}
/**
+ * tomoyo_poll_control - poll() for /sys/kernel/security/tomoyo/ interface.
+ *
+ * @file: Pointer to "struct file".
+ * @wait: Pointer to "poll_table".
+ *
+ * Waits for read readiness.
+ * /sys/kernel/security/tomoyo/query is handled by /usr/sbin/tomoyo-queryd .
+ */
+int tomoyo_poll_control(struct file *file, poll_table *wait)
+{
+ struct tomoyo_io_buffer *head = file->private_data;
+ if (!head->poll)
+ return -ENOSYS;
+ return head->poll(file, wait);
+}
+
+/**
* tomoyo_read_control - read() for /sys/kernel/security/tomoyo/ interface.
*
* @file: Pointer to "struct file".
int tomoyo_open_control(const u8 type, struct file *file);
/* Close /sys/kernel/security/tomoyo/ interface. */
int tomoyo_close_control(struct file *file);
+/* Poll operation for /sys/kernel/security/tomoyo/ interface. */
+int tomoyo_poll_control(struct file *file, poll_table *wait);
/* Read operation for /sys/kernel/security/tomoyo/ interface. */
int tomoyo_read_control(struct file *file, char __user *buffer,
const int buffer_len);
}
/**
+ * tomoyo_poll - poll() for /proc/ccs/ interface.
+ *
+ * @file: Pointer to "struct file".
+ * @wait: Pointer to "poll_table".
+ *
+ * Returns 0 on success, negative value otherwise.
+ */
+static unsigned int tomoyo_poll(struct file *file, poll_table *wait)
+{
+ return tomoyo_poll_control(file, wait);
+}
+
+/**
* tomoyo_read - read() for /sys/kernel/security/tomoyo/ interface.
*
* @file: Pointer to "struct file".
static const struct file_operations tomoyo_operations = {
.open = tomoyo_open,
.release = tomoyo_release,
+ .poll = tomoyo_poll,
.read = tomoyo_read,
.write = tomoyo_write,
};