1 /***********************************************************
2
3 Copyright 1987, 1998 The Open Group
4
5 Permission to use, copy, modify, distribute, and sell this software and its
6 documentation for any purpose is hereby granted without fee, provided that
7 the above copyright notice appear in all copies and that both that
8 copyright notice and this permission notice appear in supporting
9 documentation.
10
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21 Except as contained in this notice, the name of The Open Group shall not be
22 used in advertising or otherwise to promote the sale, use or other dealings
23 in this Software without prior written authorization from The Open Group.
24
25 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
26
27 All Rights Reserved
28
29 Permission to use, copy, modify, and distribute this software and its
30 documentation for any purpose and without fee is hereby granted,
31 provided that the above copyright notice appear in all copies and that
32 both that copyright notice and this permission notice appear in
33 supporting documentation, and that the name of Digital not be
34 used in advertising or publicity pertaining to distribution of the
35 software without specific, written prior permission.
36
37 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
43 SOFTWARE.
44
45 ******************************************************************/
46
47 /* The panoramix components contained the following notice */
48 /*****************************************************************
49
50 Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
51
52 Permission is hereby granted, free of charge, to any person obtaining a copy
53 of this software and associated documentation files (the "Software"), to deal
54 in the Software without restriction, including without limitation the rights
55 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
56 copies of the Software.
57
58 The above copyright notice and this permission notice shall be included in
59 all copies or substantial portions of the Software.
60
61 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
62 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
63 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
64 DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
65 BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
66 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
67 IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
68
69 Except as contained in this notice, the name of Digital Equipment Corporation
70 shall not be used in advertising or otherwise to promote the sale, use or other
71 dealings in this Software without prior written authorization from Digital
72 Equipment Corporation.
73
74 ******************************************************************/
75
76 #ifdef HAVE_DIX_CONFIG_H
77 #include <dix-config.h>
78 #include <version-config.h>
79 #endif
80
81 #include <X11/X.h>
82 #include <X11/Xos.h> /* for unistd.h */
83 #include <X11/Xproto.h>
84 #include <pixman.h>
85 #include "scrnintstr.h"
86 #include "misc.h"
87 #include "os.h"
88 #include "windowstr.h"
89 #include "resource.h"
90 #include "dixstruct.h"
91 #include "gcstruct.h"
92 #include "extension.h"
93 #include "colormap.h"
94 #include "colormapst.h"
95 #include "cursorstr.h"
96 #include "selection.h"
97 #include <X11/fonts/font.h>
98 #include <X11/fonts/fontstruct.h>
99 #include <X11/fonts/libxfont2.h>
100 #include "opaque.h"
101 #include "servermd.h"
102 #include "hotplug.h"
103 #include "site.h"
104 #include "dixfont.h"
105 #include "extnsionst.h"
106 #include "privates.h"
107 #include "registry.h"
108 #include "client.h"
109 #include "exevents.h"
110 #ifdef PANORAMIX
111 #include "panoramiXsrv.h"
112 #else
113 #include "dixevents.h" /* InitEvents() */
114 #endif
115
116 #ifdef DPMSExtension
117 #include <X11/extensions/dpmsconst.h>
118 #include "dpmsproc.h"
119 #endif
120
121 extern void Dispatch(void);
122
123 CallbackListPtr RootWindowFinalizeCallback = NULL;
124
125 int
dix_main(int argc,char * argv[],char * envp[])126 dix_main(int argc, char *argv[], char *envp[])
127 {
128 int i;
129 HWEventQueueType alwaysCheckForInput[2];
130
131 display = "0";
132
133 InitRegions();
134
135 CheckUserParameters(argc, argv, envp);
136
137 CheckUserAuthorization();
138
139 InitConnectionLimits();
140
141 ProcessCommandLine(argc, argv);
142
143 alwaysCheckForInput[0] = 0;
144 alwaysCheckForInput[1] = 1;
145 while (1) {
146 serverGeneration++;
147 ScreenSaverTime = defaultScreenSaverTime;
148 ScreenSaverInterval = defaultScreenSaverInterval;
149 ScreenSaverBlanking = defaultScreenSaverBlanking;
150 ScreenSaverAllowExposures = defaultScreenSaverAllowExposures;
151
152 InitBlockAndWakeupHandlers();
153 /* Perform any operating system dependent initializations you'd like */
154 OsInit();
155 if (serverGeneration == 1) {
156 CreateWellKnownSockets();
157 for (i = 1; i < LimitClients; i++)
158 clients[i] = NullClient;
159 serverClient = calloc(sizeof(ClientRec), 1);
160 if (!serverClient)
161 FatalError("couldn't create server client");
162 InitClient(serverClient, 0, (void *) NULL);
163 }
164 else
165 ResetWellKnownSockets();
166 clients[0] = serverClient;
167 currentMaxClients = 1;
168
169 /* clear any existing selections */
