gecko/nsprpub/pr/tests/monref.c
2014-02-08 08:19:09 -08:00

75 lines
1.8 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
/*
* This test program demonstrates that PR_ExitMonitor needs to add a
* reference to the PRMonitor object before unlocking the internal
* mutex.
*/
#include "prlog.h"
#include "prmon.h"
#include "prthread.h"
#include <stdio.h>
#include <stdlib.h>
/* Protected by the PRMonitor 'mon' in the main function. */
static PRBool done = PR_FALSE;
static void ThreadFunc(void *arg)
{
PRMonitor *mon = (PRMonitor *)arg;
PRStatus rv;
PR_EnterMonitor(mon);
done = PR_TRUE;
rv = PR_Notify(mon);
PR_ASSERT(rv == PR_SUCCESS);
rv = PR_ExitMonitor(mon);
PR_ASSERT(rv == PR_SUCCESS);
}
int main()
{
PRMonitor *mon;
PRThread *thread;
PRStatus rv;
mon = PR_NewMonitor();
if (!mon) {
fprintf(stderr, "PR_NewMonitor failed\n");
exit(1);
}
thread = PR_CreateThread(PR_USER_THREAD, ThreadFunc, mon,
PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD,
PR_JOINABLE_THREAD, 0);
if (!thread) {
fprintf(stderr, "PR_CreateThread failed\n");
exit(1);
}
PR_EnterMonitor(mon);
while (!done) {
rv = PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT);
PR_ASSERT(rv == PR_SUCCESS);
}
rv = PR_ExitMonitor(mon);
PR_ASSERT(rv == PR_SUCCESS);
/*
* Do you agree it should be safe to destroy 'mon' now?
* See bug 844784 comment 27.
*/
PR_DestroyMonitor(mon);
rv = PR_JoinThread(thread);
PR_ASSERT(rv == PR_SUCCESS);
printf("PASS\n");
return 0;
}