Kernel/VFS: Change polling from variables to functions

Instead of having to store state in variables functions are called to
check the object directly.

1 files changed, 8 insertions, 4 deletions

diff --git a/kernel/poll.c b/kernel/poll.c
index 7107646..4c6e411 100644
--- a/kernel/poll.c
+++ b/kernel/poll.c
@@ -57,11 +57,15 @@ int poll(struct pollfd *fds, size_t nfds, int timeout) {
         fds[i].revents |= POLLHUP;
       }
     } else {
-      if (f->inode->has_data && fds[i].events & POLLIN) {
-        fds[i].revents |= POLLIN;
+      if (f->inode->_has_data) {
+        if (f->inode->_has_data(f->inode) && fds[i].events & POLLIN) {
+          fds[i].revents |= POLLIN;
+        }
       }
-      if (f->inode->can_write && fds[i].events & POLLOUT) {
-        fds[i].revents |= POLLOUT;
+      if (f->inode->_can_write) {
+        if (f->inode->_can_write(f->inode) && fds[i].events & POLLOUT) {
+          fds[i].revents |= POLLOUT;
+        }
       }
       if (!(f->inode->is_open) && fds[i].events & POLLHUP) {
         fds[i].revents |= POLLHUP;