main.c (12032B)
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 "dixfont.h" 104 #include "extnsionst.h" 105 #include "privates.h" 106 #include "registry.h" 107 #include "client.h" 108 #include "exevents.h" 109 #ifdef PANORAMIX 110 #include "panoramiXsrv.h" 111 #else 112 #include "dixevents.h" /* InitEvents() */ 113 #endif 114 115 #ifdef DPMSExtension 116 #include <X11/extensions/dpmsconst.h> 117 #include "dpmsproc.h" 118 #endif 119 120 extern void Dispatch(void); 121 122 CallbackListPtr RootWindowFinalizeCallback = NULL; 123 124 int 125 dix_main(int argc, char *argv[], char *envp[]) 126 { 127 int i; 128 HWEventQueueType alwaysCheckForInput[2]; 129 130 display = "0"; 131 132 InitRegions(); 133 134 CheckUserParameters(argc, argv, envp); 135 136 CheckUserAuthorization(); 137 138 ProcessCommandLine(argc, argv); 139 140 alwaysCheckForInput[0] = 0; 141 alwaysCheckForInput[1] = 1; 142 while (1) { 143 serverGeneration++; 144 ScreenSaverTime = defaultScreenSaverTime; 145 ScreenSaverInterval = defaultScreenSaverInterval; 146 ScreenSaverBlanking = defaultScreenSaverBlanking; 147 ScreenSaverAllowExposures = defaultScreenSaverAllowExposures; 148 149 InitBlockAndWakeupHandlers(); 150 /* Perform any operating system dependent initializations you'd like */ 151 OsInit(); 152 if (serverGeneration == 1) { 153 CreateWellKnownSockets(); 154 for (i = 1; i < LimitClients; i++) 155 clients[i] = NullClient; 156 serverClient = calloc(sizeof(ClientRec), 1); 157 if (!serverClient) 158 FatalError("couldn't create server client"); 159 InitClient(serverClient, 0, (void *) NULL); 160 } 161 else 162 ResetWellKnownSockets(); 163 clients[0] = serverClient; 164 currentMaxClients = 1; 165 166 /* clear any existing selections */ 167 InitSelections(); 168 169 /* Initialize privates before first allocation */ 170 dixResetPrivates(); 171 172 /* Initialize server client devPrivates, to be reallocated as 173 * more client privates are registered 174 */ 175 if (!dixAllocatePrivates(&serverClient->devPrivates, PRIVATE_CLIENT)) 176 FatalError("failed to create server client privates"); 177 178 if (!InitClientResources(serverClient)) /* for root resources */ 179 FatalError("couldn't init server resources"); 180 181 SetInputCheck(&alwaysCheckForInput[0], &alwaysCheckForInput[1]); 182 screenInfo.numScreens = 0; 183 184 InitAtoms(); 185 InitEvents(); 186 xfont2_init_glyph_caching(); 187 dixResetRegistry(); 188 InitFonts(); 189 InitCallbackManager(); 190 InitOutput(&screenInfo, argc, argv); 191 192 if (screenInfo.numScreens < 1) 193 FatalError("no screens found"); 194 InitExtensions(argc, argv); 195 196 for (i = 0; i < screenInfo.numGPUScreens; i++) { 197 ScreenPtr pScreen = screenInfo.gpuscreens[i]; 198 if (!CreateScratchPixmapsForScreen(pScreen)) 199 FatalError("failed to create scratch pixmaps"); 200 if (pScreen->CreateScreenResources && 201 !(*pScreen->CreateScreenResources) (pScreen)) 202 FatalError("failed to create screen resources"); 203 } 204 205 for (i = 0; i < screenInfo.numScreens; i++) { 206 ScreenPtr pScreen = screenInfo.screens[i]; 207 208 if (!CreateScratchPixmapsForScreen(pScreen)) 209 FatalError("failed to create scratch pixmaps"); 210 if (pScreen->CreateScreenResources && 211 !