/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup POSIXAPI
*
* @brief Set Time of Clock
*/
/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <time.h>
#include <rtems/score/todimpl.h>
#include <rtems/seterr.h>
/*
* 14.2.1 Clocks, P1003.1b-1993, p. 263
*/
int clock_settime(
clockid_t clock_id,
const struct timespec *tp
)
{
Status_Control status;
if ( !tp )
rtems_set_errno_and_return_minus_one( EINVAL );
if ( clock_id == CLOCK_REALTIME ) {
ISR_lock_Context lock_context;
status = _TOD_Is_valid_new_time_of_day( tp );
if ( status != STATUS_SUCCESSFUL ) {
rtems_set_errno_and_return_minus_one( STATUS_GET_POSIX( status ) );
}
_TOD_Lock();
_TOD_Acquire( &lock_context );
status = _TOD_Set( tp, &lock_context );
_TOD_Unlock();
if ( status != STATUS_SUCCESSFUL ) {
rtems_set_errno_and_return_minus_one( STATUS_GET_POSIX( status ) );
}
}
#ifdef _POSIX_CPUTIME
else if ( clock_id == CLOCK_PROCESS_CPUTIME_ID ) {
rtems_set_errno_and_return_minus_one( ENOSYS );
}
#endif
#ifdef _POSIX_THREAD_CPUTIME
else if ( clock_id == CLOCK_THREAD_CPUTIME_ID ) {
rtems_set_errno_and_return_minus_one( ENOSYS );
}
#endif
else {
rtems_set_errno_and_return_minus_one( EINVAL );
}
return 0;
}
