globals.c revision b4ee4795 
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#define NEED_EVENTS
36#ifdef HAVE_CONFIG_H
37#include <config.h>
38#endif
39#include <X11/Xlibint.h>
40
41
42/*
43 * If possible, it is useful to have the global data default to a null value.
44 * Some shared library implementations are *much* happier if there isn't any
45 * global initialized data.
46 */
47#ifdef NULL_NOT_ZERO			/* then need to initialize */
48#define SetZero(t,var,z) t var = z
49#else
50#define SetZero(t,var,z) t var
51#endif
52
53#ifdef USL_SHAREDLIB			/* then need extra variables */
54/*
55 * If we need to define extra variables for each global
56 */
57#if !defined(UNIXCPP) || defined(ANSICPP)
58#define ZEROINIT(t,var,val) SetZero(t,var,val); \
59  SetZero (long, _libX_##var##Flag, 0); \
60  SetZero (void *, _libX_##var##Ptr, NULL)
61#else /* else pcc concatenation */
62#define ZEROINIT(t,var,val) SetZero(t,var,val); \
63  SetZero (long, _libX_/**/var/**/Flag, 0); \
64  SetZero (void *, _libX_/**/var/**/Ptr, NULL)
65#endif /* concat ANSI C vs. pcc */
66
67#else /* else not USL_SHAREDLIB */
68/*
69 * no extra crud
70 */
71#define ZEROINIT(t,var,val) SetZero (t, var, val)
72
73#endif /* USL_SHAREDLIB */
74
75
76/*
77 * Error handlers; used to be in XlibInt.c
78 */
79ZEROINIT (XErrorHandler, _XErrorFunction, NULL);
80ZEROINIT (XIOErrorHandler, _XIOErrorFunction, NULL);
81ZEROINIT (_XQEvent *, _qfree, NULL);
82
83
84/*
85 * Debugging information and display list; used to be in XOpenDis.c
86 */
87ZEROINIT (int, _Xdebug, 0);
88ZEROINIT (Display *, _XHeadOfDisplayList, NULL);
89
90
91
92#if 0
93#ifdef STREAMSCONN
94
95
96/* The following are how the Xstream connections are used:              */
97/*      1)      Local connections over pseudo-tty ports.                */
98/*      2)      SVR4 local connections using named streams or SVR3.2    */
99/*              local connections using streams.                        */
100/*      3)      SVR4 stream pipe code. This code is proprietary and     */
101/*              the actual code is not included in the XC distribution. */
102/*      4)      remote connections using tcp                            */
103/*      5)      remote connections using StarLan                        */
104
105/*
106 * descriptor block for streams connections
107 */
108
109#include "Xstreams.h"
110
111char _XsTypeOfStream[100] = { 0 };
112
113extern int write();
114extern int close();
115#ifdef SVR4
116extern int _XsSetupSpStream();
117extern int _XsSetupNamedStream();
118#endif
119extern int _XsSetupLocalStream();
120extern int _XsConnectLocalClient();
121extern int _XsCallLocalServer();
122extern int _XsReadLocalStream();
123extern int _XsErrorCall();
124extern int _XsWriteLocalStream();
125extern int _XsCloseLocalStream();
126extern int _XsSetupTliStream();
127extern int _XsConnectTliClient();
128extern int _XsCallTliServer();
129extern int _XsReadTliStream();
130extern int _XsWriteTliStream();
131extern int _XsCloseTliStream();
132
133
134Xstream _XsStream[] = {
135
136    {
137	/* local connections using pseudo-ttys */
138
139	_XsSetupLocalStream,
140	_XsConnectLocalClient,
141	_XsCallLocalServer,
142	_XsReadLocalStream,
143	_XsErrorCall,
144	write,
145	close,
146	NULL
147    },
148    {
149#ifdef SVR4
150	/* local connections using named streams */
151
152        _XsSetupNamedStream,
153#else
154	/* local connections using streams */
155        _XsSetupLocalStream,
156#endif
157        _XsConnectLocalClient,
158        _XsCallLocalServer,
159        _XsReadLocalStream,
160        _XsErrorCall,
161        write,
162        close,
163        NULL
164    },
165    /* Enhanced Application Compatibility Support */
166    {
167#ifdef SVR4
168	/* SVR4 stream pipe code */
169	_XsSetupSpStream,
170#else
171	_XsSetupLocalStream,
172#endif
173	_XsConnectLocalClient,
174	_XsCallLocalServer,
175	_XsReadLocalStream,
176	_XsErrorCall,
177	write,
178	close,
179	NULL
180    },
181    /* End Enhanced Application Compatibility Support */
182
183    {
184	/* remote connections using tcp */
185        _XsSetupTliStream,
186        _XsConnectTliClient,
187        _XsCallTliServer,
188        _XsReadLocalStream,
189        _XsErrorCall,
190	write,
191	close,
192	NULL
193    },
194    {
195	/* remote connections using StarLan */
196        _XsSetupTliStream,
197        _XsConnectTliClient,
198        _XsCallTliServer,
199        _XsReadLocalStream,
200        _XsErrorCall,
201        write,
202        close,
203        NULL
204    }
205};
206
207
208#endif /* STREAMSCONN */
209#endif
210
211
212#ifdef XTEST1
213/*
214 * Stuff for input synthesis extension:
215 */
216/*
217 * Holds the two event type codes for this extension.  The event type codes
218 * for this extension may vary depending on how many extensions are installed
219 * already, so the initial values given below will be added to the base event
220 * code that is aquired when this extension is installed.
221 *
222 * These two variables must be available to programs that use this extension.
223 */
224int			XTestInputActionType = 0;
225int			XTestFakeAckType   = 1;
226#endif
227
228/*
229 * NOTE: any additional external definition NEED
230 * to be inserted BELOW this point!!!
231 */
232
233/*
234 * NOTE: any additional external definition NEED
235 * to be inserted ABOVE this point!!!
236 */
237