170 InitSelections();
171
172 /* Initialize privates before first allocation */
173 dixResetPrivates();
174
175 /* Initialize server client devPrivates, to be reallocated as
176 * more client privates are registered
177 */
178 if (!dixAllocatePrivates(&serverClient->devPrivates, PRIVATE_CLIENT))
179 FatalError("failed to create server client privates");
180
181 if (!InitClientResources(serverClient)) /* for root resources */
182 FatalError("couldn't init server resources");
183
184 SetInputCheck(&alwaysCheckForInput[0], &alwaysCheckForInput[1]);
185 screenInfo.numScreens = 0;
186
187 InitAtoms();
188 InitEvents();
189 xfont2_init_glyph_caching();
190 dixResetRegistry();
191 InitFonts();
192 InitCallbackManager();
193 InitOutput(&screenInfo, argc, argv);
194
195 if (screenInfo.numScreens < 1)
196 FatalError("no screens found");
197 InitExtensions(argc, argv);
198
199 for (i = 0; i < screenInfo.numGPUScreens; i++) {
200 ScreenPtr pScreen = screenInfo.gpuscreens[i];
201 if (!CreateScratchPixmapsForScreen(pScreen))
202 FatalError("failed to create scratch pixmaps");
203 if (pScreen->CreateScreenResources &&
204 !(*pScreen->CreateScreenResources) (pScreen))
205 FatalError("failed to create screen resources");
206 }
207
208 for (i = 0; i < screenInfo.numScreens; i++) {
209 ScreenPtr pScreen = screenInfo.screens[i];
210
211 if (!CreateScratchPixmapsForScreen(pScreen))
212 FatalError("failed to create scratch pixmaps");
213 if (pScreen->CreateScreenResources &&
214 !(*pScreen->CreateScreenResources) (pScreen))
215 FatalError("failed to create screen resources");
216 if (!CreateGCperDepth(i))
217 FatalError("failed to create scratch GCs");
218 if (!CreateDefaultStipple(i))
219 FatalError("failed to create default stipple");
220 if (!CreateRootWindow(pScreen))
221 FatalError("failed to create root window");
222 CallCallbacks(&RootWindowFinalizeCallback, pScreen);
223 }
224
225 if (SetDefaultFontPath(defaultFontPath) != Success) {
226 ErrorF("[dix] failed to set default font path '%s'",
227 defaultFontPath);
228 }
229 if (!SetDefaultFont(defaultTextFont)) {
230 FatalError("could not open default font '%s'", defaultTextFont);
231 }
232
233 if (!(rootCursor = CreateRootCursor(NULL, 0))) {
234 FatalError("could not open default cursor font '%s'",
235 defaultCursorFont);
236 }
237
238 #ifdef PANORAMIX
239 /*
240 * Consolidate window and colourmap information for each screen
241 */
242 if (!noPanoramiXExtension)
243 PanoramiXConsolidate();
244 #endif
245
246 for (i = 0; i < screenInfo.numScreens; i++)
247 InitRootWindow(screenInfo.screens[i]->root);
248
249 InitCoreDevices();
250 InitInput(argc, argv);
251 InitAndStartDevices();
252 ReserveClientIds(serverClient);
253
254 dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
255
256 dixCloseRegistry();
257
258 #ifdef PANORAMIX
259 if (!noPanoramiXExtension) {
260 if (!PanoramiXCreateConnectionBlock()) {
261 FatalError("could not create connection block info");
262 }
263 }
264 else
265 #endif
266 {
267 if (!CreateConnectionBlock()) {
268 FatalError("could not create connection block info");
269 }
270 }
271
272 NotifyParentProcess();
273
274 InputThreadInit();
275
276 Dispatch();
277
278 UndisplayDevices();
279 DisableAllDevices();
280
281 /* Now free up whatever must be freed */
282 if (screenIsSaved == SCREEN_SAVER_ON)
283 dixSaveScreens(serverClient, SCREEN_SAVER_OFF, ScreenSaverReset);
284 FreeScreenSaverTimer();
285 CloseDownExtensions();
286
287 #ifdef PANORAMIX
288 {
289 Bool remember_it = noPanoramiXExtension;
290
291 noPanoramiXExtension = TRUE;
292 FreeAllResources();
293 noPanoramiXExtension = remember_it;
294 }
295 #else
296 FreeAllResources();
297 #endif
298
299 CloseInput();
300
301 InputThreadFini();
302
303 for (i = 0; i < screenInfo.numScreens; i++)
304 screenInfo.screens[i]->root = NullWindow;
305
306 CloseDownDevices();
307
308 CloseDownEvents();
309
310 for (i = screenInfo.numGPUScreens - 1; i >= 0; i--) {
311 ScreenPtr pScreen = screenInfo.gpuscreens[i];
312 FreeScratchPixmapsForScreen(pScreen);
313 dixFreeScreenSpecificPrivates(pScreen);
314 (*pScreen->CloseScreen) (pScreen);
315 dixFreePrivates(pScreen->devPrivates, PRIVATE_SCREEN);
316 free(pScreen);
317 screenInfo.numGPUScreens = i;
318 }
319
320 for (i = screenInfo.numScreens - 1; i >= 0; i--) {
321 FreeScratchPixmapsForScreen(screenInfo.screens[i]);
322 FreeGCperDepth(i);
323 FreeDefaultStipple(i);
324 dixFreeScreenSpecificPrivates(screenInfo.screens[i]);
325 (*screenInfo.screens[i]->CloseScreen) (screenInfo.screens[i]);
326 dixFreePrivates(screenInfo.screens[i]->devPrivates, PRIVATE_SCREEN);
327 free(screenInfo.screens[i]);
328 screenInfo.numScreens = i;
329 }
330
331 ReleaseClientIds(serverClient);
332 dixFreePrivates(serverClient->devPrivates, PRIVATE_CLIENT);
333 serverClient->devPrivates = NULL;
334
335 dixFreeRegistry();
336
337 FreeFonts();
338
339 FreeAllAtoms();
340
341 FreeAuditTimer();
342
343 DeleteCallbackManager();
344
345 ClearWorkQueue();
346
347 if (dispatchException & DE_TERMINATE) {
348 CloseWellKnownConnections();
349 }
350
351 OsCleanup((dispatchException & DE_TERMINATE) != 0);
352
353 if (dispatchException & DE_TERMINATE) {
354 ddxGiveUp(EXIT_NO_ERROR);
355 break;
356 }
357
358 free(ConnectionInfo);
359 ConnectionInfo = NULL;
360 }
361 return 0;
362 }
363