summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1994-06-08 22:04:51 +0000
committerRoland McGrath <roland@gnu.org>1994-06-08 22:04:51 +0000
commitbef3d23bfe36d669be153bd9dec8084ad252649d (patch)
tree2d7676659071b6f351e4aea35dbe40d71905c9ba
parent6a0acb53ac2af801f94a7f5e56bf244c92337ee9 (diff)
Formerly boot.c.~26~
-rw-r--r--boot/boot.c33
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