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comparison: xpcom/tests/TestSynchronization.cpp
xpcom/tests/TestSynchronization.cpp
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| -1:000000000000 | 0:bd7db0559eb0 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: sw=4 ts=4 et : | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "TestHarness.h" | |
| 8 | |
| 9 #include "mozilla/CondVar.h" | |
| 10 #include "mozilla/Monitor.h" | |
| 11 #include "mozilla/Mutex.h" | |
| 12 #include "nsAutoLock.h" | |
| 13 | |
| 14 using namespace mozilla; | |
| 15 | |
| 16 static PRThread* | |
| 17 spawn(void (*run)(void*), void* arg) | |
| 18 { | |
| 19 return PR_CreateThread(PR_SYSTEM_THREAD, | |
| 20 run, | |
| 21 arg, | |
| 22 PR_PRIORITY_NORMAL, | |
| 23 PR_GLOBAL_THREAD, | |
| 24 PR_JOINABLE_THREAD, | |
| 25 0); | |
| 26 } | |
| 27 | |
| 28 | |
| 29 #define PASS() \ | |
| 30 do { \ | |
| 31 passed(__FUNCTION__); \ | |
| 32 return NS_OK; \ | |
| 33 } while (0) | |
| 34 | |
| 35 #define FAIL(why) \ | |
| 36 do { \ | |
| 37 fail("%s | %s - %s", __FILE__, __FUNCTION__, why); \ | |
| 38 return NS_ERROR_FAILURE; \ | |
| 39 } while (0) | |
| 40 | |
| 41 //----------------------------------------------------------------------------- | |
| 42 // Sanity check: tests that can be done on a single thread | |
| 43 // | |
| 44 static nsresult | |
| 45 Sanity() | |
| 46 { | |
| 47 Mutex lock("sanity::lock"); | |
| 48 lock.Lock(); | |
| 49 lock.AssertCurrentThreadOwns(); | |
| 50 lock.Unlock(); | |
| 51 | |
| 52 { | |
| 53 MutexAutoLock autolock(lock); | |
| 54 lock.AssertCurrentThreadOwns(); | |
| 55 } | |
| 56 | |
| 57 lock.Lock(); | |
| 58 lock.AssertCurrentThreadOwns(); | |
| 59 { | |
| 60 MutexAutoUnlock autounlock(lock); | |
| 61 } | |
| 62 lock.AssertCurrentThreadOwns(); | |
| 63 lock.Unlock(); | |
| 64 | |
| 65 Monitor mon("sanity::monitor"); | |
| 66 mon.Enter(); | |
| 67 mon.AssertCurrentThreadIn(); | |
| 68 mon.Enter(); | |
| 69 mon.AssertCurrentThreadIn(); | |
| 70 mon.Exit(); | |
| 71 mon.AssertCurrentThreadIn(); | |
| 72 mon.Exit(); | |
| 73 | |
| 74 { | |
| 75 MonitorAutoEnter automon(mon); | |
| 76 mon.AssertCurrentThreadIn(); | |
| 77 } | |
| 78 | |
| 79 PASS(); | |
| 80 } | |
| 81 | |
| 82 //----------------------------------------------------------------------------- | |
| 83 // Mutex contention tests | |
| 84 // | |
| 85 static Mutex* gLock1; | |
| 86 | |
| 87 static void | |
| 88 MutexContention_thread(void* /*arg*/) | |
| 89 { | |
| 90 for (int i = 0; i < 100000; ++i) { | |
| 91 gLock1->Lock(); | |
| 92 gLock1->AssertCurrentThreadOwns(); | |
| 93 gLock1->Unlock(); | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 static nsresult | |
| 98 MutexContention() | |
| 99 { | |
| 100 gLock1 = new Mutex("lock1"); | |
| 101 // PURPOSELY not checking for OOM. YAY! | |
| 102 | |
| 103 PRThread* t1 = spawn(MutexContention_thread, nullptr); | |
| 104 PRThread* t2 = spawn(MutexContention_thread, nullptr); | |
| 105 PRThread* t3 = spawn(MutexContention_thread, nullptr); | |
| 106 | |
| 107 PR_JoinThread(t1); | |
| 108 PR_JoinThread(t2); | |
| 109 PR_JoinThread(t3); | |
| 110 | |
| 111 delete gLock1; | |
| 112 | |
| 113 PASS(); | |
| 114 } | |
| 115 | |
| 116 //----------------------------------------------------------------------------- | |
| 117 // Monitor tests | |
| 118 // | |
| 119 static Monitor* gMon1; | |
| 120 | |
| 121 static void | |
| 122 MonitorContention_thread(void* /*arg*/) | |
| 123 { | |
| 124 for (int i = 0; i < 100000; ++i) { | |
