diff options
Diffstat (limited to 'nsprpub/pr/tests/xnotify.c')
| -rw-r--r-- | nsprpub/pr/tests/xnotify.c | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/xnotify.c b/nsprpub/pr/tests/xnotify.c new file mode 100644 index 0000000000..97096cc689 --- /dev/null +++ b/nsprpub/pr/tests/xnotify.c @@ -0,0 +1,357 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "plerror.h" +#include "plgetopt.h" + +#include "prinit.h" +#include "prprf.h" +#include "prio.h" +#include "prcvar.h" +#include "prmon.h" +#include "prcmon.h" +#include "prlock.h" +#include "prerror.h" +#include "prinit.h" +#include "prinrval.h" +#include "prthread.h" + +static PRLock *ml = NULL; +static PRIntervalTime base; +static PRFileDesc *err = NULL; + +typedef struct CMonShared +{ + PRInt32 o1, o2; +} CMonShared; + +typedef struct MonShared +{ + PRMonitor *o1, *o2; +} MonShared; + +typedef struct LockShared +{ + PRLock *o1, *o2; + PRCondVar *cv1, *cv2; +} LockShared; + +static void LogNow(const char *msg, PRStatus rv) +{ + PRIntervalTime now = PR_IntervalNow(); + PR_Lock(ml); + PR_fprintf(err, "%6ld: %s", (now - base), msg); + if (PR_FAILURE == rv) PL_FPrintError(err, " "); + else PR_fprintf(err, "\n"); + PR_Unlock(ml); +} /* LogNow */ + +static void Help(void) +{ + PR_fprintf(err, "Usage: [-[d][l][m][c]] [-h]\n"); + PR_fprintf(err, "\t-d debug mode (default: FALSE)\n"); + PR_fprintf(err, "\t-l test with locks (default: FALSE)\n"); + PR_fprintf(err, "\t-m tests with monitors (default: FALSE)\n"); + PR_fprintf(err, "\t-c tests with cmonitors (default: FALSE)\n"); + PR_fprintf(err, "\t-h help\n"); +} /* Help */ + +static void PR_CALLBACK T2CMon(void *arg) +{ + PRStatus rv; + CMonShared *shared = (CMonShared*)arg; + + PR_CEnterMonitor(&shared->o1); + LogNow("T2 waiting 5 seconds on o1", PR_SUCCESS); + rv = PR_CWait(&shared->o1, PR_SecondsToInterval(5)); + if (PR_SUCCESS == rv) LogNow("T2 resuming on o1", rv); + else LogNow("T2 wait failed on o1", rv); + + rv = PR_CNotify(&shared->o1); + if (PR_SUCCESS == rv) LogNow("T2 notified o1", rv); + else LogNow("T2 notify on o1 failed", rv); + + PR_CExitMonitor(&shared->o1); +} /* T2CMon */ + +static void PR_CALLBACK T3CMon(void *arg) +{ + PRStatus rv; + CMonShared *shared = (CMonShared*)arg; + + PR_CEnterMonitor(&shared->o2); + LogNow("T3 waiting 5 seconds on o2", PR_SUCCESS); + rv = PR_CWait(&shared->o2, PR_SecondsToInterval(5)); + if (PR_SUCCESS == rv) LogNow("T3 resuming on o2", rv); + else LogNow("T3 wait failed on o2", rv); + rv = PR_CNotify(&shared->o2); + LogNow("T3 notify on o2", rv); + PR_CExitMonitor(&shared->o2); + +} /* T3CMon */ + +static CMonShared sharedCM; + +static void T1CMon(void) +{ + PRStatus rv; + PRThread *t2, *t3; + + PR_fprintf(err, "\n**********************************\n"); + PR_fprintf(err, " CACHED MONITORS\n"); + PR_fprintf(err, "**********************************\n"); + + base = PR_IntervalNow(); + + PR_CEnterMonitor(&sharedCM.o1); + LogNow("T1 waiting 3 seconds on o1", PR_SUCCESS); + rv = PR_CWait(&sharedCM.o1, PR_SecondsToInterval(3)); + if (PR_SUCCESS == rv) LogNow("T1 resuming on o1", rv); + else LogNow("T1 wait on o1 failed", rv); + PR_CExitMonitor(&sharedCM.o1); + + LogNow("T1 creating T2", PR_SUCCESS); + t2 = PR_CreateThread( + PR_USER_THREAD, T2CMon, &sharedCM, PR_PRIORITY_NORMAL, + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0); + + LogNow("T1 creating T3", PR_SUCCESS); + t3 = PR_CreateThread( + PR_USER_THREAD, T3CMon, &sharedCM, PR_PRIORITY_NORMAL, + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0); + + PR_CEnterMonitor(&sharedCM.o2); + LogNow("T1 waiting forever on o2", PR_SUCCESS); + rv = PR_CWait(&sharedCM.o2, PR_INTERVAL_NO_TIMEOUT); + if (PR_SUCCESS == rv) LogNow("T1 resuming on o2", rv); + else LogNow("T1 wait on o2 failed", rv); + PR_CExitMonitor(&sharedCM.o2); + + (void)PR_JoinThread(t2); + (void)PR_JoinThread(t3); + +} /* T1CMon */ + +static void PR_CALLBACK T2Mon(void *arg) +{ + PRStatus rv; + MonShared *shared = (MonShared*)arg; + + PR_EnterMonitor(shared->o1); + LogNow("T2 waiting 5 seconds on o1", PR_SUCCESS); + rv = PR_Wait(shared->o1, PR_SecondsToInterval(5)); + if (PR_SUCCESS == rv) LogNow("T2 resuming on o1", rv); + else LogNow("T2 wait failed on o1", rv); + + rv = PR_Notify(shared->o1); + if (PR_SUCCESS == rv) LogNow("T2 notified o1", rv); + else LogNow("T2 notify on o1 failed", rv); + + PR_ExitMonitor(shared->o1); +} /* T2Mon */ + +static void PR_CALLBACK T3Mon(void *arg) +{ + PRStatus rv; + MonShared *shared = (MonShared*)arg; + + PR_EnterMonitor(shared->o2); + LogNow("T3 waiting 5 seconds on o2", PR_SUCCESS); + rv = PR_Wait(shared->o2, PR_SecondsToInterval(5)); + if (PR_SUCCESS == rv) LogNow("T3 resuming on o2", rv); + else LogNow("T3 wait failed on o2", rv); + rv = PR_Notify(shared->o2); + LogNow("T3 notify on o2", rv); + PR_ExitMonitor(shared->o2); + +} /* T3Mon */ + +static MonShared sharedM; +static void T1Mon(void) +{ + PRStatus rv; + PRThread *t2, *t3; + + PR_fprintf(err, "\n**********************************\n"); + PR_fprintf(err, " MONITORS\n"); + PR_fprintf(err, "**********************************\n"); + + sharedM.o1 = PR_NewMonitor(); + sharedM.o2 = PR_NewMonitor(); + + base = PR_IntervalNow(); + + PR_EnterMonitor(sharedM.o1); + LogNow("T1 waiting 3 seconds on o1", PR_SUCCESS); + rv = PR_Wait(sharedM.o1, PR_SecondsToInterval(3)); + if (PR_SUCCESS == rv) LogNow("T1 resuming on o1", rv); + else LogNow("T1 wait on o1 failed", rv); + PR_ExitMonitor(sharedM.o1); + + LogNow("T1 creating T2", PR_SUCCESS); + t2 = PR_CreateThread( + PR_USER_THREAD, T2Mon, &sharedM, PR_PRIORITY_NORMAL, + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0); + + LogNow("T1 creating T3", PR_SUCCESS); + t3 = PR_CreateThread( + PR_USER_THREAD, T3Mon, &sharedM, PR_PRIORITY_NORMAL, + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0); + + PR_EnterMonitor(sharedM.o2); + LogNow("T1 waiting forever on o2", PR_SUCCESS); + rv = PR_Wait(sharedM.o2, PR_INTERVAL_NO_TIMEOUT); + if (PR_SUCCESS == rv) LogNow("T1 resuming on o2", rv); + else LogNow("T1 wait on o2 failed", rv); + PR_ExitMonitor(sharedM.o2); + + (void)PR_JoinThread(t2); + (void)PR_JoinThread(t3); + + PR_DestroyMonitor(sharedM.o1); + PR_DestroyMonitor(sharedM.o2); + +} /* T1Mon */ + +static void PR_CALLBACK T2Lock(void *arg) +{ + PRStatus rv; + LockShared *shared = (LockShared*)arg; + + PR_Lock(shared->o1); + LogNow("T2 waiting 5 seconds on o1", PR_SUCCESS); + rv = PR_WaitCondVar(shared->cv1, PR_SecondsToInterval(5)); + if (PR_SUCCESS == rv) LogNow("T2 resuming on o1", rv); + else LogNow("T2 