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phc.h
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phc.h
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/**
* @file phc.h
* @note Copyright (C) 2011 Richard Cochran <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef HAVE_PHC_H
#define HAVE_PHC_H
#include "missing.h"
/**
* Opens a PTP hardware clock device.
*
* @param phc The device to open.
*
* @return A valid clock ID on success, CLOCK_INVALID otherwise.
*/
clockid_t phc_open(char *phc);
/**
* Closes a PTP hardware clock device.
*
* @param clkid A clock ID obtained using phc_open().
*/
void phc_close(clockid_t clkid);
#endif