diff options
| author | Todd C. Miller <millert@cvs.openbsd.org> | 2013-01-19 21:57:58 +0000 |
|---|---|---|
| committer | Todd C. Miller <millert@cvs.openbsd.org> | 2013-01-19 21:57:58 +0000 |
| commit | 2240aac04bc07346cbf6d1d112b79cb7d6d9d299 (patch) | |
| tree | 8f4179c9d6b741cacecd62ab436be27590a5d455 | |
| parent | 48d0937f5c4ba4cac7aeb952b7845d1e9607753e (diff) | |
Document F_DUPFD_CLOEXEC; adapted from FreeBSD
OK miod@ espie@
| -rw-r--r-- | lib/libc/sys/fcntl.2 | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/libc/sys/fcntl.2 b/lib/libc/sys/fcntl.2 index a055cfb2b47..2b3511a5647 100644 --- a/lib/libc/sys/fcntl.2 +++ b/lib/libc/sys/fcntl.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: fcntl.2,v 1.28 2007/05/31 19:19:32 jmc Exp $ +.\" $OpenBSD: fcntl.2,v 1.29 2013/01/19 21:57:57 millert Exp $ .\" $NetBSD: fcntl.2,v 1.6 1995/02/27 12:32:29 cgd Exp $ .\" .\" Copyright (c) 1983, 1993 @@ -30,7 +30,7 @@ .\" .\" @(#)fcntl.2 8.2 (Berkeley) 1/12/94 .\" -.Dd $Mdocdate: May 31 2007 $ +.Dd $Mdocdate: January 19 2013 $ .Dt FCNTL 2 .Os .Sh NAME @@ -60,7 +60,7 @@ by some commands, a pointer to a by others (see below), and ignored by the rest. .Pp The commands are: -.Bl -tag -width F_GETOWNX +.Bl -tag -width F_DUPFD_CLOEXEC .It Dv F_DUPFD Return a new descriptor as follows: .Pp @@ -83,9 +83,18 @@ share the same file status flags). .It The close-on-exec flag associated with the new file descriptor is set to remain open across -.Xr execv 3 +.Xr execve 2 calls. .El +.It Dv F_DUPFD_CLOEXEC +Like +.Dv F_DUPFD , +but the +.Dv FD_CLOEXEC +flag associated with the new file descriptor is set, so the file descriptor +is closed when +.Xr execve 2 +is called. .It Dv F_GETFD Get the close-on-exec flag associated with the file descriptor .Fa fd |