Initial commit

2025-08-20 19:02:58 +08:00
commit f6b2677c0f
8577 changed files with 1307117 additions and 0 deletions
--- a/services/syslogd/daemon.c
+++ b/services/syslogd/daemon.c
@@ -0,0 +1,89 @@
+/*
+ * $QNXtpLicenseC:
+ * Copyright 2007, QNX Software Systems. All Rights Reserved.
+ * 
+ * You must obtain a written license from and pay applicable license fees to QNX 
+ * Software Systems before you may reproduce, modify or distribute this software, 
+ * or any work that includes all or part of this software.   Free development 
+ * licenses are available for evaluation and non-commercial purposes.  For more 
+ * information visit http://licensing.qnx.com or email licensing@qnx.com.
+ *  
+ * This file may contain contributions from others.  Please review this entire 
+ * file for other proprietary rights or license notices, as well as the QNX 
+ * Development Suite License Guide at http://licensing.qnx.com/license-guide/ 
+ * for other information.
+ * $
+ */
+
+
+
+
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS 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 REGENTS OR 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)daemon.c	5.3 (Berkeley) 12/28/90";
+#endif /* LIBC_SCCS and not lint */
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <paths.h>
+
+int
+daemon(nochdir, noclose)
+	int nochdir, noclose;
+{
+	int cpid;
+
+	if ((cpid = fork()) == -1)
+		return (-1);
+	if (cpid)
+		exit(0);
+	(void) setpgid(0, 0);
+	if (!nochdir)
+		(void) chdir("/");
+	if (!noclose) {
+		int devnull = open(_PATH_DEVNULL, O_RDWR, 0);
+
+		if (devnull != -1) {
+			(void) dup2(devnull, STDIN_FILENO);
+			(void) dup2(devnull, STDOUT_FILENO);
+			(void) dup2(devnull, STDERR_FILENO);
+			if (devnull > 2)
+				(void) close(devnull);
+		}
+	}
+	return 0;
+}