wait failed on o1", rv); + + rv = PR_NotifyCondVar(shared->cv1); + if (PR_SUCCESS == rv) LogNow("T2 notified o1", rv); + else LogNow("T2 notify on o1 failed", rv); + + PR_Unlock(shared->o1); +} /* T2Lock */ + +static void PR_CALLBACK T3Lock(void *arg) +{ + PRStatus rv; + LockShared *shared = (LockShared*)arg; + + PR_Lock(shared->o2); + LogNow("T3 waiting 5 seconds on o2", PR_SUCCESS); + rv = PR_WaitCondVar(shared->cv2, PR_SecondsToInterval(5)); + if (PR_SUCCESS == rv) LogNow("T3 resuming on o2", rv); + else LogNow("T3 wait failed on o2", rv); + rv = PR_NotifyCondVar(shared->cv2); + LogNow("T3 notify on o2", rv); + PR_Unlock(shared->o2); + +} /* T3Lock */ + +/* +** Make shared' a static variable for Win16 +*/ +static LockShared sharedL; + +static void T1Lock(void) +{ + PRStatus rv; + PRThread *t2, *t3; + sharedL.o1 = PR_NewLock(); + sharedL.o2 = PR_NewLock(); + sharedL.cv1 = PR_NewCondVar(sharedL.o1); + sharedL.cv2 = PR_NewCondVar(sharedL.o2); + + PR_fprintf(err, "\n**********************************\n"); + PR_fprintf(err, " LOCKS\n"); + PR_fprintf(err, "**********************************\n"); + + base = PR_IntervalNow(); + + PR_Lock(sharedL.o1); + LogNow("T1 waiting 3 seconds on o1", PR_SUCCESS); + rv = PR_WaitCondVar(sharedL.cv1, PR_SecondsToInterval(3)); + if (PR_SUCCESS == rv) LogNow("T1 resuming on o1", rv); + else LogNow("T1 wait on o1 failed", rv); + PR_Unlock(sharedL.o1); + + LogNow("T1 creating T2", PR_SUCCESS); + t2 = PR_CreateThread( + PR_USER_THREAD, T2Lock, &sharedL, PR_PRIORITY_NORMAL, + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0); + + LogNow("T1 creating T3", PR_SUCCESS); + t3 = PR_CreateThread( + PR_USER_THREAD, T3Lock, &sharedL, PR_PRIORITY_NORMAL, + PR_LOCAL_THREAD, PR_JOINABLE_THREAD, 0); + + PR_Lock(sharedL.o2); + LogNow("T1 waiting forever on o2", PR_SUCCESS); + rv = PR_WaitCondVar(sharedL.cv2, PR_INTERVAL_NO_TIMEOUT); + if (PR_SUCCESS == rv) LogNow("T1 resuming on o2", rv); + else LogNow("T1 wait on o2 failed", rv); + PR_Unlock(sharedL.o2); + + (void)PR_JoinThread(t2); + (void)PR_JoinThread(t3); + + PR_DestroyLock(sharedL.o1); + PR_DestroyLock(sharedL.o2); + PR_DestroyCondVar(sharedL.cv1); + PR_DestroyCondVar(sharedL.cv2); +} /* T1Lock */ + +static PRIntn PR_CALLBACK RealMain( PRIntn argc, char **argv ) +{ + PLOptStatus os; + PLOptState *opt = PL_CreateOptState(argc, argv, "dhlmc"); + PRBool locks = PR_FALSE, monitors = PR_FALSE, cmonitors = PR_FALSE; + + err = PR_GetSpecialFD(PR_StandardError); + + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) + { + if (PL_OPT_BAD == os) continue; + switch (opt->option) + { + case 'd': /* debug mode (noop) */ + break; + case 'l': /* locks */ + locks = PR_TRUE; + break; + case 'm': /* monitors */ + monitors = PR_TRUE; + break; + case 'c': /* cached monitors */ + cmonitors = PR_TRUE; + break; + case 'h': /* needs guidance */ + default: + Help(); + return 2; + } + } + PL_DestroyOptState(opt); + + ml = PR_NewLock(); + if (locks) T1Lock(); + if (monitors) T1Mon(); + if (cmonitors) T1CMon(); + + PR_DestroyLock(ml); + + PR_fprintf(err, "Done!\n"); + return 0; +} /* main */ + + +int main(int argc, char **argv) +{ + PRIntn rv; + + PR_STDIO_INIT(); + rv = PR_Initialize(RealMain, argc, argv, 0); + return rv; +} /* main */ +/* xnotify.c */ |