date and time created 90/06/15 14:47:14 by marc

SCCS-vsn: lib/libc/gen/daemon.c 5.1

usr/src/lib/libc/gen/daemon.c

@@ -0,0 +1,31 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * %sccs.include.redist.c%
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)daemon.c	5.1 (Berkeley) %G%";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/file.h>
+
+daemon()
+{
+	int cpid;
+
+	if ((cpid = fork()) == -1)
+		return (-1);
+	if (cpid)
+		exit(0);
+
+	(void) setsid();
+	(void) chdir("/");
+	(void) close(0);
+	(void) close(1);
+	(void) close(2);
+	(void) open("/", O_RDONLY, 0);
+	(void) dup2(0, 1);
+	(void) dup2(0, 2);
+}