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unix: implement uv_tty_set_mode

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This commit is contained in:
Ryan Dahl 2011-09-12 14:52:59 -07:00
parent 4484d61fe1
commit e7eeacb4ae
1 changed files with 31 additions and 1 deletions
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32
src/unix/tty.c
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@ -23,9 +23,12 @@
#include "internal.h"
#include <assert.h>
#include <termios.h>
#include <errno.h>
int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, int fd) {
uv__nonblock(fd, 1);
uv__stream_init(loop, (uv_stream_t*)tty, UV_TTY);
uv__stream_open((uv_stream_t*)tty, fd, UV_READABLE | UV_WRITABLE);
loop->counters.tty_init++;
@ -34,6 +37,33 @@ int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, int fd) {
int uv_tty_set_mode(uv_tty_t* tty, int mode) {
assert(0 && "implement me");
int fd = tty->fd;
struct termios orig_termios; /* in order to restore at exit */
struct termios raw;
if (tcgetattr(fd, &orig_termios) == -1) goto fatal;
raw = orig_termios; /* modify the original mode */
/* input modes: no break, no CR to NL, no parity check, no strip char,
* no start/stop output control. */
raw.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
/* output modes */
raw.c_oflag |= (ONLCR);
/* control modes - set 8 bit chars */
raw.c_cflag |= (CS8);
/* local modes - echoing off, canonical off, no extended functions,
* no signal chars (^Z,^C) */
raw.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
/* control chars - set return condition: min number of bytes and timer.
* We want read to return every single byte, without timeout. */
raw.c_cc[VMIN] = 1; raw.c_cc[VTIME] = 0; /* 1 byte, no timer */
/* put terminal in raw mode after flushing */
if (tcsetattr(fd, TCSAFLUSH, &raw) < 0) goto fatal;
return 0;
fatal:
uv_err_new(tty->loop, ENOTTY);
return -1;
}