X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Finclude%2Fvfs_ext.h;h=00eeebb5fef0bf152ceddc291d12297e700ae8ba;hb=3f9b3f4cb91ce4ada9c892e6f2a3c69dbb9debd6;hp=a130ac659e7982f8e367c9ece8d99c38a752ea96;hpb=c18c6fea968e72403f9a7b75d6f7f8e3f9e8757f;p=tpg%2Facess2.git

diff --git a/KernelLand/Kernel/include/vfs_ext.h b/KernelLand/Kernel/include/vfs_ext.h
index a130ac65..00eeebb5 100644
--- a/KernelLand/Kernel/include/vfs_ext.h
+++ b/KernelLand/Kernel/include/vfs_ext.h
@@ -13,6 +13,7 @@ typedef Uint64	tInode;
 typedef Uint32	tMount;
 
 // === CONSTANTS ===
+//! Maximum length of a filename (including NULL byte)
 #define FILENAME_MAX	256
 //! Maximum size of a Memory Path generated by VFS_GetMemPath
 #define	VFS_MEMPATH_SIZE	(3 + (BITS/4)*2)
@@ -31,7 +32,7 @@ typedef Uint32	tMount;
 //! Create the file if it doesn't exist
 #define VFS_OPENFLAG_CREATE	0x80
 //! Treat as a directory
-#define VFS_OPENFLAG_DIRECTORY	0x100
+#define VFS_OPENFLAG_DIRECTORY	0x1000
 //! Open as a user
 #define	VFS_OPENFLAG_USER	0x8000
 /**
@@ -115,14 +116,16 @@ enum eVFS_SeekDirs
  */
 typedef struct sVFS_ACL
 {
+	//! ACL entity selection
 	struct {
 		unsigned Group:	1;	//!< Group (as opposed to user) flag
 		unsigned ID:	31;	//!< ID of Group/User (-1 for nobody/world)
-	};
+	} Ent;
+	//! ACL Permissions mask
 	struct {
 		unsigned Inv:	1;	//!< Invert Permissions
 		unsigned Perms:	31;	//!< Permission Flags
-	};
+	} Perm;
 } tVFS_ACL;
 
 /**
@@ -223,6 +226,18 @@ extern int	VFS_OpenInode(Uint32 Mount, Uint64 Inode, int Mode);
  */
 extern void	VFS_Close(int FD);
 
+/**
+ * \brief Copy one FD to another
+ * \param SrcFD	Source file descriptor
+ * \param DstFD	Destination file descriptor (-1 means allocate new)
+ */
+extern int	VFS_DuplicateFD(int SrcFD, int DstFD);
+
+/**
+ * \brief Update the flags on a FD
+ */
+extern int	VFS_SetFDFlags(int FD, int Mask, int Value);
+
 /**
  * \brief Get file information from an open file
  * \param FD	File handle returned by ::VFS_Open