--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javacommons/utils/src/monitor.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,129 @@
+/*
+* Copyright (c) 2007-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#include "logger.h"
+#include "monitor.h"
+
+#ifndef __SYMBIAN32__
+#include <sys/time.h>
+#include <errno.h>
+#endif
+using namespace java::util;
+
+Monitor::Monitor() : mWaiting(false), mNotifyBeforeWait(false)
+{
+    JELOG2(EUtils);
+}
+
+Monitor::~Monitor()
+{
+    JELOG2(EUtils);
+    pthread_mutex_destroy(&mMutex);
+    pthread_cond_destroy(&mCondVar);
+}
+
+OS_EXPORT Monitor* Monitor::createMonitor()
+{
+    JELOG2(EUtils);
+    int result = -1;
+    Monitor* monitor = new Monitor();
+    if (monitor)
+    {
+        result = pthread_mutex_init(&monitor->mMutex, 0);
+        if (result == 0)
+        {
+            result = pthread_cond_init(&monitor->mCondVar, 0);
+            if (result != 0)
+            {
+                ELOG(EUtils, "Monitor::createMonitor() "
+                     "pthread_cond_init() failed");
+            }
+        }
+        else
+        {
+            ELOG(EUtils, "Monitor::createMonitor() "
+                 "pthread_mutex_init() failed");
+        }
+    }
+    else
+    {
+        ELOG(EUtils, "Monitor::createMonitor() "
+             "new Monitor() failed");
+    }
+    if (result != 0 && monitor)
+    {
+        delete monitor;
+        monitor = 0;
+    }
+    return monitor;
+}
+
+OS_EXPORT int Monitor::wait(int timeOut)
+{
+    JELOG4(EUtils, EEntryLog & EInfoHeavyLoad);
+    pthread_mutex_lock(&mMutex);
+    if (!mNotifyBeforeWait)
+    {
+        mWaiting = true;
+        if (timeOut == 0)
+        {
+            while (mWaiting)
+            {
+                pthread_cond_wait(&mCondVar, &mMutex);
+            }
+        }
+        else
+        {
+            struct timeval currentTimeVal;
+            struct timespec timeOutTime;
+            gettimeofday(&currentTimeVal, 0);
+            timeOutTime.tv_sec = currentTimeVal.tv_sec + timeOut / 1000;
+            timeOutTime.tv_nsec =
+                currentTimeVal.tv_usec * 1000 + (timeOut % 1000) * 1000 * 1000;
+
+            int err = pthread_cond_timedwait(&mCondVar, &mMutex, &timeOutTime);
+            if (err != ETIMEDOUT)
+            {
+                ELOG1(EUtils, "Monitor: Timed wait failed, err = %d", err);
+            }
+        }
+    }
+    else
+    {
+        mNotifyBeforeWait = false;
+    }
+    pthread_mutex_unlock(&mMutex);
+    return 0;
+}
+
+OS_EXPORT int Monitor::notify()
+{
+    JELOG4(EUtils, EEntryLog & EInfoHeavyLoad);
+    pthread_mutex_lock(&mMutex);
+    if (mWaiting)
+    {
+        pthread_cond_signal(&mCondVar);
+    }
+    else
+    {
+        mNotifyBeforeWait = true;
+    }
+    mWaiting = false;
+    pthread_mutex_unlock(&mMutex);
+    return 0;
+}