1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/tests/xnotify.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,357 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "plerror.h"
1.10 +#include "plgetopt.h"
1.11 +
1.12 +#include "prinit.h"
1.13 +#include "prprf.h"
1.14 +#include "prio.h"
1.15 +#include "prcvar.h"
1.16 +#include "prmon.h"
1.17 +#include "prcmon.h"
1.18 +#include "prlock.h"
1.19 +#include "prerror.h"
1.20 +#include "prinit.h"
1.21 +#include "prinrval.h"
1.22 +#include "prthread.h"
1.23 +
1.24 +static PRLock *ml = NULL;
1.25 +static PRIntervalTime base;
1.26 +static PRFileDesc *err = NULL;
1.27 +
1.28 +typedef struct CMonShared
1.29 +{
1.30 + PRInt32 o1, o2;
1.31 +} CMonShared;
1.32 +
1.33 +typedef struct MonShared
1.34 +{
1.35 + PRMonitor *o1, *o2;
1.36 +} MonShared;
1.37 +
1.38 +typedef struct LockShared
1.39 +{
1.40 + PRLock *o1, *o2;
1.41 + PRCondVar *cv1, *cv2;
1.42 +} LockShared;
1.43 +
1.44 +static void LogNow(const char *msg, PRStatus rv)
1.45 +{
1.46 + PRIntervalTime now = PR_IntervalNow();
1.47 + PR_Lock(ml);
1.48 + PR_fprintf(err, "%6ld: %s", (now - base), msg);
1.49 + if (PR_FAILURE == rv) PL_FPrintError(err, " ");
1.50 + else PR_fprintf(err, "\n");
1.51 + PR_Unlock(ml);
1.52 +} /* LogNow */
1.53 +
1.54 +static void Help(void)
1.55 +{
1.56 + PR_fprintf(err, "Usage: [-[d][l][m][c]] [-h]\n");
1.57 + PR_fprintf(err, "\t-d debug mode (default: FALSE)\n");
1.58 + PR_fprintf(err, "\t-l test with locks (default: FALSE)\n");
1.59 + PR_fprintf(err, "\t-m tests with monitors (default: FALSE)\n");
1.60 + PR_fprintf(err, "\t-c tests with cmonitors (default: FALSE)\n");
1.61 + PR_fprintf(err, "\t-h help\n");
1.62 +} /* Help */
1.63 +
1.64 +static void PR_CALLBACK T2CMon(void *arg)
1.65 +{
1.66 + PRStatus rv;
1.67 + CMonShared *shared = (CMonShared*)arg;
1.68 +
1.69 + PR_CEnterMonitor(&shared->o1);
1.70 + LogNow("T2 waiting 5 seconds on o1", PR_SUCCESS);
1.71 + rv = PR_CWait(&shared->o1, PR_SecondsToInterval(5));
1.72 + if (PR_SUCCESS == rv) LogNow("T2 resuming on o1", rv);
1.73 + else LogNow("T2 wait failed on o1", rv);
1.74 +
1.75 + rv = PR_CNotify(&shared->o1);
1.76 + if (PR_SUCCESS == rv) LogNow("T2 notified o1", rv);
1.77 + else LogNow("T2 notify on o1 failed", rv);
1.78 +
1.79 + PR_CExitMonitor(&shared->o1);
1.80 +} /* T2CMon */
1.81 +
1.82 +static void PR_CALLBACK T3CMon(void *arg)
1.83 +{
1.84 + PRStatus rv;
1.85 + CMonShared *shared = (CMonShared*)arg;
1.86 +
1.87 + PR_CEnterMonitor(&shared->o2);
1.88 + LogNow("T3 waiting 5 seconds on o2", PR_SUCCESS);
1.89 + rv = PR_CWait(&shared->o2, PR_SecondsToInterval(5));
1.90 + if (PR_SUCCESS == rv) LogNow("T3 resuming on o2", rv);
1.91 + else LogNow("T3 wait failed on o2", rv);
1.92 + rv = PR_CNotify(&shared->o2);
1.93 + LogNow("T3 notify on o2", rv);
1.94 + PR_CExitMonitor(&shared->o2);
1.95 +
1.96 +} /* T3CMon */
1.97 +
1.98 +static CMonShared sharedCM;
1.99 +
