Add reason argument to close_fd.

Rev: src/io.c:1.27
Rev: src/io.h:1.19

src/io.c

@@ -710,9 +710,9 @@ struct io_fd *io_write(struct io_backend *b,
 /* Marks a file for closing, at the end of the current iteration.
  * FIXME: Could be generalized for other fd:s than read-write fds. */
 
-void close_fd(struct lsh_fd *fd)
+void close_fd(struct lsh_fd *fd, int reason)
 {
   debug("Marking fd %d for closing.\n", fd->fd);
-  
+  fd->close_reason = reason;
   fd->close_now = 1;
 }

src/io.h

@@ -187,6 +187,7 @@ struct io_fd *io_write(struct io_backend *b,
 		       UINT32 block_size,
 		       struct close_callback *close_callback);
 
-void close_fd(struct lsh_fd *fd);
+void close_fd(struct lsh_fd *fd, int reason);
+
 
 #endif /* LSH_IO_H_INCLUDED */