[or-cvs] Use daemon(3) function where available.

[Nick Mathewson]

Update of /home/or/cvsroot/src/common
In directory moria.mit.edu:/tmp/cvs-serv5225/src/common

Modified Files:
	util.c 
Log Message:
Use daemon(3) function where available.

Index: util.c
===================================================================
RCS file: /home/or/cvsroot/src/common/util.c,v
retrieving revision 1.35
retrieving revision 1.36
diff -u -d -r1.35 -r1.36
--- util.c	22 Oct 2003 17:25:58 -0000	1.35
+++ util.c	23 Oct 2003 14:28:44 -0000	1.36
@@ -548,7 +548,13 @@
 }
       
 void daemonize(void) {
-#ifndef MS_WINDOWS
+#ifdef HAVE_DAEMON
+  if (daemon(0 /* chdir to / */,
+	     0 /* Redirect std* to /dev/null */)) {
+    log_fn(LOG_ERR, "Daemon returned an error: %s", strerror(errno));
+    exit(1);
+  }
+#elif ! defined(MS_WINDOWS)
   /* Fork; parent exits. */
   if (fork())
     exit(0);