/* $XFree86: xc/programs/Xserver/os/osinit.c,v 3.32 2004/06/02 22:43:06 dawes Exp $ */ /*********************************************************** Copyright 1987, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Digital not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ /* * Copyright (c) 1996-2004 by The XFree86 Project, Inc. * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject * to the following conditions: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution, and in the same place and form as other copyright, * license and disclaimer information. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: "This product * includes software developed by The XFree86 Project, Inc * (http://www.xfree86.org/) and its contributors", in the same * place and form as other third-party acknowledgments. Alternately, * this acknowledgment may appear in the software itself, in the * same form and location as other such third-party acknowledgments. * * 4. Except as contained in this notice, the name of The XFree86 * Project, Inc shall not be used in advertising or otherwise to * promote the sale, use or other dealings in this Software without * prior written authorization from The XFree86 Project, Inc. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE XFREE86 PROJECT, INC OR ITS CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include "X.h" #include "os.h" #include "osdep.h" #include "Xos.h" #ifdef SMART_SCHEDULE #include "dixstruct.h" #endif #ifndef PATH_MAX #ifdef MAXPATHLEN #define PATH_MAX MAXPATHLEN #else #define PATH_MAX 1024 #endif #endif #if defined(Lynx) || defined(__SCO__) #include #endif #if !defined(SYSV) && !defined(WIN32) && !defined(Lynx) && !defined(QNX4) #include #endif #ifndef ADMPATH #define ADMPATH "/usr/adm/X%smsgs" #endif extern char *display; #ifdef RLIMIT_DATA int limitDataSpace = -1; #endif #ifdef RLIMIT_STACK int limitStackSpace = -1; #endif #ifdef RLIMIT_NOFILE int limitNoFile = -1; #endif Bool OsDelayInitColors = FALSE; void OsInit(void) { static Bool been_here = FALSE; static char* admpath = ADMPATH; static char* devnull = "/dev/null"; char fname[PATH_MAX]; #ifdef macII set42sig(); #endif #ifdef DDXOSINIT OsVendorPreInit(); #endif if (!been_here) { #if !defined(__SCO__) && !defined(__CYGWIN__) fclose(stdin); fclose(stdout); #endif /* * If a write of zero bytes to stderr returns non-zero, i.e. -1, * then writing to stderr failed, and we'll write somewhere else * instead. (Apparently this never happens in the Real World.) */ if (write (2, fname, 0) == -1) { FILE *err; if (strlen (display) + strlen (admpath) + 1 < sizeof fname) sprintf (fname, admpath, display); else strcpy (fname, devnull); /* * uses stdio to avoid os dependencies here, * a real os would use * open (fname, O_WRONLY|O_APPEND|O_CREAT, 0666) */ if (!(err = fopen (fname, "a+"))) err = fopen (devnull, "w"); if (err && (fileno(err) != 2)) { dup2 (fileno (err), 2); fclose (err); } #if defined(SYSV) || defined(SVR4) || defined(__UNIXOS2__) || defined(WIN32) || defined(__CYGWIN__) { static char buf[BUFSIZ]; setvbuf (stderr, buf, _IOLBF, BUFSIZ); } #else setlinebuf(stderr); #endif } #ifndef X_NOT_POSIX if (getpgrp () == 0) setpgid (0, 0); #else #if !defined(SYSV) && !defined(WIN32) if (getpgrp (0) == 0) setpgrp (0, getpid ()); #endif #endif #ifdef RLIMIT_DATA if (limitDataSpace >= 0) { struct rlimit rlim; if (!getrlimit(RLIMIT_DATA, &rlim)) { if ((limitDataSpace > 0) && (limitDataSpace < rlim.rlim_max)) rlim.rlim_cur = limitDataSpace; else rlim.rlim_cur = rlim.rlim_max; (void)setrlimit(RLIMIT_DATA, &rlim); } } #endif #ifdef RLIMIT_STACK if (limitStackSpace >= 0) { struct rlimit rlim; if (!getrlimit(RLIMIT_STACK, &rlim)) { if ((limitStackSpace > 0) && (limitStackSpace < rlim.rlim_max)) rlim.rlim_cur = limitStackSpace; else rlim.rlim_cur = rlim.rlim_max; (void)setrlimit(RLIMIT_STACK, &rlim); } } #endif #ifdef RLIMIT_NOFILE if (limitNoFile >= 0) { struct rlimit rlim; if (!getrlimit(RLIMIT_NOFILE, &rlim)) { if ((limitNoFile > 0) && (limitNoFile < rlim.rlim_max)) rlim.rlim_cur = limitNoFile; else rlim.rlim_cur = rlim.rlim_max; #if 0 if (rlim.rlim_cur > MAXSOCKS) rlim.rlim_cur = MAXSOCKS; #endif (void)setrlimit(RLIMIT_NOFILE, &rlim); } } #endif #ifdef SERVER_LOCK LockServer(); #endif been_here = TRUE; } TimerInit(); #ifdef DDXOSINIT OsVendorInit(); #endif /* * No log file by default. OsVendorInit() should call LogInit() with the * log file name if logging to a file is desired. */ LogInit(NULL, NULL); #ifdef SMART_SCHEDULE if (!SmartScheduleDisable) if (!SmartScheduleInit ()) SmartScheduleDisable = TRUE; #endif OsInitAllocator(); if (!OsDelayInitColors) OsInitColors(); } void OsCleanup(Bool terminating) { #ifdef SERVER_LOCK if (terminating) { UnlockServer(); } #endif }