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/* libc/sys/linux/termios.c - Terminal control */
/* Written 2000 by Werner Almesberger */
#include <errno.h>
#include <sys/types.h>
#include <sys/termios.h>
#include <sys/ioctl.h>
int
tcgetattr(int fd,struct termios *termios_p)
{
return ioctl(fd,TCGETS,termios_p);
}
int
tcsetattr(int fd,int optional_actions,const struct termios *termios_p)
{
int cmd;
switch (optional_actions) {
case TCSANOW:
cmd = TCSETS;
break;
case TCSADRAIN:
cmd = TCSETSW;
break;
case TCSAFLUSH:
cmd = TCSETSF;
break;
default:
errno = EINVAL;
return -1;
}
return ioctl(fd,cmd,termios_p);
}
#if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 4
pid_t
tcgetpgrp(int fd)
{
int p;
if (ioctl(fd,TIOCGPGRP,&p) < 0)
return (pid_t)-1;
return (pid_t)p;
}
int
tcsetpgrp(int fd, pid_t pid)
{
int p = (int)pid;
return ioctl(fd,TIOCSPGRP,&p);
}
#endif /* !_ELIX_LEVEL || _ELIX_LEVEL >= 4 */
int
tcflow (int fd, int action)
{
return ioctl (fd, TCXONC, action);
}
int
tcflush (int fd, int queue_selector)
{
return ioctl (fd, TCFLSH, queue_selector);
}
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