| 125 gMon1->Enter(); | |
| 126 gMon1->AssertCurrentThreadIn(); | |
| 127 gMon1->Exit(); | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 static nsresult | |
| 132 MonitorContention() | |
| 133 { | |
| 134 gMon1 = new Monitor("mon1"); | |
| 135 | |
| 136 PRThread* t1 = spawn(MonitorContention_thread, nullptr); | |
| 137 PRThread* t2 = spawn(MonitorContention_thread, nullptr); | |
| 138 PRThread* t3 = spawn(MonitorContention_thread, nullptr); | |
| 139 | |
| 140 PR_JoinThread(t1); | |
| 141 PR_JoinThread(t2); | |
| 142 PR_JoinThread(t3); | |
| 143 | |
| 144 delete gMon1; | |
| 145 | |
| 146 PASS(); | |
| 147 } | |
| 148 | |
| 149 | |
| 150 static Monitor* gMon2; | |
| 151 | |
| 152 static void | |
| 153 MonitorContention2_thread(void* /*arg*/) | |
| 154 { | |
| 155 for (int i = 0; i < 100000; ++i) { | |
| 156 gMon2->Enter(); | |
| 157 gMon2->AssertCurrentThreadIn(); | |
| 158 { | |
| 159 gMon2->Enter(); | |
| 160 gMon2->AssertCurrentThreadIn(); | |
| 161 gMon2->Exit(); | |
| 162 } | |
| 163 gMon2->AssertCurrentThreadIn(); | |
| 164 gMon2->Exit(); | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 static nsresult | |
| 169 MonitorContention2() | |
| 170 { | |
| 171 gMon2 = new Monitor("mon1"); | |
| 172 | |
| 173 PRThread* t1 = spawn(MonitorContention2_thread, nullptr); | |
| 174 PRThread* t2 = spawn(MonitorContention2_thread, nullptr); | |
| 175 PRThread* t3 = spawn(MonitorContention2_thread, nullptr); | |
| 176 | |
| 177 PR_JoinThread(t1); | |
| 178 PR_JoinThread(t2); | |
| 179 PR_JoinThread(t3); | |
| 180 | |
| 181 delete gMon2; | |
| 182 | |
| 183 PASS(); | |
| 184 } | |
| 185 | |
| 186 | |
| 187 static Monitor* gMon3; | |
| 188 static int32_t gMonFirst; | |
| 189 | |
| 190 static void | |
| 191 MonitorSyncSanity_thread(void* /*arg*/) | |
| 192 { | |
| 193 gMon3->Enter(); | |
| 194 gMon3->AssertCurrentThreadIn(); | |
| 195 if (gMonFirst) { | |
| 196 gMonFirst = 0; | |
| 197 gMon3->Wait(); | |
| 198 gMon3->Enter(); | |
| 199 } else { | |
| 200 gMon3->Notify(); | |
| 201 gMon3->Enter(); | |
| 202 } | |
| 203 gMon3->AssertCurrentThreadIn(); | |
| 204 gMon3->Exit(); | |
| 205 gMon3->AssertCurrentThreadIn(); | |
| 206 gMon3->Exit(); | |
| 207 } | |
| 208 | |
| 209 static nsresult | |
| 210 MonitorSyncSanity() | |
| 211 { | |
| 212 gMon3 = new Monitor("monitor::syncsanity"); | |
| 213 | |
| 214 for (int32_t i = 0; i < 10000; ++i) { | |
| 215 gMonFirst = 1; | |
| 216 PRThread* ping = spawn(MonitorSyncSanity_thread, nullptr); | |
| 217 PRThread* pong = spawn(MonitorSyncSanity_thread, nullptr); | |
| 218 PR_JoinThread(ping); | |
| 219 PR_JoinThread(pong); | |
| 220 } | |
| 221 | |
| 222 delete gMon3; | |
| 223 | |
| 224 PASS(); | |
| 225 } | |
| 226 | |
| 227 //----------------------------------------------------------------------------- | |
| 228 // Condvar tests | |
| 229 // | |
| 230 static Mutex* gCvlock1; | |
| 231 static CondVar* gCv1; | |
| 232 static int32_t gCvFirst; | |
| 233 | |
| 234 static void | |
| 235 CondVarSanity_thread(void* /*arg*/) | |
| 236 { | |
| 237 gCvlock1->Lock(); | |
| 238 gCvlock1->AssertCurrentThreadOwns(); | |
| 239 if (gCvFirst) { | |
| 240 gCvFirst = 0; | |
| 241 gCv1->Wait(); | |
| 242 } else { | |
| 243 gCv1->Notify(); | |
| 244 } | |
| 245 gCvlock1->AssertCurrentThreadOwns(); | |
| 246 gCvlock1->Unlock(); | |
| 247 } | |
| 248 | |
| 249 static nsresult | |
| 250 CondVarSanity() | |
| 251 { | |
| 252 gCvlock1 = new Mutex("cvlock1"); | |
| 253 gCv1 = new CondVar(*gCvlock1, "cvlock1"); | |
