Index: res/res_musiconhold.c
===================================================================
RCS file: /usr/cvsroot/asterisk/res/res_musiconhold.c,v
retrieving revision 1.39
diff -u -r1.39 res_musiconhold.c
--- res/res_musiconhold.c	7 Sep 2004 01:22:57 -0000	1.39
+++ res/res_musiconhold.c	15 Nov 2004 03:00:41 -0000
@@ -224,8 +224,11 @@
 		/* Stdout goes to pipe */
 		dup2(fds[1], STDOUT_FILENO);
 		/* Close unused file descriptors */
-		for (x=3;x<8192;x++)
-			close(x);
+		for (x=3;x<8192;x++) {
+			if (-1 != fcntl(x, F_GETFL)) {
+				close(x);
+			}
+		}
 		/* Child */
 		chdir(class->dir);
 		if(class->custom) {