mirror of
https://github.com/cowmonk/cowos.git
synced 2025-10-27 22:43:26 +00:00
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
|
|
* unistd function definitions for NOLIBC
|
|
* Copyright (C) 2017-2022 Willy Tarreau <w@1wt.eu>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _NOLIBC_UNISTD_H
|
|
#define _NOLIBC_UNISTD_H
|
|
|
|
#include "std.h"
|
|
#include "arch.h"
|
|
#include "types.h"
|
|
#include "sys.h"
|
|
|
|
|
|
static __attribute__((unused))
|
|
int msleep(unsigned int msecs)
|
|
{
|
|
struct timeval my_timeval = { msecs / 1000, (msecs % 1000) * 1000 };
|
|
|
|
if (sys_select(0, 0, 0, 0, &my_timeval) < 0)
|
|
return (my_timeval.tv_sec * 1000) +
|
|
(my_timeval.tv_usec / 1000) +
|
|
!!(my_timeval.tv_usec % 1000);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
unsigned int sleep(unsigned int seconds)
|
|
{
|
|
struct timeval my_timeval = { seconds, 0 };
|
|
|
|
if (sys_select(0, 0, 0, 0, &my_timeval) < 0)
|
|
return my_timeval.tv_sec + !!my_timeval.tv_usec;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int usleep(unsigned int usecs)
|
|
{
|
|
struct timeval my_timeval = { usecs / 1000000, usecs % 1000000 };
|
|
|
|
return sys_select(0, 0, 0, 0, &my_timeval);
|
|
}
|
|
|
|
static __attribute__((unused))
|
|
int tcsetpgrp(int fd, pid_t pid)
|
|
{
|
|
return ioctl(fd, TIOCSPGRP, &pid);
|
|
}
|
|
|
|
#endif /* _NOLIBC_UNISTD_H */
|