| 254 | |
| 255 for (int32_t i = 0; i < 10000; ++i) { | |
| 256 gCvFirst = 1; | |
| 257 PRThread* ping = spawn(CondVarSanity_thread, nullptr); | |
| 258 PRThread* pong = spawn(CondVarSanity_thread, nullptr); | |
| 259 PR_JoinThread(ping); | |
| 260 PR_JoinThread(pong); | |
| 261 } | |
| 262 | |
| 263 delete gCv1; | |
| 264 delete gCvlock1; | |
| 265 | |
| 266 PASS(); | |
| 267 } | |
| 268 | |
| 269 //----------------------------------------------------------------------------- | |
| 270 // AutoLock tests | |
| 271 // | |
| 272 static nsresult | |
| 273 AutoLock() | |
| 274 { | |
| 275 Mutex l1("autolock"); | |
| 276 MutexAutoLock autol1(l1); | |
| 277 | |
| 278 l1.AssertCurrentThreadOwns(); | |
| 279 | |
| 280 { | |
| 281 Mutex l2("autolock2"); | |
| 282 MutexAutoLock autol2(l2); | |
| 283 | |
| 284 l1.AssertCurrentThreadOwns(); | |
| 285 l2.AssertCurrentThreadOwns(); | |
| 286 } | |
| 287 | |
| 288 l1.AssertCurrentThreadOwns(); | |
| 289 | |
| 290 PASS(); | |
| 291 } | |
| 292 | |
| 293 //----------------------------------------------------------------------------- | |
| 294 // AutoUnlock tests | |
| 295 // | |
| 296 static nsresult | |
| 297 AutoUnlock() | |
| 298 { | |
| 299 Mutex l1("autounlock"); | |
| 300 Mutex l2("autounlock2"); | |
| 301 | |
| 302 l1.Lock(); | |
| 303 l1.AssertCurrentThreadOwns(); | |
| 304 | |
| 305 { | |
| 306 MutexAutoUnlock autol1(l1); | |
| 307 { | |
| 308 l2.Lock(); | |
| 309 l2.AssertCurrentThreadOwns(); | |
| 310 | |
| 311 MutexAutoUnlock autol2(l2); | |
| 312 } | |
| 313 l2.AssertCurrentThreadOwns(); | |
| 314 l2.Unlock(); | |
| 315 } | |
| 316 l1.AssertCurrentThreadOwns(); | |
| 317 | |
| 318 l1.Unlock(); | |
| 319 | |
| 320 PASS(); | |
| 321 } | |
| 322 | |
| 323 //----------------------------------------------------------------------------- | |
| 324 // AutoMonitor tests | |
| 325 // | |
| 326 static nsresult | |
| 327 AutoMonitor() | |
| 328 { | |
| 329 Monitor m1("automonitor"); | |
| 330 Monitor m2("automonitor2"); | |
| 331 | |
| 332 m1.Enter(); | |
| 333 m1.AssertCurrentThreadIn(); | |
| 334 { | |
| 335 MonitorAutoEnter autom1(m1); | |
| 336 m1.AssertCurrentThreadIn(); | |
| 337 | |
| 338 m2.Enter(); | |
| 339 m2.AssertCurrentThreadIn(); | |
| 340 { | |
| 341 MonitorAutoEnter autom2(m2); | |
| 342 m1.AssertCurrentThreadIn(); | |
| 343 m2.AssertCurrentThreadIn(); | |
| 344 } | |
| 345 m2.AssertCurrentThreadIn(); | |
| 346 m2.Exit(); | |
| 347 | |
| 348 m1.AssertCurrentThreadIn(); | |
| 349 } | |
| 350 m1.AssertCurrentThreadIn(); | |
| 351 m1.Exit(); | |
| 352 | |
| 353 PASS(); | |
| 354 } | |
| 355 | |
| 356 //----------------------------------------------------------------------------- | |
| 357 | |
| 358 int | |
| 359 main(int argc, char** argv) | |
| 360 { | |
| 361 ScopedXPCOM xpcom("Synchronization (" __FILE__ ")"); | |
| 362 if (xpcom.failed()) | |
| 363 return 1; | |
| 364 | |
| 365 int rv = 0; | |
| 366 | |
| 367 if (NS_FAILED(Sanity())) | |
| 368 rv = 1; | |
| 369 if (NS_FAILED(MutexContention())) | |
| 370 rv = 1; | |
| 371 if (NS_FAILED(MonitorContention())) | |
| 372 rv = 1; | |
| 373 if (NS_FAILED(MonitorContention2())) | |
| 374 rv = 1; | |
| 375 if (NS_FAILED(MonitorSyncSanity())) | |
| 376 rv = 1; | |
| 377 if (NS_FAILED(CondVarSanity())) | |
| 378 rv = 1; | |
| 379 if (NS_FAILED(AutoLock())) | |
| 380 rv = 1; | |
| 381 if (NS_FAILED(AutoUnlock())) | |
| 382 rv = 1; | |
| 383 if (NS_FAILED(AutoMonitor())) | |
| 384 rv = 1; | |
| 385 | |
| 386 return rv; | |
| 387 } |
