/usr/include/mama/timer.h is in libmama-dev 2.2.2.1-11.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* OpenMAMA: The open middleware agnostic messaging API
* Copyright (C) 2011 NYSE Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef WTimerH__
#define WTimerH__
#include <mama/status.h>
#include <mama/types.h>
#include <mama/queue.h>
#if defined( __cplusplus )
extern "C"
{
#endif /* defined( __cplusplus ) */
/**
* Prototype for callback invoked by timer.
*
* @param timer The timer handle.
* @param closure Caller supplied closure.
*/
typedef void (MAMACALLTYPE *mamaTimerCb)(mamaTimer timer, void *closure);
/**
* Create a repeating timer. Since the mamaTimer relies on the timer mechanism of the
* underlying middleware, the resolution of the timer is also dependent on the
* middleware. Consult your middleware documentation for details.
*
* The callback is invoked repeatedly at the specified interval until the timer
* is destroyed.
*
* @param result A pointer to the timer handle.
* @param queue The queue from which the timer event will be dispatched.
* @param action The callback to be invoked after the interval.
* @param closure The closure that is passed to the callback.
* @param interval: The interval in seconds.
*/
MAMAExpDLL
extern mama_status
mamaTimer_create(mamaTimer* result,
mamaQueue queue,
mamaTimerCb action,
mama_f64_t interval,
void* closure);
/**
* Create a repeating timer. Since the mamaTimer relies on the timer mechanism of the
* underlying middleware, the resolution of the timer is also dependent on the
* middleware. Consult your middleware documentation for details.
*
* The callback is invoked repeatedly at the specified interval until the timer
* is destroyed.
*
* @param result A pointer to the timer handle.
* @param queue The queue from which the timer event will be dispatched.
* @param action The callback to be invoked after the interval.
* @param onTimerDestroyed This callback will be invoked whenever the timer is destroyed,
* can be NULL.
* @param closure The closure that is passed to the callback.
* @param interval: The interval in seconds.
*/
MAMAExpDLL
extern mama_status
mamaTimer_create2(mamaTimer* result,
mamaQueue queue,
mamaTimerCb action,
mamaTimerCb onTimerDestroyed,
mama_f64_t interval,
void* closure);
/**
* Allocate a repeating timer.
*
* @param result A pointer to the timer handle.
* @param queue The queue from which the timer event will be dispatched.
*/
MAMAExpDLL
extern mama_status
mamaTimer_allocate(mamaTimer* result,
mamaQueue queue);
/**
* Allocate a repeating timer.
*
* @param result A pointer to the timer handle.
* @param queue The queue from which the timer event will be dispatched.
* @param onTimerDestroyed Callback will be invoked whenever the timer has been
* completely destroyed.
*/
MAMAExpDLL
extern mama_status
mamaTimer_allocate2(mamaTimer* result,
mamaQueue queue,
mamaTimerCb onTimerDestroyed);
/**
* Start a repeating timer created using allocate
*
* The callback is invoked repeatedly at the specified interval until the timer
* is destroyed.
*
* @param result The timer handle returned from allocate.
* @param queue The queue from which the timer event will be dispatched.
* @param action The callback to be invoked after the interval.
* @param closure The closure that is passed to the callback.
* @param interval: The interval in seconds.
*/
MAMAExpDLL
extern mama_status
mamaTimer_start(mamaTimer result,
mamaTimerCb action,
mama_f64_t interval,
void* closure);
/**
* Destroy the timer.
* This function must be called from the same thread dispatching on the
* associated event queue unless both the default queue and dispatch queue are
* not actively dispatching.
* Note that this function is asynchronous and is only guaranteed to have finished
* whenever the onTimerDestroyed function passed to the mamaTimer_create2 has been
* called.
* @param timer The mamaTimer to be destroyed.
*/
MAMAExpDLL
extern mama_status
mamaTimer_destroy(mamaTimer timer);
/**
* Reset the timer to the beginning of the interval.
*
* @param timer The mamaTimer to be reset.
*/
MAMAExpDLL
extern mama_status
mamaTimer_reset(mamaTimer timer);
/**
* Set the timer to use a different interval (and reset to the
* beginning of that interval).
*
* @param timer The mamaTimer to change the interval.
* @param interval The new interval for the timer.
*/
MAMAExpDLL
extern mama_status
mamaTimer_setInterval(mamaTimer timer,
mama_f64_t interval);
/**
* Get the current timer interval.
*
* @param timer The mamaTimer.
* @param interval Address of the location where the interval will be written.
*/
MAMAExpDLL
extern mama_status
mamaTimer_getInterval(const mamaTimer timer,
mama_f64_t* interval);
/**
* Return the <code>mamaQueue</code> for this timer.
*
* @param timer The timer.
* @param queue A pointer to hold the queue.
*/
MAMAExpDLL
extern mama_status
mamaTimer_getQueue (const mamaTimer timer,
mamaQueue* queue);
#if defined( __cplusplus )
}
#endif /* defined( __cplusplus ) */
#endif /* WTimerH__ */
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