1.100 +static void T1CMon(void)
1.101 +{
1.102 + PRStatus rv;
1.103 + PRThread *t2, *t3;
1.104 +
1.105 + PR_fprintf(err, "\n**********************************\n");
1.106 + PR_fprintf(err, " CACHED MONITORS\n");
1.107 + PR_fprintf(err, "**********************************\n");
1.108 +
1.109 + base = PR_IntervalNow();
1.110 +
1.111 + PR_CEnterMonitor(&sharedCM.o1);
1.112 + LogNow("T1 waiting 3 seconds on o1", PR_SUCCESS);
1.113 + rv = PR_CWait(&sharedCM.o1, PR_SecondsToInterval(3));
1.114 + if (PR_SUCCESS == rv) LogNow("T1 resuming on o1", rv);
1.115 + else LogNow("T1 wait on o1 failed", rv);
1.116 + PR_CExitMonitor(&sharedCM.o1);
1.117 +
1.118 + LogNow("T1 creating T2", PR_SUCCESS);
1.119 + t2 = PR_CreateThread(
1.120 + PR_USER_THREAD, T2CMon, &sharedCM, PR_PRIORITY_NORMAL,
1.121 + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
1.122 +
1.123 + LogNow("T1 creating T3", PR_SUCCESS);
1.124 + t3 = PR_CreateThread(
1.125 + PR_USER_THREAD, T3CMon, &sharedCM, PR_PRIORITY_NORMAL,
1.126 + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
1.127 +
1.128 + PR_CEnterMonitor(&sharedCM.o2);
1.129 + LogNow("T1 waiting forever on o2", PR_SUCCESS);
1.130 + rv = PR_CWait(&sharedCM.o2, PR_INTERVAL_NO_TIMEOUT);
1.131 + if (PR_SUCCESS == rv) LogNow("T1 resuming on o2", rv);
1.132 + else LogNow("T1 wait on o2 failed", rv);
1.133 + PR_CExitMonitor(&sharedCM.o2);
1.134 +
1.135 + (void)PR_JoinThread(t2);
1.136 + (void)PR_JoinThread(t3);
1.137 +
1.138 +} /* T1CMon */
1.139 +
1.140 +static void PR_CALLBACK T2Mon(void *arg)
1.141 +{
1.142 + PRStatus rv;
1.143 + MonShared *shared = (MonShared*)arg;
1.144 +
1.145 + PR_EnterMonitor(shared->o1);
1.146 + LogNow("T2 waiting 5 seconds on o1", PR_SUCCESS);
1.147 + rv = PR_Wait(shared->o1, PR_SecondsToInterval(5));
1.148 + if (PR_SUCCESS == rv) LogNow("T2 resuming on o1", rv);
1.149 + else LogNow("T2 wait failed on o1", rv);
1.150 +
1.151 + rv = PR_Notify(shared->o1);
1.152 + if (PR_SUCCESS == rv) LogNow("T2 notified o1", rv);
1.153 + else LogNow("T2 notify on o1 failed", rv);
1.154 +
1.155 + PR_ExitMonitor(shared->o1);
1.156 +} /* T2Mon */
1.157 +
1.158 +static void PR_CALLBACK T3Mon(void *arg)
1.159 +{
1.160 + PRStatus rv;
1.161 + MonShared *shared = (MonShared*)arg;
1.162 +
1.163 + PR_EnterMonitor(shared->o2);
1.164 + LogNow("T3 waiting 5 seconds on o2", PR_SUCCESS);
1.165 + rv = PR_Wait(shared->o2, PR_SecondsToInterval(5));
1.166 + if (PR_SUCCESS == rv) LogNow("T3 resuming on o2", rv);
1.167 + else LogNow("T3 wait failed on o2", rv);
1.168 + rv = PR_Notify(shared->o2);
1.169 + LogNow("T3 notify on o2", rv);
1.170 + PR_ExitMonitor(shared->o2);
1.171 +
1.172 +} /* T3Mon */
1.173 +
1.174 +static MonShared sharedM;
1.175 +static void T1Mon(void)
1.176 +{
1.177 + PRStatus rv;
1.178 + PRThread *t2, *t3;
1.179 +
1.180 + PR_fprintf(err, "\n**********************************\n");
1.181 + PR_fprintf(err, " MONITORS\n");
