Date: Wed, 29 Aug 2012 16:26:41 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r239859 - stable/9/lib/libc/sys Message-ID: <201208291626.q7TGQfj9077579@svn.freebsd.org>
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Author: kib Date: Wed Aug 29 16:26:41 2012 New Revision: 239859 URL: http://svn.freebsd.org/changeset/base/239859 Log: MFC r238835: Document F_DUP2FD_CLOEXEC. Modified: stable/9/lib/libc/sys/fcntl.2 Directory Properties: stable/9/lib/libc/ (props changed) stable/9/lib/libc/sys/ (props changed) Modified: stable/9/lib/libc/sys/fcntl.2 ============================================================================== --- stable/9/lib/libc/sys/fcntl.2 Wed Aug 29 16:25:33 2012 (r239858) +++ stable/9/lib/libc/sys/fcntl.2 Wed Aug 29 16:26:41 2012 (r239859) @@ -28,7 +28,7 @@ .\" @(#)fcntl.2 8.2 (Berkeley) 1/12/94 .\" $FreeBSD$ .\" -.Dd July 18, 2012 +.Dd July 27, 2012 .Dt FCNTL 2 .Os .Sh NAME @@ -54,7 +54,7 @@ Depending on the value of .Fn fcntl can take an additional third argument .Fa "int arg" . -.Bl -tag -width F_DUPFD_CLOEXEC +.Bl -tag -width F_DUP2FD_CLOEXEC .It Dv F_DUPFD Return a new descriptor as follows: .Pp @@ -94,13 +94,23 @@ It is functionally equivalent to .Bd -literal -offset indent dup2(fd, arg) .Ed +.It Dv F_DU2PFD_CLOEXEC +Like +.Dv F_DUP2FD , +but the +.Dv FD_CLOEXEC +flag associated with the new file descriptor is set. .Pp The .Dv F_DUP2FD -constant is not portable, so it should not be used if portability is needed. +and +.Dv F_DUP2DF_CLOEXEC +constants are not portable, so they should not be used if +portability is needed. Use .Fn dup2 -instead. +instead of +.Dv F_DUP2FD . .It Dv F_GETFD Get the close-on-exec flag associated with the file descriptor .Fa fd
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