X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fdrivers%2Fchan_kern.c;h=c3e3b94089edf676bc129a0d3b95294956ca5068;hb=c55ad184b24d5cb8408259bf34d293d3b1a2b240;hp=7a8d750864694e8d9490ff92ed7760664c5385b2;hpb=8d40237c730b8be87c1b80a5d96b9c603fefa829;p=linux-2.6.git

diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 7a8d75086..c3e3b9408 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -138,6 +138,54 @@ void generic_free(void *data)
 	kfree(data);
 }
 
+void generic_close(int fd, void *unused)
+{
+	os_close_file(fd);
+}
+
+int generic_read(int fd, char *c_out, void *unused)
+{
+	int n;
+
+	n = os_read_file(fd, c_out, sizeof(*c_out));
+
+	if(n == -EAGAIN)
+		return(0);
+	else if(n == 0)
+		return(-EIO);
+	return(n);
+}
+
+/* XXX Trivial wrapper around os_write_file */
+
+int generic_write(int fd, const char *buf, int n, void *unused)
+{
+	return(os_write_file(fd, buf, n));
+}
+
+int generic_window_size(int fd, void *unused, unsigned short *rows_out,
+			unsigned short *cols_out)
+{
+	int rows, cols;
+	int ret;
+
+	ret = os_window_size(fd, &rows, &cols);
+	if(ret < 0)
+		return(ret);
+
+	ret = ((*rows_out != rows) || (*cols_out != cols));
+
+	*rows_out = rows;
+	*cols_out = cols;
+
+	return(ret);
+}
+
+void generic_free(void *data)
+{
+	kfree(data);
+}
+
 static void tty_receive_char(struct tty_struct *tty, char ch)
 {
 	if(tty == NULL) return;