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 "plerror.h"
michael@0: #include "plgetopt.h"
michael@0: 
michael@0: #include "prinit.h"
michael@0: #include "prprf.h"
michael@0: #include "prio.h"
michael@0: #include "prcvar.h"
michael@0: #include "prmon.h"
michael@0: #include "prcmon.h"
michael@0: #include "prlock.h"
michael@0: #include "prerror.h"
michael@0: #include "prinit.h"
michael@0: #include "prinrval.h"
michael@0: #include "prthread.h"
michael@0: 
michael@0: static PRLock *ml = NULL;
michael@0: static PRIntervalTime base;
michael@0: static PRFileDesc *err = NULL;
michael@0: 
michael@0: typedef struct CMonShared
michael@0: {
michael@0:     PRInt32 o1, o2;
michael@0: } CMonShared;
michael@0: 
michael@0: typedef struct MonShared
michael@0: {
michael@0:     PRMonitor *o1, *o2;
michael@0: } MonShared;
michael@0: 
michael@0: typedef struct LockShared
michael@0: {
michael@0:     PRLock *o1, *o2;
michael@0:     PRCondVar *cv1, *cv2;
michael@0: } LockShared;
michael@0: 
michael@0: static void LogNow(const char *msg, PRStatus rv)
michael@0: {
michael@0:     PRIntervalTime now = PR_IntervalNow();
michael@0:     PR_Lock(ml);
michael@0:     PR_fprintf(err, "%6ld: %s", (now - base), msg);
michael@0:     if (PR_FAILURE == rv) PL_FPrintError(err, " ");
michael@0:     else PR_fprintf(err, "\n");
michael@0:     PR_Unlock(ml);
michael@0: }  /* LogNow */
michael@0: 
michael@0: static void Help(void)
michael@0: {
michael@0:     PR_fprintf(err, "Usage: [-[d][l][m][c]] [-h]\n");
michael@0:     PR_fprintf(err, "\t-d   debug mode                  (default: FALSE)\n");
michael@0:     PR_fprintf(err, "\t-l   test with locks             (default: FALSE)\n");
michael@0:     PR_fprintf(err, "\t-m   tests with monitors         (default: FALSE)\n");
michael@0:     PR_fprintf(err, "\t-c   tests with cmonitors        (default: FALSE)\n");
michael@0:     PR_fprintf(err, "\t-h   help\n");
michael@0: }  /* Help */
michael@0: 
michael@0: static void PR_CALLBACK T2CMon(void *arg)
michael@0: {
michael@0:     PRStatus rv;
michael@0:     CMonShared *shared = (CMonShared*)arg;
michael@0: 
michael@0:     PR_CEnterMonitor(&shared->o1);
michael@0:     LogNow("T2 waiting 5 seconds on o1", PR_SUCCESS);
michael@0:     rv = PR_CWait(&shared->o1, PR_SecondsToInterval(5));
michael@0:     if (PR_SUCCESS == rv) LogNow("T2 resuming on o1", rv);
michael@0:     else LogNow("T2 wait failed on o1", rv);
michael@0: 
michael@0:     rv = PR_CNotify(&shared->o1);
michael@0:     if (PR_SUCCESS == rv) LogNow("T2 notified o1", rv);
michael@0:     else LogNow("T2 notify on o1 failed", rv);
michael@0: 
michael@0:     PR_CExitMonitor(&shared->o1);
michael@0: }  /* T2CMon */
michael@0: 
michael@0: static void PR_CALLBACK T3CMon(void *arg)
michael@0: {
michael@0:     PRStatus rv;
michael@0:     CMonShared *shared = (CMonShared*)arg;
michael@0: 
michael@0:     PR_CEnterMonitor(&shared->o2);
michael@0:     LogNow("T3 waiting 5 seconds on o2", PR_SUCCESS);
michael@0:     rv = PR_CWait(&shared->o2, PR_SecondsToInterval(5));
michael@0:     if (PR_SUCCESS == rv) LogNow("T3 resuming on o2", rv);
michael@0:     else LogNow("T3 wait failed on o2", rv);
michael@0:     rv = PR_CNotify(&shared->o2);
michael@0:     LogNow("T3 notify on o2", rv);
michael@0:     PR_CExitMonitor(&shared->o2);
michael@0: 
michael@0: }  /* T3CMon */
michael@0: 
michael@0: static CMonShared sharedCM;
