sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Name        : timer_funcs.cpp
sl@0: // Part of     : librt-timer specific cpp file
sl@0: // This is a project specific source file for building the 
sl@0: // timer related functions as part of librt library.
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <signal.h>
sl@0: #include <time.h>
sl@0: #include <errno.h>
sl@0: 
sl@0: #include "lposix.h"
sl@0: #include "timerhandler.h"
sl@0: 
sl@0: const TInt KErrWouldBlock=-1000;
sl@0: 
sl@0: extern "C" {
sl@0: 
sl@0: /* Create new per-process timer using CLOCK_ID.  */
sl@0: EXPORT_C int timer_create (clockid_t __clock_id,
sl@0:                          struct sigevent *__restrict __evp,
sl@0:                          timer_t *__restrict __timerid)
sl@0: 	{
sl@0: 	if(__timerid == NULL)
sl@0: 		{
sl@0: 		errno = EFAULT;	
sl@0: 		return -1;
sl@0: 		}
sl@0: 		
sl@0: 	if(__clock_id != CLOCK_REALTIME)
sl@0: 		{
sl@0: 		errno = EINVAL;	
sl@0: 		return -1;
sl@0: 		}
sl@0: 		
sl@0: 	int err = getTimerHandler()->CreateTimer(*__timerid, __evp);
sl@0: 	 
sl@0: 	if (err == KErrWouldBlock)
sl@0: 		{
sl@0: 		return MapError(EAGAIN, errno);
sl@0: 		}
sl@0: 	
sl@0: 	return MapError(err, errno);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /* Delete timer TIMERID.  */
sl@0: EXPORT_C int timer_delete (timer_t __timerid)
sl@0: 	{
sl@0: 	return MapError(getTimerHandler()->RemoveTimer(__timerid),errno);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: /* Set timer TIMERID to VALUE, returning old value in OVLAUE.  */
sl@0: EXPORT_C int timer_settime (timer_t __timerid, int __flags,
sl@0:                           const struct itimerspec *__restrict __value,
sl@0:                           struct itimerspec *__restrict __ovalue)
sl@0: 	{
sl@0: 	return MapError(getTimerHandler()->SetTime(__timerid, __flags, __value, __ovalue),errno);
sl@0: 	}
sl@0: 
sl@0: /* Get current value of timer TIMERID and store it in VLAUE.  */
sl@0: EXPORT_C int timer_gettime (timer_t __timerid, struct itimerspec *__value)
sl@0: 	{
sl@0: 	if(__value == NULL)
sl@0: 		{
sl@0: 		errno = EFAULT;	
sl@0: 		return -1;
sl@0: 		}
sl@0: 		
sl@0: 	return MapError(getTimerHandler()->Time(__timerid, __value),errno);
sl@0: 	}
sl@0: 
sl@0: /* Get expiration overrun for timer TIMERID.  */
sl@0: EXPORT_C int timer_getoverrun (timer_t __timerid)
sl@0: 	{
sl@0: 		
sl@0: #if (!defined SYMBIAN_OE_POSIX_SIGNALS || !defined SYMBIAN_OE_LIBRT)
sl@0: 	__timerid = __timerid;//warning fix	
sl@0: 	errno = ENOSYS;
sl@0: 	return -1;
sl@0: #else
sl@0: 	int overrun = 0;
sl@0: 	int lerr = MapError(getTimerHandler()->OverrunCount(__timerid, overrun),errno); 	
sl@0: 	if(lerr == -1 && errno == EINVAL)
sl@0: 		{
sl@0: 		return lerr;	
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		overrun = (overrun <= 1) ? 0 : (overrun-1);
sl@0: 		}
sl@0:  	
sl@0: 	return overrun;
sl@0: #endif		
sl@0: 	}
sl@0: 
sl@0: } // extern "C"
sl@0: 
sl@0: //EOF
sl@0: 
sl@0: