Various updates, mostly to SYNOPSIS, ERRORS, and STANDARDS, but

some other fixes included...

*at() function ERRORS description suggested by matthew@

ok deraadt@

20 files changed, 216 insertions, 132 deletions

diff --git a/lib/libc/sys/access.2 b/lib/libc/sys/access.2
index 92080c0c131..fee8a9470d7 100644
--- a/lib/libc/sys/access.2
+++ b/lib/libc/sys/access.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: access.2,v 1.19 2012/01/15 21:03:05 schwarze Exp $
+.\"	$OpenBSD: access.2,v 1.20 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: access.2,v 1.7 1995/02/27 12:31:44 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)access.2	8.2 (Berkeley) 4/1/94
 .\"
-.Dd $Mdocdate: January 15 2012 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt ACCESS 2
 .Os
 .Sh NAME
@@ -38,10 +38,10 @@
 .Nm faccessat
 .Nd check access permissions of a file or pathname
 .Sh SYNOPSIS
-.Fd #include <fcntl.h>
 .Fd #include <unistd.h>
 .Ft int
 .Fn access "const char *path" "int amode"
+.Fd #include <fcntl.h>
 .Ft int
 .Fn faccessat "int fd" "const char *path" "int amode" "int flag"
 .Sh DESCRIPTION
@@ -183,11 +183,24 @@ will fail if:
 .It Bq Er EBADF
 The
 .Fa path
-argument does not specify an absolute path and the
+argument specifies a relative path and the
 .Fa fd
 argument is neither
 .Dv AT_FDCWD
-nor a valid file descriptor open for reading.
+nor a valid file descriptor.
+.It Bq Er ENOTDIR
+The
+.Fa path
+argument specifies a relative path and the
+.Fa fd
+argument is a valid file descriptor but it does not reference a directory.
+.It Bq Er EACCES
+The
+.Fa path
+argument specifies a relative path but search permission is denied
+for the directory which the
+.Fa fd
+file descriptor references.
 .El
 .Sh SEE ALSO
 .Xr chmod 2 ,
diff --git a/lib/libc/sys/chmod.2 b/lib/libc/sys/chmod.2
index 130f65be918..32758b0d53f 100644
--- a/lib/libc/sys/chmod.2
+++ b/lib/libc/sys/chmod.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: chmod.2,v 1.19 2011/11/07 11:24:30 schwarze Exp $
+.\"	$OpenBSD: chmod.2,v 1.20 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: chmod.2,v 1.7 1995/02/27 12:32:06 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)chmod.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: November 7 2011 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt CHMOD 2
 .Os
 .Sh NAME
@@ -39,15 +39,14 @@
 .Nm fchmod
 .Nd change mode of file
 .Sh SYNOPSIS
-.Fd #include <sys/types.h>
 .Fd #include <sys/stat.h>
-.Fd #include <fcntl.h>
 .Ft int
 .Fn chmod "const char *path" "mode_t mode"
 .Ft int
-.Fn fchmodat "int fd" "const char *path" "mode_t mode" "int flag"
-.Ft int
 .Fn fchmod "int fd" "mode_t mode"
+.Fd #include <fcntl.h>
+.Ft int
+.Fn fchmodat "int fd" "const char *path" "mode_t mode" "int flag"
 .Sh DESCRIPTION
 The
 .Fn chmod
@@ -204,11 +203,24 @@ function will fail if:
 .It Bq Er EBADF
 The
 .Fa path
-argument does not specify an absolute path and the
+argument specifies a relative path and the
 .Fa fd
 argument is neither
 .Dv AT_FDCWD
-nor a valid file descriptor open for reading.
+nor a valid file descriptor.
+.It Bq Er ENOTDIR
+The
+.Fa path
+argument specifies a relative path and the
+.Fa fd
+argument is a valid file descriptor but it does not reference a directory.
+.It Bq Er EACCES
+The
+.Fa path
+argument specifies a relative path but search permission is denied
+for the directory which the
+.Fa fd
+file descriptor references.
 .El
 .Pp
 .Fn fchmod
diff --git a/lib/libc/sys/dup.2 b/lib/libc/sys/dup.2
index 5696dbc7b99..19ce34b511f 100644
--- a/lib/libc/sys/dup.2
+++ b/lib/libc/sys/dup.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: dup.2,v 1.13 2007/05/31 19:19:32 jmc Exp $