1.182 + PR_fprintf(err, "**********************************\n");
1.183 +
1.184 + sharedM.o1 = PR_NewMonitor();
1.185 + sharedM.o2 = PR_NewMonitor();
1.186 +
1.187 + base = PR_IntervalNow();
1.188 +
1.189 + PR_EnterMonitor(sharedM.o1);
1.190 + LogNow("T1 waiting 3 seconds on o1", PR_SUCCESS);
1.191 + rv = PR_Wait(sharedM.o1, PR_SecondsToInterval(3));
1.192 + if (PR_SUCCESS == rv) LogNow("T1 resuming on o1", rv);
1.193 + else LogNow("T1 wait on o1 failed", rv);
1.194 + PR_ExitMonitor(sharedM.o1);
1.195 +
1.196 + LogNow("T1 creating T2", PR_SUCCESS);
1.197 + t2 = PR_CreateThread(
1.198 + PR_USER_THREAD, T2Mon, &sharedM, PR_PRIORITY_NORMAL,
1.199 + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
1.200 +
1.201 + LogNow("T1 creating T3", PR_SUCCESS);
1.202 + t3 = PR_CreateThread(
1.203 + PR_USER_THREAD, T3Mon, &sharedM, PR_PRIORITY_NORMAL,
1.204 + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
1.205 +
1.206 + PR_EnterMonitor(sharedM.o2);
1.207 + LogNow("T1 waiting forever on o2", PR_SUCCESS);
1.208 + rv = PR_Wait(sharedM.o2, PR_INTERVAL_NO_TIMEOUT);
1.209 + if (PR_SUCCESS == rv) LogNow("T1 resuming on o2", rv);
1.210 + else LogNow("T1 wait on o2 failed", rv);
1.211 + PR_ExitMonitor(sharedM.o2);
1.212 +
1.213 + (void)PR_JoinThread(t2);
1.214 + (void)PR_JoinThread(t3);
1.215 +
1.216 + PR_DestroyMonitor(sharedM.o1);
1.217 + PR_DestroyMonitor(sharedM.o2);
1.218 +
1.219 +} /* T1Mon */
1.220 +
1.221 +static void PR_CALLBACK T2Lock(void *arg)
1.222 +{
1.223 + PRStatus rv;
1.224 + LockShared *shared = (LockShared*)arg;
1.225 +
1.226 + PR_Lock(shared->o1);
1.227 + LogNow("T2 waiting 5 seconds on o1", PR_SUCCESS);
1.228 + rv = PR_WaitCondVar(shared->cv1, PR_SecondsToInterval(5));
1.229 + if (PR_SUCCESS == rv) LogNow("T2 resuming on o1", rv);
1.230 + else LogNow("T2 wait failed on o1", rv);
1.231 +
1.232 + rv = PR_NotifyCondVar(shared->cv1);
1.233 + if (PR_SUCCESS == rv) LogNow("T2 notified o1", rv);
1.234 + else LogNow("T2 notify on o1 failed", rv);
1.235 +
1.236 + PR_Unlock(shared->o1);
1.237 +} /* T2Lock */
1.238 +
1.239 +static void PR_CALLBACK T3Lock(void *arg)
1.240 +{
1.241 + PRStatus rv;
1.242 + LockShared *shared = (LockShared*)arg;
1.243 +
1.244 + PR_Lock(shared->o2);
1.245 + LogNow("T3 waiting 5 seconds on o2", PR_SUCCESS);
1.246 + rv = PR_WaitCondVar(shared->cv2, PR_SecondsToInterval(5));
1.247 + if (PR_SUCCESS == rv) LogNow("T3 resuming on o2", rv);
1.248 + else LogNow("T3 wait failed on o2", rv);
1.249 + rv = PR_NotifyCondVar(shared->cv2);
1.250 + LogNow("T3 notify on o2", rv);
1.251 + PR_Unlock(shared->o2);
1.252 +
1.253 +} /* T3Lock */
1.254 +
1.255 +/*
1.256 +** Make shared' a static variable for Win16
1.257 +*/
1.258 +static LockShared sharedL;
1.259 +
1.260 +static void T1Lock(void)
1.261 +{
1.262 + PRStatus rv;
1.263 + PRThread *t2, *t3;
1.264 + sharedL.o1 = PR_NewLock();
1.265 + sharedL.o2 = PR_NewLock();
1.266 + sharedL.cv1 = PR_NewCondVar(sharedL.o1);
