--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/posixrealtimeextensions/src/timer_funcs.cpp Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,116 @@
+// Copyright (c) 2008-2009 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:
+// Name : timer_funcs.cpp
+// Part of : librt-timer specific cpp file
+// This is a project specific source file for building the
+// timer related functions as part of librt library.
+//
+//
+
+#include <signal.h>
+#include <time.h>
+#include <errno.h>
+
+#include "lposix.h"
+#include "timerhandler.h"
+
+const TInt KErrWouldBlock=-1000;
+
+extern "C" {
+
+/* Create new per-process timer using CLOCK_ID. */
+EXPORT_C int timer_create (clockid_t __clock_id,
+ struct sigevent *__restrict __evp,
+ timer_t *__restrict __timerid)
+ {
+ if(__timerid == NULL)
+ {
+ errno = EFAULT;
+ return -1;
+ }
+
+ if(__clock_id != CLOCK_REALTIME)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ int err = getTimerHandler()->CreateTimer(*__timerid, __evp);
+
+ if (err == KErrWouldBlock)
+ {
+ return MapError(EAGAIN, errno);
+ }
+
+ return MapError(err, errno);
+ }
+
+
+/* Delete timer TIMERID. */
+EXPORT_C int timer_delete (timer_t __timerid)
+ {
+ return MapError(getTimerHandler()->RemoveTimer(__timerid),errno);
+ }
+
+
+
+/* Set timer TIMERID to VALUE, returning old value in OVLAUE. */
+EXPORT_C int timer_settime (timer_t __timerid, int __flags,
+ const struct itimerspec *__restrict __value,
+ struct itimerspec *__restrict __ovalue)
+ {
+ return MapError(getTimerHandler()->SetTime(__timerid, __flags, __value, __ovalue),errno);
+ }
+
+/* Get current value of timer TIMERID and store it in VLAUE. */
+EXPORT_C int timer_gettime (timer_t __timerid, struct itimerspec *__value)
+ {
+ if(__value == NULL)
+ {
+ errno = EFAULT;
+ return -1;
+ }
+
+ return MapError(getTimerHandler()->Time(__timerid, __value),errno);
+ }
+
+/* Get expiration overrun for timer TIMERID. */
+EXPORT_C int timer_getoverrun (timer_t __timerid)
+ {
+
+#if (!defined SYMBIAN_OE_POSIX_SIGNALS || !defined SYMBIAN_OE_LIBRT)
+ __timerid = __timerid;//warning fix
+ errno = ENOSYS;
+ return -1;
+#else
+ int overrun = 0;
+ int lerr = MapError(getTimerHandler()->OverrunCount(__timerid, overrun),errno);
+ if(lerr == -1 && errno == EINVAL)
+ {
+ return lerr;
+ }
+ else
+ {
+ overrun = (overrun <= 1) ? 0 : (overrun-1);
+ }
+
+ return overrun;
+#endif
+ }
+
+} // extern "C"
+
+//EOF
+
+