mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* RWLock rank tests
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*/
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#include "nspr.h"
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#include "plgetopt.h"
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static int _debug_on;
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static PRRWLock *rwlock0;
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static PRRWLock *rwlock1;
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static PRRWLock *rwlock2;
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static void rwtest(void *args)
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{
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PR_RWLock_Rlock(rwlock1);
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PR_RWLock_Unlock(rwlock1);
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PR_RWLock_Rlock(rwlock1);
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PR_RWLock_Unlock(rwlock1);
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// Test correct lock rank.
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PR_RWLock_Rlock(rwlock1);
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PR_RWLock_Rlock(rwlock2);
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PR_RWLock_Unlock(rwlock2);
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PR_RWLock_Unlock(rwlock1);
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PR_RWLock_Rlock(rwlock1);
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PR_RWLock_Rlock(rwlock2);
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PR_RWLock_Unlock(rwlock1);
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PR_RWLock_Unlock(rwlock2);
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PR_RWLock_Rlock(rwlock1);
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PR_RWLock_Rlock(rwlock0);
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PR_RWLock_Rlock(rwlock2);
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PR_RWLock_Unlock(rwlock2);
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PR_RWLock_Unlock(rwlock0);
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PR_RWLock_Unlock(rwlock1);
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#if 0
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// Test incorrect lock rank.
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PR_RWLock_Rlock(rwlock2);
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PR_RWLock_Rlock(rwlock1);
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PR_RWLock_Unlock(rwlock1);
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PR_RWLock_Unlock(rwlock2);
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PR_RWLock_Rlock(rwlock2);
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PR_RWLock_Rlock(rwlock0);
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PR_RWLock_Rlock(rwlock1);
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PR_RWLock_Unlock(rwlock1);
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PR_RWLock_Unlock(rwlock0);
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PR_RWLock_Unlock(rwlock2);
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#endif
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}
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int main(int argc, char **argv)
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{
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PRStatus rc;
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PRThread *thread;
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PLOptStatus os;
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PLOptState *opt = PL_CreateOptState(argc, argv, "d");
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while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
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if (PL_OPT_BAD == os) continue;
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switch (opt->option) {
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case 'd': /* debug mode */
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_debug_on = 1;
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break;
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default:
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break;
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}
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}
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PL_DestroyOptState(opt);
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rwlock0 = PR_NewRWLock(PR_RWLOCK_RANK_NONE, "Lock 0");
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if (rwlock0 == NULL) {
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fprintf(stderr, "PR_NewRWLock failed - error %d\n",
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(int)PR_GetError());
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return 1;
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}
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rwlock1 = PR_NewRWLock(1, "Lock 1");
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if (rwlock1 == NULL) {
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fprintf(stderr, "PR_NewRWLock failed - error %d\n",
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(int)PR_GetError());
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return 1;
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}
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rwlock2 = PR_NewRWLock(2, "Lock 2");
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if (rwlock2 == NULL) {
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fprintf(stderr, "PR_NewRWLock failed - error %d\n",
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(int)PR_GetError());
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return 1;
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}
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thread = PR_CreateThread(PR_USER_THREAD, rwtest, NULL, PR_PRIORITY_NORMAL,
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PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0);
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if (thread == NULL) {
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fprintf(stderr, "PR_CreateThread failed - error %d\n",
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(int)PR_GetError());
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PR_ProcessExit(2);
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}
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if (_debug_on) {
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printf("%s: created thread = %p\n", argv[0], thread);
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}
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rc = PR_JoinThread(thread);
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PR_ASSERT(rc == PR_SUCCESS);
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PR_DestroyRWLock(rwlock0);
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rwlock0 = NULL;
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PR_DestroyRWLock(rwlock1);
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rwlock1 = NULL;
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PR_DestroyRWLock(rwlock2);
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rwlock2 = NULL;
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printf("PASS\n");
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return 0;
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}
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