150 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			150 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
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|  * 
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|  * Permission is hereby granted, free of charge, to any person obtaining a
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|  * copy of this software and associated documentation files (the "Software"),
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|  * to deal in the Software without restriction, including without limitation
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|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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|  * and/or sell copies of the Software, and to permit persons to whom the
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|  * Software is furnished to do so, subject to the following conditions:
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|  * 
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|  * The above copyright notice and this permission notice shall be included in
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|  * all copies or substantial portions of the Software.
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|  *  
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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|  * CONECTIVA LINUX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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|  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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|  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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|  * SOFTWARE.
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|  * 
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|  * Except as contained in this notice, the name of Conectiva Linux shall
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|  * not be used in advertising or otherwise to promote the sale, use or other
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|  * dealings in this Software without prior written authorization from
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|  * Conectiva Linux.
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|  *
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|  * Author: Paulo César Pereira de Andrade <pcpa@conectiva.com.br>
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|  *
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|  */
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| 
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| #include "config.h"
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| #include <sys/types.h>
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| #include <sys/wait.h>
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| #include <signal.h>
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| 
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| /*
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|  * Initialization
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|  */
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| static int xpid;
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| Display *DPY;
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| 
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| /*
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|  * Implementation
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|  */
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| Bool
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| startx(void)
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| {
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|     int timeout = 8;
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| 
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|     if (getenv("DISPLAY") != NULL)
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| 	/* already running Xserver */
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| 	return (False);
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| 
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|     if (XF86Config_path == NULL) {
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| 	char *home, filename[PATH_MAX];
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| 	char commandline[PATH_MAX * 4];
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| 	int c_pos;
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| 	int len;
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| 	/* 
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| 	 * The name of the 4.0 binary is XFree86. X might also
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| 	 * be the name of the 3.3 binary. Therefore don't change
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| 	 * name to 'X'.
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| 	 */
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| 	if (XFree86_path)
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| 	    c_pos = XmuSnprintf(commandline, sizeof(commandline),
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| 				"%s/"__XSERVERNAME__" :8 -configure ",XFree86_path);
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| 	else
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| 	    c_pos = XmuSnprintf(commandline, sizeof(commandline), 
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| 				"%s/bin/"__XSERVERNAME__" :8 -configure ", XFree86Dir);
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| 	if (XF86Module_path && ((len = sizeof(commandline) - c_pos) > 0))
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| 	    c_pos += XmuSnprintf(commandline + c_pos,len,
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| 				 " -modulepath %s",XF86Module_path);
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| 	if (XF86Font_path && ((len = sizeof(commandline) - c_pos) > 0))
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| 	    c_pos += XmuSnprintf(commandline + c_pos,len,
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| 				 " -fontpath %s",XF86Font_path);
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| 	if (XF86RGB_path && ((len = sizeof(commandline) - c_pos) > 0))
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| 	    c_pos += XmuSnprintf(commandline + c_pos,len,
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| 				 " -rgbpath %s",XF86RGB_path);
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| 	
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| 	if (system(commandline) != 0) {
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| 	    fprintf(stderr, "Failed to run \"X -configure\".\n");
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| 	    exit(1);
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| 	}
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| 
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| 	if ((home = getenv("HOME")) == NULL)
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| 	    home = "/";
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| 
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| #ifndef QNX4
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| 	XmuSnprintf(filename, sizeof(filename), "%s/"__XCONFIGFILE__".new", home);
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| #else
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| 	XmuSnprintf(filename, sizeof(filename), "//%d%s/"__XCONFIGFILE__".new",
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| 		    getnid(), home);
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| #endif
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| 
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| 	/* this memory is never released, even if the value of XF86Config_path is
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| 	 * changed.
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| 	 */
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| 	XF86Config_path = XtNewString(filename);
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|     }
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| 
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|     putenv("DISPLAY=:8");
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| 
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|     switch (xpid = fork()) {
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| 	case 0: {
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| 	    char path[PATH_MAX];
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| 	    /* Don't change to X! see above */
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| 	    if (XFree86_path)
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| 	        XmuSnprintf(path, sizeof(path), "%s/"__XSERVERNAME__, XFree86_path);
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| 	    else
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| 	        XmuSnprintf(path, sizeof(path), "%s/bin/"__XSERVERNAME__, XFree86Dir);
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| 	    execl(path, "X", ":8", /*"+xinerama",*/ "+accessx","-allowMouseOpenFail",
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| 		  "-xf86config", XF86Config_path, (void *)NULL);
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| 	    exit(-127);
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| 	}   break;
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| 	case -1:
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| 	    fprintf(stderr, "Cannot fork.\n");
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| 	    exit(1);
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| 	    break;
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| 	default:
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| 	    break;
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|     }
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| 
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|     while (timeout > 0) {
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| 	int status;
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| 
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| 	sleep(timeout -= 2);
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| 	if (waitpid(xpid, &status, WNOHANG | WUNTRACED) == xpid)
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| 	    break;
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| 	else {
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| 	    DPY = XOpenDisplay(NULL);
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| 	    if (DPY != NULL)
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| 		break;
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| 	}
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|     }
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| 
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|     if (DPY == NULL) {
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| 	fprintf(stderr, "Cannot connect to X server.\n");
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| 	exit(1);
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|     }
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| 
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|     return (True);
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| }
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| 
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| void
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| endx(void)
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| {
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|     if (xpid != 0)
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| 	kill(xpid, SIGTERM);
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| }
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