Libc-498.1.5.tar.gz

[apple/libc.git] / gen / FreeBSD / daemon.3

diff --git a/gen/FreeBSD/daemon.3 b/gen/FreeBSD/daemon.3
index 5efef13120248cafedcf92e7c2a27b9d802b9d43..04e0a519002565f91d1a387300d53b237911e85d 100644 (file)
--- a/gen/FreeBSD/daemon.3
+++ b/gen/FreeBSD/daemon.3
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"    @(#)daemon.3    8.1 (Berkeley) 6/9/93
-.\" $FreeBSD: src/lib/libc/gen/daemon.3,v 1.12 2002/01/16 15:21:39 ru Exp $
+.\" $FreeBSD: src/lib/libc/gen/daemon.3,v 1.14 2003/11/10 22:04:51 ghelmer Exp $
 .\"
 .Dd June 9, 1993
 .Dt DAEMON 3
@@ -76,7 +76,8 @@ and
 .Xr setsid 2 .
 .Sh SEE ALSO
 .Xr fork 2 ,
-.Xr setsid 2
+.Xr setsid 2 ,
+.Xr sigaction 2
 .Sh HISTORY
 The
 .Fn daemon
@@ -101,3 +102,15 @@ should therefore either call
 .Fn daemon
 before opening any files or sockets, or verify that any file
 descriptors obtained have values greater than 2.
+.Pp
+The
+.Fn daemon
+function temporarily ignores
+.Dv SIGHUP
+while calling
+.Xr setsid 2
+to prevent a parent session group leader's calls to
+.Xr fork 2
+and then
+.Xr _exit 2
+from prematurely terminating the child process.