diff options
Diffstat (limited to 'unix/tclLoadDld.c')
| -rw-r--r-- | unix/tclLoadDld.c | 47 |
1 files changed, 42 insertions, 5 deletions
diff --git a/unix/tclLoadDld.c b/unix/tclLoadDld.c index 0ef994a..7a11bae 100644 --- a/unix/tclLoadDld.c +++ b/unix/tclLoadDld.c @@ -7,12 +7,12 @@ * dld-3.2.7. This file probably isn't needed anymore, since it * makes more sense to use "dl_open" etc. * - * Copyright (c) 1995 Sun Microsystems, Inc. + * Copyright (c) 1995-1997 Sun Microsystems, Inc. * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * SCCS: @(#) tclLoadDld.c 1.5 97/05/14 13:24:22 + * SCCS: @(#) tclLoadDld.c 1.7 97/12/11 10:59:40 */ #include "tclInt.h" @@ -30,7 +30,7 @@ /* *---------------------------------------------------------------------- * - * TclLoadFile -- + * TclpLoadFile -- * * Dynamically loads a binary code file into memory and returns * the addresses of two procedures within that file, if they @@ -38,7 +38,7 @@ * * Results: * A standard Tcl completion code. If an error occurs, an error - * message is left in interp->result. *proc1Ptr and *proc2Ptr + * 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. * @@ -49,7 +49,7 @@ */ int -TclLoadFile(interp, fileName, sym1, sym2, proc1Ptr, proc2Ptr) +TclpLoadFile(interp, fileName, sym1, sym2, proc1Ptr, proc2Ptr, clientDataPtr) Tcl_Interp *interp; /* Used for error reporting. */ char *fileName; /* Name of the file containing the desired * code. */ @@ -58,6 +58,9 @@ TclLoadFile(interp, fileName, sym1, sym2, proc1Ptr, proc2Ptr) Tcl_PackageInitProc **proc1Ptr, **proc2Ptr; /* Where to return the addresses corresponding * to sym1 and sym2. */ + ClientData *clientDataPtr; /* Filled with token for dynamically loaded + * file which will be passed back to + * TclpUnloadFile() to unload the file. */ { static int firstTime = 1; int returnCode; @@ -91,12 +94,46 @@ TclLoadFile(interp, fileName, sym1, sym2, proc1Ptr, proc2Ptr) } *proc1Ptr = (Tcl_PackageInitProc *) dld_get_func(sym1); *proc2Ptr = (Tcl_PackageInitProc *) dld_get_func(sym2); + *clientDataPtr = strcpy( + (char *) ckalloc((unsigned) (strlen(fileName) + 1)), fileName); return TCL_OK; } /* *---------------------------------------------------------------------- * + * TclpUnloadFile -- + * + * Unloads a dynamically loaded binary code file from memory. + * Code pointers in the formerly loaded file are no longer valid + * after calling this function. + * + * Results: + * None. + * + * Side effects: + * Code removed from memory. + * + *---------------------------------------------------------------------- + */ + +void +TclpUnloadFile(clientData) + ClientData clientData; /* ClientData returned by a previous call + * to TclpLoadFile(). The clientData is + * a token that represents the loaded + * file. */ +{ + char *fileName; + + handle = (char *) clientData; + dld_unlink_by_file(handle, 0); + ckfree(handle); +} + +/* + *---------------------------------------------------------------------- + * * TclGuessPackageName -- * * If the "load" command is invoked without providing a package |