diff options
| -rw-r--r-- | lib/libc/sys/dup.2 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/libc/sys/dup.2 b/lib/libc/sys/dup.2 index c87b386..f6f6f46 100644 --- a/lib/libc/sys/dup.2 +++ b/lib/libc/sys/dup.2 @@ -28,7 +28,7 @@ .\" @(#)dup.2 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd June 4, 1993 +.Dd August 14, 2011 .Dt DUP 2 .Os .Sh NAME @@ -115,6 +115,11 @@ and is a valid descriptor, then .Fn dup2 is successful, and does nothing. +.Pp +The related +.Xr cap_new 2 +system call allows file descriptors to be duplicated with restrictions on +their use. .Sh RETURN VALUES The value -1 is returned if an error occurs in either call. The external variable @@ -139,6 +144,7 @@ Too many descriptors are active. .El .Sh SEE ALSO .Xr accept 2 , +.Xr cap_new 2 , .Xr close 2 , .Xr fcntl 2 , .Xr getdtablesize 2 , |
