R6.6 is the Xorg base-lineXORG-MAIN

1 files changed, 200 insertions, 0 deletions

diff --git a/os/osinit.c b/os/osinit.c
new file mode 100644
index 000000000..f240ea42c
--- /dev/null
+++ b/os/osinit.c
@@ -0,0 +1,200 @@
+/***********************************************************
+
+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.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group 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 Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        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.
+
+******************************************************************/
+/* $Xorg: osinit.c,v 1.4 2001/02/09 02:05:23 xorgcvs Exp $ */
+
+#include <stdio.h>
+#include "X.h"
+#include "os.h"
+#include "osdep.h"
+#include "Xos.h"
+
+#ifndef PATH_MAX
+#ifdef MAXPATHLEN
+#define PATH_MAX MAXPATHLEN
+#else
+#define PATH_MAX 1024
+#endif
+#endif
+
+#ifndef WIN32
+#ifndef SYSV
+#include <sys/resource.h>
+#endif
+#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()
+{
+    static Bool been_here = FALSE;
+    static char* admpath = ADMPATH;
+    static char* devnull = "/dev/null";
+    char fname[PATH_MAX];
+
+#ifdef macII
+    set42sig();
+#endif
+
+    if (!been_here) {
+	fclose(stdin);
+	fclose(stdout);
+	/* 
+	 * 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(WIN32)
+	    {
+	    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 (rlim.rlim_cur > MAXSOCKS)
+		    rlim.rlim_cur = MAXSOCKS;
+		(void)setrlimit(RLIMIT_NOFILE, &rlim);
+	    }
+	}
+#endif
+	been_here = TRUE;
+    }
+    TimerInit();
+#ifdef DDXOSINIT
+    OsVendorInit();
+#endif
+    OsInitAllocator();
+    if (!OsDelayInitColors) OsInitColors();
+}