Formerly trivfs.h.~6~

1 files changed, 42 insertions, 5 deletions

diff --git a/libtrivfs/trivfs.h b/libtrivfs/trivfs.h
index 1af5994a..52f12f98 100644
--- a/libtrivfs/trivfs.h
+++ b/libtrivfs/trivfs.h
@@ -19,14 +19,25 @@
 struct trivfs_protid
 {
   struct port_info pi;
+  uid_t *uids, *gids;
+  int nuids, ngids;
   int isroot;
   mach_port_t realnode;		/* restricted permissions */
+  void *hook;			/* for user use */
+  struct trivfs_peropen *po;
+};
+
+struct trivfs_peropen
+{
+  void *hook;			/* for user use */
+  int refcnt;
   struct trivfs_control *cntl;
 };
 
 struct trivfs_control
 {
   struct port_info pi;
+  int protidtypes;
   mach_port_t underlying;
 };
 
@@ -38,8 +49,10 @@ extern int trivfs_support_read;
 extern int trivfs_support_write;
 extern int trivfs_support_exec;
 
-extern int trivfs_protid_porttype;
-extern int trivfs_cntl_porttype;
+extern int trivfs_protid_porttypes[];
+extern int trivfs_protid_nporttypes;
+extern int trivfs_cntl_porttypes[];
+extern int trivfs_cntl_nporttypes;
 
 /* The user must define this function.  This should modify a struct 
    stat (as returned from the underlying node) for presentation to
@@ -47,11 +60,30 @@ extern int trivfs_cntl_porttype;
    nothing.  */
 void trivfs_modify_stat (struct stat *);
 
+/* If this variable is set, it is called every time a new protid
+   structure is created and initialized. */
+void (*trivfs_protid_create_hook) (struct trivfs_protid *);
+
+/* If this variable is set, it is called every time a new peropen
+   structure is created and initialized. */
+void (*trivfs_peropen_create_hook) (struct trivfs_peropen *);
+
+/* If this variable is set, it is called every time a protid structure
+   is about to be destroyed. */
+void (*trivfs_protid_destroy_hook) (struct trivfs_protid *);
+
+/* If this variable is set, it is called every time a peropen structure
+   is about to be destroyed. */
+void (*trivfs_peropen_destroy_hook) (struct trivfs_peropen *);
+
 /* Call this to create a new control port and return a receive right
    for it; exactly one send right must be created from the returned
    receive right.  UNDERLYING is the underlying port, such as fsys_startup
-   returns as the realnode.  */
-mach_port_t trivfs_handle_port (mach_port_t realnode);
+   returns as the realnode.  PROTIDTYPE is the ports type to be used
+   for ports that refer to this underlying node.  CNTLTYPE is the ports type
+   to be used for the control port for this node. */
+mach_port_t trivfs_handle_port (mach_port_t underlying, int cntltype,
+				int protidtype);
 
 /* Install these as libports cleanroutines for trivfs_protid_porttype
    and trivfs_cntl_porttype respectively. */
@@ -61,4 +93,9 @@ void trivfs_clean_cntl (void *);
 /* This demultiplees messages for trivfs ports. */
 int trivfs_demuxer (mach_msg_header_t *, mach_msg_header_t *);
 
-error_t trivfs_goaway (int);
+/* The user must define this function.  Someone wants the filesystem
+   to go away.  FLAGS are from the set FSYS_GOAWAY_*; REALNODE,
+   CNTLTYPE, and PROTIDTYPE are as from the trivfs_handle_port
+   call which creade this filesystem. */
+error_t trivfs_goaway (int flags, mach_port_t realnode, int cntltype,
+		       int protidtype);