load comments and clientData replacement

FossilOrigin-Name: 9e000cc9a78336ebdde8f8c29f77a326a511042a

1 files changed, 23 insertions, 11 deletions

diff --git a/unix/tclLoadDl.c b/unix/tclLoadDl.c
index aa5fab7..c7402aa 100644
--- a/unix/tclLoadDl.c
+++ b/unix/tclLoadDl.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclLoadDl.c,v 1.10 2002/07/17 20:02:43 vincentdarley Exp $
+ * RCS: @(#) $Id: tclLoadDl.c,v 1.11 2002/07/18 15:04:53 vincentdarley Exp $
  */
 
 #include "tclInt.h"
@@ -38,17 +38,14 @@
 /*
  *---------------------------------------------------------------------------
  *
- * TclpLoadFile --
+ * TclpDlopen --
  *
  *	Dynamically loads a binary code file into memory and returns
- *	the addresses of two procedures within that file, if they
- *	are defined.
+ *	a handle to the new code.
  *
  * Results:
  *	A standard Tcl completion code.  If an error occurs, an error
- *	message is left in the interp's result.  *proc1Ptr and *proc2Ptr
- *	are filled in with the addresses of the symbols given by
- *	*sym1 and *sym2, or NULL if those symbols can't be found.
+ *	message is left in the interp's result. 
  *
  * Side effects:
  *	New code suddenly appears in memory.
@@ -87,6 +84,21 @@ TclpDlopen(interp, pathPtr, loadHandle, unloadProcPtr)
     return TCL_OK;
 }
 
+/*
+ *----------------------------------------------------------------------
+ *
+ * TclpFindSymbol --
+ *
+ *	Looks up a symbol, by name, through a handle associated with
+ *	a previously loaded piece of code (shared library).
+ *
+ * Results:
+ *	Returns a pointer to the function associated with 'symbol' if
+ *	it is found.  Otherwise returns NULL and may leave an error
+ *	message in the interp's result.
+ *
+ *----------------------------------------------------------------------
+ */
 Tcl_PackageInitProc*
 TclpFindSymbol(interp, loadHandle, symbol) 
     Tcl_Interp *interp;
@@ -138,15 +150,15 @@ TclpFindSymbol(interp, loadHandle, symbol)
  */
 
 void
-TclpUnloadFile(clientData)
-    ClientData clientData;	/* ClientData returned by a previous call
-				 * to TclpLoadFile().  The clientData is 
+TclpUnloadFile(loadHandle)
+    TclLoadHandle loadHandle;	/* loadHandle returned by a previous call
+				 * to TclpDlopen().  The loadHandle is 
 				 * a token that represents the loaded 
 				 * file. */
 {
     VOID *handle;
 
-    handle = (VOID *) clientData;
+    handle = (VOID *) loadHandle;
     dlclose(handle);
 }