+.\"	$OpenBSD: dup.2,v 1.14 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: dup.2,v 1.4 1995/02/27 12:32:21 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)dup.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt DUP 2
 .Os
 .Sh NAME
@@ -130,4 +130,4 @@ Too many descriptors are active.
 and
 .Fn dup2
 are expected to conform to
-.St -p1003.1-88 .
+.St -p1003.1-2008 .
diff --git a/lib/libc/sys/getgid.2 b/lib/libc/sys/getgid.2
index 9d62af41805..61f42189211 100644
--- a/lib/libc/sys/getgid.2
+++ b/lib/libc/sys/getgid.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getgid.2,v 1.16 2008/08/04 07:08:23 jmc Exp $
+.\"	$OpenBSD: getgid.2,v 1.17 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: getgid.2,v 1.5 1995/02/27 12:32:53 cgd Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)getgid.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: August 4 2008 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt GETGID 2
 .Os
 .Sh NAME
@@ -38,7 +38,6 @@
 .Nm getegid
 .Nd get group process identification
 .Sh SYNOPSIS
-.Fd #include <sys/types.h>
 .Fd #include <unistd.h>
 .Ft gid_t
 .Fn getgid void
@@ -79,4 +78,4 @@ The
 and
 .Fn getegid
 functions conform to
-.St -p1003.1-88 .
+.St -p1003.1-2008 .
diff --git a/lib/libc/sys/getgroups.2 b/lib/libc/sys/getgroups.2
index 61567978269..f6488e96ed3 100644
--- a/lib/libc/sys/getgroups.2
+++ b/lib/libc/sys/getgroups.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getgroups.2,v 1.11 2008/08/04 07:08:23 jmc Exp $
+.\"	$OpenBSD: getgroups.2,v 1.12 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: getgroups.2,v 1.8 1995/02/27 12:32:57 cgd Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
@@ -30,14 +30,13 @@
 .\"
 .\"     @(#)getgroups.2	8.2 (Berkeley) 4/16/94
 .\"
-.Dd $Mdocdate: August 4 2008 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt GETGROUPS 2
 .Os
 .Sh NAME
 .Nm getgroups
 .Nd get group access list
 .Sh SYNOPSIS
-.Fd #include <sys/types.h>
 .Fd #include <unistd.h>
 .Ft int
 .Fn getgroups "int gidsetlen" "gid_t *gidset"
@@ -88,6 +87,11 @@ specifies an invalid address.
 .Xr setgid 2 ,
 .Xr setgroups 2 ,
 .Xr initgroups 3
+.Sh STANDARDS
+The
+.Fn getgroups
+function conforms to
+.St -p1003.1-2008 .
 .Sh HISTORY
 The
 .Fn getgroups
diff --git a/lib/libc/sys/getlogin.2 b/lib/libc/sys/getlogin.2
index 9c8c4d9badb..4c63081148f 100644
--- a/lib/libc/sys/getlogin.2
+++ b/lib/libc/sys/getlogin.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getlogin.2,v 1.19 2011/11/06 12:07:42 deraadt Exp $
+.\"	$OpenBSD: getlogin.2,v 1.20 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: getlogin.2,v 1.4 1995/02/27 12:33:03 cgd Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
@@ -30,11 +30,12 @@
 .\"
 .\"	@(#)getlogin.2	8.1 (Berkeley) 6/9/93
 .\"
-.Dd $Mdocdate: November 6 2011 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt GETLOGIN 2
 .Os
 .Sh NAME
 .Nm getlogin ,
+.Nm getlogin_r ,
 .Nm setlogin
 .Nd get/set login name
 .Sh SYNOPSIS
@@ -148,32 +149,51 @@ fails, a value of \-1 is returned and an error code is
 placed in the global location
 .Va errno .
 .Sh ERRORS
-The following errors may be returned by these calls:
+.Fn getlogin_r
+and
+.Fn setlogin
+will succeed unless:
 .Bl -tag -width Er
 .It Bq Er EFAULT
 The
 .Fa name
-parameter gave an
+parameter points to an
 invalid address.
+.El
+.Pp
+In addition,
+.Fn getlogin_r
+may return the following error:
+.Bl -tag -width Er
+.It Bq Er ERANGE
+The value of
+.Fa namelen
+is not large enough to store the user's login name and a trailing NUL.
+.El
+.Pp
+.Fn setlogin
+may return the following errors:
