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/* Copyright (C) 2003-2018 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; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sysdep.h>
#include <time.h>
#include <y2038-support.h>
#include "kernel-posix-cpu-timers.h"
/* The REALTIME clock is definitely supported in the kernel. */
#define SYSDEP_SETTIME \
case CLOCK_REALTIME: \
retval = INLINE_SYSCALL (clock_settime, 2, clock_id, tp); \
break
/* We handled the REALTIME clock here. */
#define HANDLED_REALTIME 1
#define HANDLED_CPUTIME 1
#define SYSDEP_SETTIME_CPU \
retval = INLINE_SYSCALL (clock_settime, 2, clock_id, tp)
/* 64-bit time version */
# define DO_CLOCK_SETTIME_32 \
if (! fits_in_time_t(tp->tv_sec)) \
{ \
__set_errno (EOVERFLOW); \
retval = -1; \
} \
else \
{ \
valid_timespec64_to_timespec(tp, &ts32); \
retval = INLINE_SYSCALL (clock_settime, 2, clock_id, &ts32); \
}
#ifdef __NR_clock_settime64
/* We are building with a 64-bit-time clock_gettime syscall */
# define DO_CLOCK_SETTIME_64 \
if (__y2038_linux_support > 0) \
{ \
ts64.tv_sec = tp->tv_sec; \
ts64.tv_nsec = tp->tv_nsec; \
ts64.tv_pad = 0; \
retval = INLINE_SYSCALL (clock_settime64, 2, clock_id, &ts64); \
if (retval == 1 && errno==ENOSYS) \
{ \
__y2038_linux_support = -1; \
DO_CLOCK_SETTIME_32; \
} \
} \
else \
{ \
DO_CLOCK_SETTIME_32; \
}
# define SYSDEP_SETTIME64_CPUTIME \
struct __timespec64 ts64; \
struct timespec ts32
#else
/* We are building without a 64-bit-time clock_gettime syscall */
# define DO_CLOCK_SETTIME_64 DO_CLOCK_SETTIME_32
# define SYSDEP_SETTIME64_CPUTIME \
struct timespec ts32
#endif
#define SYSDEP_SETTIME64 \
SYSDEP_SETTIME64_CPUTIME; \
case CLOCK_REALTIME: \
DO_CLOCK_SETTIME_64; \
break
#include <sysdeps/unix/clock_settime.c>
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