globals.c revision e9fcaa8a 
1/*
2
3Copyright 1989, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included
12in all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
18OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20OTHER DEALINGS IN THE SOFTWARE.
21
22Except as contained in this notice, the name of The Open Group shall
23not be used in advertising or otherwise to promote the sale, use or
24other dealings in this Software without prior written authorization
25from The Open Group.
26
27*/
28
29/*
30 *
31 *                                 Global data
32 *
33 * This file should contain only those objects which must be predefined.
34 */
35#ifdef HAVE_CONFIG_H
36#include <config.h>
37#endif
38#include <X11/Xlibint.h>
39
40
41/*
42 * If possible, it is useful to have the global data default to a null value.
43 * Some shared library implementations are *much* happier if there isn't any
44 * global initialized data.
45 */
46#ifdef NULL_NOT_ZERO			/* then need to initialize */
47#define SetZero(t,var,z) t var = z
48#else
49#define SetZero(t,var,z) t var
50#endif
51
52#ifdef USL_SHAREDLIB			/* then need extra variables */
53/*
54 * If we need to define extra variables for each global
55 */
56#if !defined(UNIXCPP) || defined(ANSICPP)
57#define ZEROINIT(t,var,val) SetZero(t,var,val); \
58  SetZero (long, _libX_##var##Flag, 0); \
59  SetZero (void *, _libX_##var##Ptr, NULL)
60#else /* else pcc concatenation */
61#define ZEROINIT(t,var,val) SetZero(t,var,val); \
62  SetZero (long, _libX_/**/var/**/Flag, 0); \
63  SetZero (void *, _libX_/**/var/**/Ptr, NULL)
64#endif /* concat ANSI C vs. pcc */
65
66#else /* else not USL_SHAREDLIB */
67/*
68 * no extra crud
69 */
70#define ZEROINIT(t,var,val) SetZero (t, var, val)
71
72#endif /* USL_SHAREDLIB */
73
74
75/*
76 * Error handlers; used to be in XlibInt.c
77 */
78ZEROINIT (XErrorHandler, _XErrorFunction, NULL);
79ZEROINIT (XIOErrorHandler, _XIOErrorFunction, NULL);
80ZEROINIT (_XQEvent *, _qfree, NULL);
81
82
83/*
84 * Debugging information and display list; used to be in XOpenDis.c
85 */
86ZEROINIT (int, _Xdebug, 0);
87ZEROINIT (Display *, _XHeadOfDisplayList, NULL);
88
89
90
91#if 0
92#ifdef STREAMSCONN
93
94
95/* The following are how the Xstream connections are used:              */
96/*      1)      Local connections over pseudo-tty ports.                */
97/*      2)      SVR4 local connections using named streams or SVR3.2    */
98/*              local connections using streams.                        */
99/*      3)      SVR4 stream pipe code. This code is proprietary and     */
100/*              the actual code is not included in the XC distribution. */
101/*      4)      remote connections using tcp                            */
102/*      5)      remote connections using StarLan                        */
103
104/*
105 * descriptor block for streams connections
106 */
107
108#include "Xstreams.h"
109
110char _XsTypeOfStream[100] = { 0 };
111
112extern int write();
113extern int close();
114#ifdef SVR4
115extern int _XsSetupSpStream();
116extern int _XsSetupNamedStream();
117#endif
118extern int _XsSetupLocalStream();
119extern int _XsConnectLocalClient();
120extern int _XsCallLocalServer();
121extern int _XsReadLocalStream();
122extern int _XsErrorCall();
123extern int _XsWriteLocalStream();
124extern int _XsCloseLocalStream();
125extern int _XsSetupTliStream();
126extern int _XsConnectTliClient();
127extern int _XsCallTliServer();
128extern int _XsReadTliStream();
129extern int _XsWriteTliStream();
130extern int _XsCloseTliStream();
131
132
133Xstream _XsStream[] = {
134
135    {
136	/* local connections using pseudo-ttys */
137
138	_XsSetupLocalStream,
139	_XsConnectLocalClient,
140	_XsCallLocalServer,
141	_XsReadLocalStream,
142	_XsErrorCall,
143	write,
144	close,
145	NULL
146    },
147    {
148#ifdef SVR4
149	/* local connections using named streams */
150
151        _XsSetupNamedStream,
152#else
153	/* local connections using streams */
154        _XsSetupLocalStream,
155#endif
156        _XsConnectLocalClient,
157        _XsCallLocalServer,
158        _XsReadLocalStream,
159        _XsErrorCall,
160        write,
161        close,
162        NULL
163    },
164    /* Enhanced Application Compatibility Support */
165    {
166#ifdef SVR4
167	/* SVR4 stream pipe code */
168	_XsSetupSpStream,
169#else
170	_XsSetupLocalStream,
171#endif
172	_XsConnectLocalClient,
173	_XsCallLocalServer,
174	_XsReadLocalStream,
175	_XsErrorCall,
176	write,
177	close,
178	NULL
179    },
180    /* End Enhanced Application Compatibility Support */
181
182    {
183	/* remote connections using tcp */
184        _XsSetupTliStream,
185        _XsConnectTliClient,
186        _XsCallTliServer,
187        _XsReadLocalStream,
188        _XsErrorCall,
189	write,
190	close,
191	NULL
192    },
193    {
194	/* remote connections using StarLan */
195        _XsSetupTliStream,
196        _XsConnectTliClient,
197        _XsCallTliServer,
198        _XsReadLocalStream,
199        _XsErrorCall,
200        write,
201        close,
202        NULL
203    }
204};
205
206
207#endif /* STREAMSCONN */
208#endif
209
210
211#ifdef XTEST1
212/*
213 * Stuff for input synthesis extension:
214 */
215/*
216 * Holds the two event type codes for this extension.  The event type codes
217 * for this extension may vary depending on how many extensions are installed
218 * already, so the initial values given below will be added to the base event
219 * code that is aquired when this extension is installed.
220 *
221 * These two variables must be available to programs that use this extension.
222 */
223int			XTestInputActionType = 0;
224int			XTestFakeAckType   = 1;
225#endif
226
227/*
228 * NOTE: any additional external definition NEED
229 * to be inserted BELOW this point!!!
230 */
231
232/*
233 * NOTE: any additional external definition NEED
234 * to be inserted ABOVE this point!!!
235 */
236