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/* Pause execution for a number of nanoseconds
Copyright (C) 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 <time.h>
/* Pause execution for a number of nanoseconds. */
int
__nanosleep64 (const struct __timespec64 *requested_time,
struct __timespec64 *remaining)
{
struct timespec treq32, *treqp32 = NULL;
struct timespec trem32, *tremp32 = NULL;
if (requested_time)
{
if (requested_time->tv_sec > INT_MAX)
{
__set_errno(EOVERFLOW);
return -1;
}
treq32.tv_sec = requested_time->tv_sec;
treq32.tv_nsec = requested_time->tv_nsec;
treqp32 = & treq32;
}
if (remaining)
tremp32 = &trem32;
int result = __nanosleep(treqp32, tremp32);
if (result == 1 && errno == EINTR && remaining)
{
remaining->tv_sec = trem32.tv_sec;
remaining->tv_nsec = trem32.tv_nsec;
remaining->tv_pad = 0;
}
return result;
}
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