diff options
Diffstat (limited to 'doc/InitStubs.3')
-rw-r--r-- | doc/InitStubs.3 | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/doc/InitStubs.3 b/doc/InitStubs.3 deleted file mode 100644 index 266a955..0000000 --- a/doc/InitStubs.3 +++ /dev/null @@ -1,91 +0,0 @@ -'\" -'\" Copyright (c) 1999 Scriptics Corportation -'\" -'\" See the file "license.terms" for information on usage and redistribution -'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. -'\" -'\" RCS: @(#) $Id: InitStubs.3,v 1.2 1999/04/30 22:45:00 stanton Exp $ -'\" -.so man.macros -.TH Tcl_InitStubs 3 8.1 Tcl "Tcl Library Procedures" -.BS -.SH NAME -Tcl_InitStubs \- initialize the Tcl stubs mechanism -.SH SYNOPSIS -.nf -\fB#include <tcl.h>\fR -.sp -char * -\fBTcl_InitStubs\fR(\fIinterp, version, exact\fR) -.SH ARGUMENTS -.AS Tcl_Interp *interp in -.AP Tcl_Interp *interp in -Tcl interpreter handle. -.AP char *version in -A version string consisting of one or more decimal numbers -separated by dots. -.AP int exact in -Non-zero means that only the particular version specified by -\fIversion\fR is acceptable. -Zero means that versions newer than \fIversion\fR are also -acceptable as long as they have the same major version number -as \fIversion\fR. -.BE -.SH INTRODUCTION -.PP -The Tcl stubs mechanism defines a way to dynamically bind -extensions to a particular Tcl implementation at run time. -This provides two significant benefits to Tcl users: -.IP 1) 5 -Extensions that use the stubs mechanism can be loaded into -multiple versions of Tcl without being recompiled or -relinked. -.IP 2) 5 -Extensions that use the stubs mechanism can be dynamically -loaded into statically-linked Tcl applications. -.PP -The stubs mechanism accomplishes this by exporting function tables -that define an interface to the Tcl API. The extension then accesses -the Tcl API through offsets into the function table, so there are no -direct references to any of the Tcl library's symbols. This -redirection is transparent to the extension, so an extension writer -can continue to use all public Tcl functions as documented. -.PP -The stubs mechanism requires no changes to applications incorporating -Tcl interpreters. Only developers creating C-based Tcl extensions -need to take steps to use the stubs mechanism with their extensions. -.PP -Enabling the stubs mechanism for an extension requires the following -steps: -.IP 1) 5 -Call \fBTcl_InitStubs\fR in the extension before calling any other -Tcl functions. -.IP 2) 5 -Define the USE_TCL_STUBS symbol. Typically, you would include the --DUSE_TCL_STUBS flag when compiling the extension. -.IP 3) 5 -Link the extension with the Tcl stubs library instead of the standard -Tcl library. On Unix platforms, the library name is -\fIlibtclstub8.1.a\fR; on Windows platforms, the library name is -\fItclstub81.lib\fR. -.PP -If the extension also requires the Tk API, it must also call -\fBTk_InitStubs\fR to initialize the Tk stubs interface and link -with the Tk stubs libraries. See the \fBTk_InitStubs\fR page for -more information. -.SH DESCRIPTION -\fBTcl_InitStubs\fR attempts to initialize the stub table pointers -and ensure that the correct version of Tcl is loaded. In addition -to an interpreter handle, it accepts as arguments a version number -and a Boolean flag indicating whether the extension requires -an exact version match or not. If \fIexact\fR is 0, then the -extension is indicating that newer versions of Tcl are acceptable -as long as they have the same major version number as \fIversion\fR; -non-zero means that only the specified \fIversion\fR is acceptable. -\fBTcl_InitStubs\fR returns a string containing the actual version -of Tcl satisfying the request, or NULL if the Tcl version is not -acceptable, does not support stubs, or any other error condition occurred. -.SH "SEE ALSO" -\fBTk_InitStubs\fR -.SH KEYWORDS -stubs |