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