diff options
| author | Roland McGrath <roland@gnu.org> | 1994-06-08 22:04:51 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1994-06-08 22:04:51 +0000 |
| commit | bef3d23bfe36d669be153bd9dec8084ad252649d (patch) | |
| tree | 2d7676659071b6f351e4aea35dbe40d71905c9ba | |
| parent | 6a0acb53ac2af801f94a7f5e56bf244c92337ee9 (diff) | |
Formerly boot.c.~26~
| -rw-r--r-- | boot/boot.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/boot/boot.c b/boot/boot.c index a6b67aeb..7d549e87 100644 --- a/boot/boot.c +++ b/boot/boot.c @@ -142,6 +142,7 @@ ioctl (int fd, int code, void *buf) #define LNOFLSH 0x8000 #define RAW 0x0020 #define ANYP 0x00c0 +#define ECHO 8 struct sgttyb @@ -628,6 +629,7 @@ S_tioctl_tiocseta (mach_port_t port, bits = localbits | LDECCTQ | LLITOUT | LPASS8 | LNOFLSH; ioctl (0, TIOCLSET, &bits); sgb = term_sgb; + sgb.flags &= ~ECHO; sgb.flags |= RAW | ANYP; ioctl (0, TIOCSETN, &sgb); } @@ -1152,7 +1154,36 @@ S_io_select (mach_port_t object, int tag, int *result) { - return EOPNOTSUPP; + fd_set r, w, x; + int n; + + if (object != pseudo_console) + return EOPNOTSUPP; + + FD_ZERO (&r); + FD_ZERO (&w); + FD_ZERO (&x); + FD_SET (0, &r); + FD_SET (0, &w); + FD_SET (0, &x); + + n = select (1, + (type & SELECT_READ) ? &r : 0, + (type & SELECT_WRITE) ? &w : 0, + (type & SELECT_URG) ? &x : 0, + 0); + if (n < 0) + return errno; + + if (! FD_ISSET (0, &r)) + type &= ~SELECT_READ; + if (! FD_ISSET (0, &w)) + type &= ~SELECT_WRITE; + if (! FD_ISSET (0, &x)) + type &= ~SELECT_URG; + + *result = type; + return 0; } kern_return_t |