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/* sched_rr_get_interval -- get the scheduler's SCHED_RR policy time interval.
Copyright (C) 2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C 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.
The GNU C 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 the GNU C Library; see the file COPYING.LIB. If
not, see <https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdlib.h>
#include <time.h>
#include <sysdep.h>
#include <kernel-features.h>
int
__sched_rr_get_interval64 (pid_t pid, struct __timespec64 *tp)
{
#ifndef __NR_sched_rr_get_interval_time64
# define __NR_sched_rr_get_interval_time64 __NR_sched_rr_get_interval
#endif
int ret = INLINE_SYSCALL_CALL (sched_rr_get_interval_time64, pid, tp);
#ifndef __ASSUME_TIME64_SYSCALLS
if (ret == 0 || errno != ENOSYS)
return ret;
struct timespec tp32;
ret = INLINE_SYSCALL_CALL (sched_rr_get_interval, pid, &tp32);
if (ret == 0)
*tp = valid_timespec_to_timespec64 (tp32);
#endif
return ret;
}
#if __TIMESIZE != 64
libc_hidden_def (__sched_rr_get_interval64)
int
__sched_rr_get_interval (pid_t pid, struct timespec *tp)
{
int ret;
struct __timespec64 tp64;
ret = __sched_rr_get_interval64 (pid, &tp64);
if (ret == 0)
{
if (! in_time_t_range (tp64.tv_sec))
{
__set_errno (EOVERFLOW);
return -1;
}
*tp = valid_timespec64_to_timespec (tp64);
}
return ret;
}
#endif
strong_alias (__sched_rr_get_interval, sched_rr_get_interval)
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