65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* $XConsortium: SvcTT.c /main/3 1995/10/26 15:30:18 rswiston $ */
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/*%% */
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/*%% RESTRICTED CONFIDENTIAL INFORMATION: */
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/*%% */
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/*%% The information in this document is subject to special */
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/*%% restrictions in a confidential disclosure agreement between */
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/*%% HP, IBM, Sun, USL, SCO and Univel. Do not distribute this */
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/*%% document outside HP, IBM, Sun, USL, SCO, or Univel without */
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/*%% Sun's specific written approval. This document and all copies */
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/*%% and derivative works thereof must be returned or destroyed at */
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/*%% Sun's request. */
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/*%% */
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/* (c) Copyright 1993, 1994 Hewlett-Packard Company */
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/* (c) Copyright 1993, 1994 International Business Machines Corp. */
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/* (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
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/* (c) Copyright 1993, 1994 Novell, Inc. */
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/*%% */
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#include <sys/time.h>
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#include <Dt/SvcTT.h>
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/*
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* Ensure that there is a valid ToolTalk connection open.
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* If none is open, creates one and adds it to the XtAppContext
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* of widget. Returns
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* TT_OK Success.
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* TT_ERR_NOMP ToolTalk could not be initialized.
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* TT_ERR_POINTER widget was null.
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*/
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Tt_status
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_DtSvcInitToolTalk(
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Widget widget
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)
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{
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char *procid;
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Tt_status status;
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int fd;
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XtAppContext ctxt;
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procid = tt_default_procid();
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status = tt_ptr_error( procid );
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if (status == TT_OK) {
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tt_free( procid );
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}
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if ((status == TT_ERR_NOMP) || (status == TT_ERR_PROCID)) {
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if (widget == 0) {
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return TT_ERR_POINTER;
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}
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procid = tt_open(); /* do not tt_free(); Xt will pass it back */
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status = tt_ptr_error( procid );
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if (status != TT_OK) {
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return status;
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}
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fd = tt_fd();
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status = tt_int_error( fd );
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if (status != TT_OK) {
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return status;
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}
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ctxt = XtWidgetToApplicationContext( widget );
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XtAppAddInput( ctxt, fd, (XtPointer)XtInputReadMask,
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tttk_Xt_input_handler, procid );
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}
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return TT_OK;
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}
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