5c008e3634
git-svn-id: https://pupnp.svn.sourceforge.net/svnroot/pupnp/trunk@432 119443c7-1b9e-41f8-b6fc-b9c35fce742c
172 lines
4.7 KiB
C
172 lines
4.7 KiB
C
/*******************************************************************************
|
|
*
|
|
* Copyright (c) 2000-2003 Intel Corporation
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* * Neither name of Intel Corporation nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
******************************************************************************/
|
|
|
|
|
|
#ifndef TIMERTHREAD_H
|
|
#define TIMERTHREAD_H
|
|
|
|
|
|
/*!
|
|
* \file
|
|
*/
|
|
|
|
|
|
#include "FreeList.h"
|
|
#include "ithread.h"
|
|
#include "LinkedList.h"
|
|
#include "ThreadPool.h"
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
#define INVALID_EVENT_ID (-10 & 1<<29)
|
|
|
|
|
|
/* Timeout Types */
|
|
/* absolute means in seconds from Jan 1, 1970 */
|
|
/* relative means in seconds from current time */
|
|
typedef enum timeoutType {ABS_SEC,REL_SEC} TimeoutType;
|
|
|
|
|
|
/*!
|
|
* A timer thread similar to the one in the Upnp SDK that allows
|
|
* the scheduling of a job to run at a specified time in the future.
|
|
*
|
|
* Because the timer thread uses the thread pool there is no
|
|
* gurantee of timing, only approximate timing.
|
|
*
|
|
* Uses ThreadPool, Mutex, Condition, Thread.
|
|
*/
|
|
typedef struct TIMERTHREAD
|
|
{
|
|
ithread_mutex_t mutex;
|
|
ithread_cond_t condition;
|
|
int lastEventId;
|
|
LinkedList eventQ;
|
|
int shutdown;
|
|
FreeList freeEvents;
|
|
ThreadPool *tp;
|
|
} TimerThread;
|
|
|
|
|
|
/*!
|
|
* Struct to contain information for a timer event.
|
|
*
|
|
* Internal to the TimerThread.
|
|
*/
|
|
typedef struct TIMEREVENT
|
|
{
|
|
ThreadPoolJob job;
|
|
/*! [in] Absolute time for event in seconds since Jan 1, 1970. */
|
|
time_t eventTime;
|
|
/*! [in] Long term or short term job. */
|
|
Duration persistent;
|
|
int id;
|
|
} TimerEvent;
|
|
|
|
|
|
/*!
|
|
* \brief Initializes and starts timer thread.
|
|
*
|
|
* \return 0 on success, nonzero on failure. Returns error from
|
|
* ThreadPoolAddPersistent on failure.
|
|
*/
|
|
int TimerThreadInit(
|
|
/*! [in] Valid timer thread pointer. */
|
|
TimerThread *timer,
|
|
/*! [in] Valid thread pool to use. Must be started. Must be valid for
|
|
* lifetime of timer. Timer must be shutdown BEFORE thread pool. */
|
|
ThreadPool *tp);
|
|
|
|
|
|
/*!
|
|
* \brief Schedules an event to run at a specified time.
|
|
*
|
|
* \return 0 on success, nonzero on failure, EOUTOFMEM if not enough memory
|
|
* to schedule job.
|
|
*/
|
|
int TimerThreadSchedule(
|
|
/*! [in] Valid timer thread pointer. */
|
|
TimerThread* timer,
|
|
/*! [in] time of event. Either in absolute seconds, or relative
|
|
* seconds in the future. */
|
|
time_t time,
|
|
/*! [in] either ABS_SEC, or REL_SEC. If REL_SEC, then the event
|
|
* will be scheduled at the current time + REL_SEC. */
|
|
TimeoutType type,
|
|
/*! [in] Valid Thread pool job with following fields. */
|
|
ThreadPoolJob *job,
|
|
/*! [in] . */
|
|
Duration duration,
|
|
/*! [in] Id of timer event. (out, can be null). */
|
|
int *id);
|
|
|
|
|
|
/*!
|
|
* \brief Removes an event from the timer Q.
|
|
*
|
|
* Events can only be removed before they have been placed in the thread pool.
|
|
*
|
|
* \return 0 on success, INVALID_EVENT_ID on failure.
|
|
*/
|
|
int TimerThreadRemove(
|
|
/*! [in] Valid timer thread pointer. */
|
|
TimerThread *timer,
|
|
/*! [in] Id of event to remove. */
|
|
int id,
|
|
/*! [in] Space for thread pool job. */
|
|
ThreadPoolJob *out);
|
|
|
|
|
|
/*!
|
|
* \brief Shutdown the timer thread.
|
|
*
|
|
* Events scheduled in the future will NOT be run.
|
|
*
|
|
* Timer thread should be shutdown BEFORE it's associated thread pool.
|
|
*
|
|
* \return 0 if succesfull, nonzero otherwise. Always returns 0.
|
|
*/
|
|
int TimerThreadShutdown(
|
|
/*! [in] Valid timer thread pointer. */
|
|
TimerThread *timer);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* TIMER_THREAD_H */
|
|
|