michael@0: 
michael@0: static void T1CMon(void)
michael@0: {
michael@0:     PRStatus rv;
michael@0:     PRThread *t2, *t3;
michael@0: 
michael@0:     PR_fprintf(err, "\n**********************************\n");
michael@0:     PR_fprintf(err, "         CACHED MONITORS\n");
michael@0:     PR_fprintf(err, "**********************************\n");
michael@0: 
michael@0:     base =  PR_IntervalNow();
michael@0: 
michael@0:     PR_CEnterMonitor(&sharedCM.o1);
michael@0:     LogNow("T1 waiting 3 seconds on o1", PR_SUCCESS);
michael@0:     rv = PR_CWait(&sharedCM.o1, PR_SecondsToInterval(3));
michael@0:     if (PR_SUCCESS == rv) LogNow("T1 resuming on o1", rv);
michael@0:     else LogNow("T1 wait on o1 failed", rv);
michael@0:     PR_CExitMonitor(&sharedCM.o1);
michael@0: 
michael@0:     LogNow("T1 creating T2", PR_SUCCESS);
michael@0:     t2 = PR_CreateThread(
michael@0:         PR_USER_THREAD, T2CMon, &sharedCM, PR_PRIORITY_NORMAL,
michael@0:         PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
michael@0: 
michael@0:     LogNow("T1 creating T3", PR_SUCCESS);
michael@0:     t3 = PR_CreateThread(
michael@0:         PR_USER_THREAD, T3CMon, &sharedCM, PR_PRIORITY_NORMAL,
michael@0:         PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
michael@0: 
michael@0:     PR_CEnterMonitor(&sharedCM.o2);
michael@0:     LogNow("T1 waiting forever on o2", PR_SUCCESS);
michael@0:     rv = PR_CWait(&sharedCM.o2, PR_INTERVAL_NO_TIMEOUT);
michael@0:     if (PR_SUCCESS == rv) LogNow("T1 resuming on o2", rv);
michael@0:     else LogNow("T1 wait on o2 failed", rv);
michael@0:     PR_CExitMonitor(&sharedCM.o2);
michael@0: 
michael@0:     (void)PR_JoinThread(t2);
michael@0:     (void)PR_JoinThread(t3);
michael@0: 
michael@0: }  /* T1CMon */
michael@0: 
michael@0: static void PR_CALLBACK T2Mon(void *arg)
michael@0: {
michael@0:     PRStatus rv;
michael@0:     MonShared *shared = (MonShared*)arg;
michael@0: 
michael@0:     PR_EnterMonitor(shared->o1);
michael@0:     LogNow("T2 waiting 5 seconds on o1", PR_SUCCESS);
michael@0:     rv = PR_Wait(shared->o1, PR_SecondsToInterval(5));
michael@0:     if (PR_SUCCESS == rv) LogNow("T2 resuming on o1", rv);
michael@0:     else LogNow("T2 wait failed on o1", rv);
michael@0: 
michael@0:     rv = PR_Notify(shared->o1);
michael@0:     if (PR_SUCCESS == rv) LogNow("T2 notified o1", rv);
michael@0:     else LogNow("T2 notify on o1 failed", rv);
michael@0: 
michael@0:     PR_ExitMonitor(shared->o1);
michael@0: }  /* T2Mon */
michael@0: 
michael@0: static void PR_CALLBACK T3Mon(void *arg)
michael@0: {
michael@0:     PRStatus rv;
michael@0:     MonShared *shared = (MonShared*)arg;
michael@0: 
michael@0:     PR_EnterMonitor(shared->o2);
michael@0:     LogNow("T3 waiting 5 seconds on o2", PR_SUCCESS);
michael@0:     rv = PR_Wait(shared->o2, PR_SecondsToInterval(5));
michael@0:     if (PR_SUCCESS == rv) LogNow("T3 resuming on o2", rv);
michael@0:     else LogNow("T3 wait failed on o2", rv);
michael@0:     rv = PR_Notify(shared->o2);
michael@0:     LogNow("T3 notify on o2", rv);
michael@0:     PR_ExitMonitor(shared->o2);
michael@0: 
michael@0: }  /* T3Mon */
michael@0: 
michael@0: static MonShared sharedM;
michael@0: static void T1Mon(void)
michael@0: {
michael@0:     PRStatus rv;
michael@0:     PRThread *t2, *t3;
michael@0: 
michael@0:     PR_fprintf(err, "\n**********************************\n");