1.267 + sharedL.cv2 = PR_NewCondVar(sharedL.o2);
1.268 +
1.269 + PR_fprintf(err, "\n**********************************\n");
1.270 + PR_fprintf(err, " LOCKS\n");
1.271 + PR_fprintf(err, "**********************************\n");
1.272 +
1.273 + base = PR_IntervalNow();
1.274 +
1.275 + PR_Lock(sharedL.o1);
1.276 + LogNow("T1 waiting 3 seconds on o1", PR_SUCCESS);
1.277 + rv = PR_WaitCondVar(sharedL.cv1, PR_SecondsToInterval(3));
1.278 + if (PR_SUCCESS == rv) LogNow("T1 resuming on o1", rv);
1.279 + else LogNow("T1 wait on o1 failed", rv);
1.280 + PR_Unlock(sharedL.o1);
1.281 +
1.282 + LogNow("T1 creating T2", PR_SUCCESS);
1.283 + t2 = PR_CreateThread(
1.284 + PR_USER_THREAD, T2Lock, &sharedL, PR_PRIORITY_NORMAL,
1.285 + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
1.286 +
1.287 + LogNow("T1 creating T3", PR_SUCCESS);
1.288 + t3 = PR_CreateThread(
1.289 + PR_USER_THREAD, T3Lock, &sharedL, PR_PRIORITY_NORMAL,
1.290 + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
1.291 +
1.292 + PR_Lock(sharedL.o2);
1.293 + LogNow("T1 waiting forever on o2", PR_SUCCESS);
1.294 + rv = PR_WaitCondVar(sharedL.cv2, PR_INTERVAL_NO_TIMEOUT);
1.295 + if (PR_SUCCESS == rv) LogNow("T1 resuming on o2", rv);
1.296 + else LogNow("T1 wait on o2 failed", rv);
1.297 + PR_Unlock(sharedL.o2);
1.298 +
1.299 + (void)PR_JoinThread(t2);
1.300 + (void)PR_JoinThread(t3);
1.301 +
1.302 + PR_DestroyLock(sharedL.o1);
1.303 + PR_DestroyLock(sharedL.o2);
1.304 + PR_DestroyCondVar(sharedL.cv1);
1.305 + PR_DestroyCondVar(sharedL.cv2);
1.306 +} /* T1Lock */
1.307 +
1.308 +static PRIntn PR_CALLBACK RealMain( PRIntn argc, char **argv )
1.309 +{
1.310 + PLOptStatus os;
1.311 + PLOptState *opt = PL_CreateOptState(argc, argv, "dhlmc");
1.312 + PRBool locks = PR_FALSE, monitors = PR_FALSE, cmonitors = PR_FALSE;
1.313 +
1.314 + err = PR_GetSpecialFD(PR_StandardError);
1.315 +
1.316 + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
1.317 + {
1.318 + if (PL_OPT_BAD == os) continue;
1.319 + switch (opt->option)
1.320 + {
1.321 + case 'd': /* debug mode (noop) */
1.322 + break;
1.323 + case 'l': /* locks */
1.324 + locks = PR_TRUE;
1.325 + break;
1.326 + case 'm': /* monitors */
1.327 + monitors = PR_TRUE;
1.328 + break;
1.329 + case 'c': /* cached monitors */
1.330 + cmonitors = PR_TRUE;
1.331 + break;
1.332 + case 'h': /* needs guidance */
1.333 + default:
1.334 + Help();
1.335 + return 2;
1.336 + }
1.337 + }
1.338 + PL_DestroyOptState(opt);
1.339 +
1.340 + ml = PR_NewLock();
1.341 + if (locks) T1Lock();
1.342 + if (monitors) T1Mon();
1.343 + if (cmonitors) T1CMon();
1.344 +
1.345 + PR_DestroyLock(ml);
1.346 +
1.347 + PR_fprintf(err, "Done!\n");
1.348 + return 0;
1.349 +} /* main */
1.350 +
1.351 +
1.352 +int main(int argc, char **argv)
1.353 +{
1.354 + PRIntn rv;
1.355 +
1.356 + PR_STDIO_INIT();
1.357 + rv = PR_Initialize(RealMain, argc, argv, 0);
1.358 + return rv;
1.359 +} /* main */
1.360 +/* xnotify.c */
