count = 50; | |
| 166 if (0 == iterations) iterations = 10; | |
| 167 | |
| 168 if (debug_mode) | |
| 169 { | |
| 170 printf("\ | |
| 171 ** Tests lots of thread creations. \n\ | |
| 172 ** Create %ld native threads %ld times. \n\ | |
| 173 ** Create %ld user threads %ld times \n", iterations,count,iterations,count); | |
| 174 } | |
| 175 | |
| 176 for (index=0; index<iterations; index++) { | |
| 177 Measure(CreateThreadsUU, "Create user/user threads"); | |
| 178 Measure(CreateThreadsUK, "Create user/native threads"); | |
| 179 Measure(CreateThreadsKU, "Create native/user threads"); | |
| 180 Measure(CreateThreadsKK, "Create native/native threads"); | |
| 181 } | |
| 182 | |
| 183 if (debug_mode) printf("\nNow switch to recycling threads \n\n"); | |
| 184 PR_SetThreadRecycleMode(1); | |
| 185 | |
| 186 for (index=0; index<iterations; index++) { | |
| 187 Measure(CreateThreadsUU, "Create user/user threads"); | |
| 188 Measure(CreateThreadsUK, "Create user/native threads"); | |
| 189 Measure(CreateThreadsKU, "Create native/user threads"); | |
| 190 Measure(CreateThreadsKK, "Create native/native threads"); | |
| 191 } | |
| 192 | |
| 193 | |
| 194 printf("%s\n", ((passed) ? "PASS" : "FAIL")); | |
| 195 | |
| 196 PR_Cleanup(); | |
| 197 | |
| 198 if (passed) { | |
| 199 return 0; | |
| 200 } else { | |
| 201 return 1; | |
| 202 } | |
| 203 } |