michael@0:     PR_fprintf(err, "            MONITORS\n");
michael@0:     PR_fprintf(err, "**********************************\n");
michael@0: 
michael@0:     sharedM.o1 = PR_NewMonitor();
michael@0:     sharedM.o2 = PR_NewMonitor();
michael@0: 
michael@0:     base =  PR_IntervalNow();
michael@0: 
michael@0:     PR_EnterMonitor(sharedM.o1);
michael@0:     LogNow("T1 waiting 3 seconds on o1", PR_SUCCESS);
michael@0:     rv = PR_Wait(sharedM.o1, PR_SecondsToInterval(3));
michael@0:     if (PR_SUCCESS == rv) LogNow("T1 resuming on o1", rv);
michael@0:     else LogNow("T1 wait on o1 failed", rv);
michael@0:     PR_ExitMonitor(sharedM.o1);
michael@0: 
michael@0:     LogNow("T1 creating T2", PR_SUCCESS);
michael@0:     t2 = PR_CreateThread(
michael@0:         PR_USER_THREAD, T2Mon, &sharedM, PR_PRIORITY_NORMAL,
michael@0:         PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
michael@0: 
michael@0:     LogNow("T1 creating T3", PR_SUCCESS);
michael@0:     t3 = PR_CreateThread(
michael@0:         PR_USER_THREAD, T3Mon, &sharedM, PR_PRIORITY_NORMAL,
michael@0:         PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
michael@0: 
michael@0:     PR_EnterMonitor(sharedM.o2);
michael@0:     LogNow("T1 waiting forever on o2", PR_SUCCESS);
michael@0:     rv = PR_Wait(sharedM.o2, PR_INTERVAL_NO_TIMEOUT);
michael@0:     if (PR_SUCCESS == rv) LogNow("T1 resuming on o2", rv);
michael@0:     else LogNow("T1 wait on o2 failed", rv);
michael@0:     PR_ExitMonitor(sharedM.o2);
michael@0: 
michael@0:     (void)PR_JoinThread(t2);
michael@0:     (void)PR_JoinThread(t3);
michael@0: 
michael@0:     PR_DestroyMonitor(sharedM.o1);
michael@0:     PR_DestroyMonitor(sharedM.o2);
michael@0: 
michael@0: }  /* T1Mon */
michael@0: 
michael@0: static void PR_CALLBACK T2Lock(void *arg)
michael@0: {
michael@0:     PRStatus rv;
michael@0:     LockShared *shared = (LockShared*)arg;
michael@0: 
michael@0:     PR_Lock(shared->o1);
michael@0:     LogNow("T2 waiting 5 seconds on o1", PR_SUCCESS);
michael@0:     rv = PR_WaitCondVar(shared->cv1, PR_SecondsToInterval(5));
michael@0:     if (PR_SUCCESS == rv) LogNow("T2 resuming on o1", rv);
michael@0:     else LogNow("T2 wait failed on o1", rv);
michael@0: 
michael@0:     rv = PR_NotifyCondVar(shared->cv1);
michael@0:     if (PR_SUCCESS == rv) LogNow("T2 notified o1", rv);
michael@0:     else LogNow("T2 notify on o1 failed", rv);
michael@0: 
michael@0:     PR_Unlock(shared->o1);
michael@0: }  /* T2Lock */
michael@0: 
michael@0: static void PR_CALLBACK T3Lock(void *arg)
michael@0: {
michael@0:     PRStatus rv;
michael@0:     LockShared *shared = (LockShared*)arg;
michael@0: 
michael@0:     PR_Lock(shared->o2);
michael@0:     LogNow("T3 waiting 5 seconds on o2", PR_SUCCESS);
michael@0:     rv = PR_WaitCondVar(shared->cv2, PR_SecondsToInterval(5));
michael@0:     if (PR_SUCCESS == rv) LogNow("T3 resuming on o2", rv);
michael@0:     else LogNow("T3 wait failed on o2", rv);
michael@0:     rv = PR_NotifyCondVar(shared->cv2);
michael@0:     LogNow("T3 notify on o2", rv);
michael@0:     PR_Unlock(shared->o2);
michael@0: 
michael@0: }  /* T3Lock */
michael@0: 
michael@0: /*
michael@0: ** Make shared' a static variable for Win16
michael@0: */
michael@0: static LockShared sharedL;
michael@0: 
michael@0: static void T1Lock(void)
michael@0: {
michael@0:     PRStatus rv;
michael@0:     PRThread *t2, *t3;
michael@0:     sharedL.o1 = PR_NewLock();
michael@0:     sharedL.o2 = PR_NewLock();
michael@0:     sharedL.cv1 = PR_NewCondVar(sharedL.o1);
michael@0:     sharedL.cv2 = PR_NewCondVar(sharedL.o2);
michael@0: 
michael@0:     PR_fprintf(err, "\n**********************************\n");
michael@0:     PR_fprintf(err, "             LOCKS\n");
michael@0:     PR_fprintf(err, "**********************************\n");
michael@0: 
michael@0:     base =  PR_IntervalNow();
michael@0: 
michael@0:     PR_Lock(sharedL.o1);
michael@0:     LogNow("T1 waiting 3 seconds on o1", PR_SUCCESS);
michael@0:     rv = PR_WaitCondVar(sharedL.cv1, PR_SecondsToInterval(3));
michael@0:     if (PR_SUCCESS == rv) LogNow("T1 resuming on o1", rv);
michael@0:     else LogNow("T1 wait on o1 failed", rv);
michael@0:     PR_Unlock(sharedL.o1);
michael@0: 
michael@0:     LogNow("T1 creating T2", PR_SUCCESS);
michael@0:     t2 = PR_CreateThread(
michael@0:         PR_USER_THREAD, T2Lock, &sharedL, PR_PRIORITY_NORMAL,
michael@0:         PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
michael@0: 
michael@0:     LogNow("T1 creating T3", PR_SUCCESS);
michael@0:     t3 = PR_CreateThread(
michael@0:         PR_USER_THREAD, T3Lock, &sharedL, PR_PRIORITY_NORMAL,
michael@0:         PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0);
michael@0: 
michael@0:     PR_Lock(sharedL.o2);
michael@0:     LogNow("T1 waiting forever on o2", PR_SUCCESS);
michael@0:     rv = PR_WaitCondVar(sharedL.cv2, PR_INTERVAL_NO_TIMEOUT);
michael@0:     if (PR_SUCCESS == rv) LogNow("T1 resuming on o2", rv);
michael@0:     else LogNow("T1 wait on o2 failed", rv);
michael@0:     PR_Unlock(sharedL.o2);
michael@0: 
michael@0:     (void)PR_JoinThread(t2);
michael@0:     (void)PR_JoinThread(t3);
michael@0: 
michael@0:     PR_DestroyLock(sharedL.o1);
michael@0:     PR_DestroyLock(sharedL.o2);
michael@0:     PR_DestroyCondVar(sharedL.cv1);
michael@0:     PR_DestroyCondVar(sharedL.cv2);
michael@0: }  /* T1Lock */
michael@0: 
michael@0: static PRIntn PR_CALLBACK RealMain( PRIntn argc, char **argv )
michael@0: {
michael@0: 	PLOptStatus os;
michael@0:   	PLOptState *opt = PL_CreateOptState(argc, argv, "dhlmc");
michael@0: 	PRBool locks = PR_FALSE, monitors = PR_FALSE, cmonitors = PR_FALSE;
michael@0: 
michael@0:     err = PR_GetSpecialFD(PR_StandardError);
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 'd':  /* debug mode (noop) */
michael@0:             break;
michael@0:         case 'l':  /* locks */
michael@0: 			locks = PR_TRUE;
michael@0:             break;
michael@0:         case 'm':  /* monitors */
michael@0: 			monitors = PR_TRUE;
michael@0:             break;
michael@0:         case 'c':  /* cached monitors */
michael@0: 			cmonitors = PR_TRUE;
michael@0:             break;
michael@0:         case 'h':  /* needs guidance */
michael@0:          default:
michael@0:             Help();
michael@0:             return 2;
michael@0:         }
michael@0:     }
michael@0: 	PL_DestroyOptState(opt);
michael@0: 
michael@0:     ml = PR_NewLock();
michael@0:     if (locks) T1Lock();
michael@0:     if (monitors) T1Mon();
michael@0:     if (cmonitors) T1CMon();
michael@0: 
michael@0:     PR_DestroyLock(ml);
michael@0: 
michael@0:     PR_fprintf(err, "Done!\n");    
michael@0:     return 0;
michael@0: }  /* main */
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 */
michael@0: /* xnotify.c */