diff options
Diffstat (limited to 'boot/boot.c')
| -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 |