(*pScreen->CreateScreenResources) (pScreen)) 212 FatalError("failed to create screen resources"); 213 if (!CreateGCperDepth(i)) 214 FatalError("failed to create scratch GCs"); 215 if (!CreateDefaultStipple(i)) 216 FatalError("failed to create default stipple"); 217 if (!CreateRootWindow(pScreen)) 218 FatalError("failed to create root window"); 219 CallCallbacks(&RootWindowFinalizeCallback, pScreen); 220 } 221 222 if (SetDefaultFontPath(defaultFontPath) != Success) { 223 ErrorF("[dix] failed to set default font path '%s'", 224 defaultFontPath); 225 } 226 if (!SetDefaultFont("fixed")) { 227 FatalError("could not open default font"); 228 } 229 230 if (!(rootCursor = CreateRootCursor(NULL, 0))) { 231 FatalError("could not open default cursor font"); 232 } 233 234 #ifdef PANORAMIX 235 /* 236 * Consolidate window and colourmap information for each screen 237 */ 238 if (!noPanoramiXExtension) 239 PanoramiXConsolidate(); 240 #endif 241 242 for (i = 0; i < screenInfo.numScreens; i++) 243 InitRootWindow(screenInfo.screens[i]->root); 244 245 InitCoreDevices(); 246 InitInput(argc, argv); 247 InitAndStartDevices(); 248 ReserveClientIds(serverClient); 249 250 dixSaveScreens(serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); 251 252 dixCloseRegistry(); 253 254 #ifdef PANORAMIX 255 if (!noPanoramiXExtension) { 256 if (!PanoramiXCreateConnectionBlock()) { 257 FatalError("could not create connection block info"); 258 } 259 } 260 else 261 #endif 262 { 263 if (!CreateConnectionBlock()) { 264 FatalError("could not create connection block info"); 265 } 266 } 267 268 NotifyParentProcess(); 269 270 InputThreadInit(); 271 272 Dispatch(); 273 274 UndisplayDevices(); 275 DisableAllDevices(); 276 277 /* Now free up whatever must be freed */ 278 if (screenIsSaved == SCREEN_SAVER_ON) 279 dixSaveScreens(serverClient, SCREEN_SAVER_OFF, ScreenSaverReset); 280 FreeScreenSaverTimer(); 281 CloseDownExtensions(); 282 283 #ifdef PANORAMIX 284 { 285 Bool remember_it = noPanoramiXExtension; 286 287 noPanoramiXExtension = TRUE; 288 FreeAllResources(); 289 noPanoramiXExtension = remember_it; 290 } 291 #else 292 FreeAllResources(); 293 #endif 294 295 CloseInput(); 296 297 InputThreadFini(); 298 299 for (i = 0; i < screenInfo.numScreens; i++) 300 screenInfo.screens[i]->root = NullWindow; 301 302 CloseDownDevices(); 303 304 CloseDownEvents(); 305 306 for (i = screenInfo.numGPUScreens - 1; i >= 0; i--) { 307 ScreenPtr pScreen = screenInfo.gpuscreens[i]; 308 FreeScratchPixmapsForScreen(pScreen); 309 dixFreeScreenSpecificPrivates(pScreen); 310 (*pScreen->CloseScreen) (pScreen); 311 dixFreePrivates(pScreen->devPrivates, PRIVATE_SCREEN); 312 free(pScreen); 313 screenInfo.numGPUScreens = i; 314 } 315 316 for (i = screenInfo.numScreens - 1; i >= 0; i--) { 317 FreeScratchPixmapsForScreen(screenInfo.screens[i]); 318 FreeGCperDepth(i); 319 FreeDefaultStipple(i); 320 dixFreeScreenSpecificPrivates(screenInfo.screens[i]); 321 (*screenInfo.screens[i]->CloseScreen) (screenInfo.screens[i]); 322 dixFreePrivates(screenInfo.screens[i]->devPrivates, PRIVATE_SCREEN); 323 free(screenInfo.screens[i]); 324 screenInfo.numScreens = i; 325 } 326 327 ReleaseClientIds(serverClient); 328 dixFreePrivates(serverClient->devPrivates, PRIVATE_CLIENT); 329 serverClient->devPrivates = NULL; 330 331 dixFreeRegistry(); 332 333 FreeFonts(); 334 335 FreeAllAtoms(); 336 337 FreeAuditTimer(); 338 339 DeleteCallbackManager(); 340 341 ClearWorkQueue(); 342 343 if (dispatchException & DE_TERMINATE) { 344 CloseWellKnownConnections(); 345 } 346 347 OsCleanup((dispatchException & DE_TERMINATE) != 0); 348 349 if (dispatchException & DE_TERMINATE) { 350 ddxGiveUp(EXIT_NO_ERROR); 351 break; 352 } 353 354 free(ConnectionInfo); 355 ConnectionInfo = NULL; 356 } 357 return 0; 358 }