Changeset 4fe94c66 in mainline for uspace/srv/vfs/vfs_file.c

Timestamp:

2011-01-26T00:57:06Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

12573db, bf75e3cb

Parents:

8b65e547

Message:

Now when the table of open files is shared by multiple connections of
one client task, it became necessary to maintain the vfs_file_t
references obtained from vfs_file_get() explicitly.

File:

• uspace/srv/vfs/vfs_file.c (modified) (2 diffs)

uspace/srv/vfs/vfs_file.c

@@ -258 +258 @@
         if ((fd >= 0) && (fd < MAX_OPEN_FILES)) {
                 vfs_file_t *file = FILES[fd];
+                vfs_file_addref(file);
                 fibril_mutex_unlock(&VFS_DATA->lock);
                 return file;
@@ -266 +267 @@
 }
 
+/** Stop using a file structure.
+ *
+ * @param file          VFS file structure.
+ */
+void vfs_file_put(vfs_file_t *file)
+{
+        fibril_mutex_lock(&VFS_DATA->lock);
+        vfs_file_delref(file);
+        fibril_mutex_unlock(&VFS_DATA->lock);
+}
+
 /**
  * @}