/usr/include/ros/wall_timer_options.h is in libroscpp-dev 1.11.16-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2009, Willow Garage, Inc.
*
* 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 the names of Stanford University or Willow Garage, Inc. 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 THE COPYRIGHT OWNER 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 ROSCPP_WALL_TIMER_OPTIONS_H
#define ROSCPP_WALL_TIMER_OPTIONS_H
#include "common.h"
#include "ros/forwards.h"
namespace ros
{
/**
* \brief Encapsulates all options available for starting a timer
*/
struct ROSCPP_DECL WallTimerOptions
{
WallTimerOptions()
: period(0.1)
, callback_queue(0)
, oneshot(false)
, autostart(true)
{
}
/*
* \brief Constructor
* \param
*/
WallTimerOptions(WallDuration _period, const WallTimerCallback& _callback, CallbackQueueInterface* _queue,
bool oneshot = false, bool autostart = true)
: period(_period)
, callback(_callback)
, callback_queue(_queue)
, oneshot(oneshot)
, autostart(autostart)
{}
WallDuration period; ///< The period to call the callback at
WallTimerCallback callback; ///< The callback to call
CallbackQueueInterface* callback_queue; ///< Queue to add callbacks to. If NULL, the global callback queue will be used
/**
* A shared pointer to an object to track for these callbacks. If set, the a weak_ptr will be created to this object,
* and if the reference count goes to 0 the subscriber callbacks will not get called.
*
* \note Note that setting this will cause a new reference to be added to the object before the
* callback, and for it to go out of scope (and potentially be deleted) in the code path (and therefore
* thread) that the callback is invoked from.
*/
VoidConstPtr tracked_object;
bool oneshot;
bool autostart;
};
}
#endif
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