Changeset 9415601 in mainline

Timestamp:

2008-01-26T12:08:29Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

b8b23c8

Parents:

19077a5

Message:

Additional VFS lookup flags.

File:

• uspace/srv/vfs/vfs.h (modified) (1 diff)

uspace/srv/vfs/vfs.h

@@ -139 +139 @@
 } vfs_triplet_t;
 
+/*
+ * Lookup flags.
+ */
+/**
+ * Lookup will succeed only if the object is a regular file.  If L_CREATE is
+ * specified, an empty file will be created. This flag is mutually exclusive
+ * with L_DIRECTORY.
+ */
 #define L_FILE          1
+/**
+ * Lookup wil succeed only if the object is a directory. If L_CREATE is
+ * specified, an empty directory will be created. This flag is mutually
+ * exclusive with L_FILE.
+ */
 #define L_DIRECTORY     2
+/**
+ * When used with L_CREATE, L_EXCLUSIVE will cause the lookup to fail if the
+ * object already exists. L_EXCLUSIVE is implied when L_DIRECTORY is used.
+ */
+#define L_EXCLUSIVE     4
+/**
+ * L_CREATE is used for creating both regular files and directories.
+ */
+#define L_CREATE        8
+/**
+ * L_DESTROY is used to remove leaves from the file system namespace. This flag
+ * cannot be passed directly by the client, but will be set by VFS during
+ * VFS_UNLINK.
+ */
+#define L_DESTROY       16
 
 typedef struct {