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#ifndef CYGONCE_POSIX_TIME_H
#define CYGONCE_POSIX_TIME_H
/*=============================================================================
//
// time.h
//
// POSIX time header
//
//=============================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos 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 or (at your option) any later
// version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//=============================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): nickg
// Contributors: nickg, jlarmour
// Date: 2000-03-17
// Purpose: POSIX time header
// Description: This header contains all the definitions needed to support
// the POSIX timer and timer API under eCos.
//
// Usage: Do not include this file directly - instead include <time.h>
//
//
//####DESCRIPTIONEND####
//
//===========================================================================*/
#include <pkgconf/posix.h>
#include <cyg/infra/cyg_type.h>
/*---------------------------------------------------------------------------*/
/* Types for timers and clocks */
typedef int clockid_t;
#ifdef CYGPKG_POSIX_TIMERS
typedef int timer_t;
/* forward declaration - if the app uses it it will have to include
* signal.h anyway
*/
struct sigevent;
#endif
/*---------------------------------------------------------------------------*/
/* Structures */
struct timespec
{
time_t tv_sec;
long tv_nsec;
};
#ifdef CYGPKG_POSIX_TIMERS
struct itimerspec
{
struct timespec it_interval;
struct timespec it_value;
};
#endif
/*---------------------------------------------------------------------------*/
/* Manifest constants */
#define CLOCK_REALTIME 0
#ifdef CYGPKG_POSIX_TIMERS
#define TIMER_ABSTIME 1
#endif
/*---------------------------------------------------------------------------*/
/* Clock functions */
/* Set the clocks current time */
__externC int clock_settime( clockid_t clock_id, const struct timespec *tp);
/* Get the clocks current time */
__externC int clock_gettime( clockid_t clock_id, struct timespec *tp);
/* Get the clocks resolution */
__externC int clock_getres( clockid_t clock_id, struct timespec *tp);
/*---------------------------------------------------------------------------*/
/* Timer functions */
#ifdef CYGPKG_POSIX_TIMERS
/* Create a timer based on the given clock. */
__externC int timer_create( clockid_t clock_id,
struct sigevent *evp,
timer_t *timer_id);
/* Delete the timer */
__externC int timer_delete( timer_t timer_id );
/* Set the expiration time of the timer. */
__externC int timer_settime( timer_t timerid, int flags,
const struct itimerspec *value,
struct itimerspec *ovalue );
/* Get current timer values */
__externC int timer_gettime( timer_t timerid, struct itimerspec *value );
/* Get number of missed triggers */
__externC int timer_getoverrun( timer_t timerid );
#endif
/*---------------------------------------------------------------------------*/
/* Nanosleep */
/* Sleep for the given time. */
__externC int nanosleep( const struct timespec *rqtp,
struct timespec *rmtp);
/*---------------------------------------------------------------------------*/
#endif /* ifndef CYGONCE_POSIX_TIME_H */
/* End of time.h */
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