+.Bl -tag -width Er
 .It Bq Er EINVAL
 The
 .Fa name
 parameter
 pointed to a string that was too long.
 Login names are limited to
-.Dv MAXLOGNAME-1
-(from
-.Ao Pa sys/param.h Ac )
+.Dv LOGIN_NAME_MAX-1
 characters, currently 31.
 .It Bq Er EPERM
 The caller tried to set the login name and was not the superuser.
-.It Bq Er ERANGE
-The buffer passed to
-.Fn getlogin_r
-is not large enough to store the user's login name.
 .El
 .Sh SEE ALSO
 .Xr setsid 2
+.Sh STANDARDS
+The
+.Fn getlogin
+and
+.Fn getlogin_r
+functions conform to
+.St -p1003.1-2008 .
 .Sh HISTORY
 The
 .Fn getlogin
diff --git a/lib/libc/sys/getpgrp.2 b/lib/libc/sys/getpgrp.2
index b2d95ca32c9..e73fbdba668 100644
--- a/lib/libc/sys/getpgrp.2
+++ b/lib/libc/sys/getpgrp.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getpgrp.2,v 1.15 2012/06/26 21:27:44 tedu Exp $
+.\"	$OpenBSD: getpgrp.2,v 1.16 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: getpgrp.2,v 1.8 1995/02/27 12:33:09 cgd Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)getpgrp.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: June 26 2012 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt GETPGRP 2
 .Os
 .Sh NAME
@@ -93,37 +93,23 @@ There is no process with a process ID equal to
 .Sh STANDARDS
 The
 .Fn getpgrp
-function conforms to
-.St -p1003.1-88 ,
-but differs from past Berkeley versions by not taking a
-.Fa "pid_t pid"
-argument.
-.Pp
-From the
-.St -p1003.1-88
-Rationale:
-.Pp
-.Bx 4.3
-provides a
-.Fn getpgrp
-function that returns the process group ID for a specified process.
-Although this function is used to support job control, all known
-job-control shells always specify the calling process with this
-function.
-Thus, the simpler System V
-.Fn getpgrp
-suffices, and the added complexity of the
-.Bx 4.3
+and
+.Fn getpgid
+functions conform to
+.St -p1003.1-2008 .
+.Sh HISTORY
+A
 .Fn getpgrp
-has been omitted from POSIX.1.
+function call that took a
+.Fa "pid_t pid"
+argument appeared in
+.Bx 4.0 .
+This version without an argument is derived from its usage in
+System V Release 4, and first appeared in
+.Nx 0.9 .
 .Pp
 The
 .Fn getpgid
 function call is derived from its usage in System V Release 4, and
 first appeared in
 .Nx 1.2a .
-.Sh HISTORY
-The
-.Fn getpgrp
-function call appeared in
-.Bx 4.0 .
diff --git a/lib/libc/sys/getpid.2 b/lib/libc/sys/getpid.2
index 5933a369556..069d49c748e 100644
--- a/lib/libc/sys/getpid.2
+++ b/lib/libc/sys/getpid.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getpid.2,v 1.11 2007/05/31 19:19:32 jmc Exp $
+.\"	$OpenBSD: getpid.2,v 1.12 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: getpid.2,v 1.5 1995/02/27 12:33:12 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)getpid.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt GETPID 2
 .Os
 .Sh NAME
@@ -38,7 +38,6 @@
 .Nm getppid
 .Nd get parent or calling process identification
 .Sh SYNOPSIS
-.Fd #include <sys/types.h>
 .Fd #include <unistd.h>
 .Ft pid_t
 .Fn getpid void
@@ -65,4 +64,4 @@ reserved to indicate an error.
 and
 .Fn getppid
 conform to
-.St -p1003.1-88 .
+.St -p1003.1-2008 .
diff --git a/lib/libc/sys/getsid.2 b/lib/libc/sys/getsid.2
index 0ea43ffd6cb..c8fce2ca71e 100644
--- a/lib/libc/sys/getsid.2
+++ b/lib/libc/sys/getsid.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getsid.2,v 1.10 2007/05/31 19:19:32 jmc Exp $
+.\"	$OpenBSD: getsid.2,v 1.11 2013/03/30 06:44:44 guenther Exp $
 .\"
 .\" Copyright (c) 1997 Peter Wemm <peter@freebsd.org>
 .\"
@@ -24,7 +24,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt GETSID 2
 .Os
 .Sh NAME
@@ -70,6 +70,10 @@ There is no process with a process ID equal to
 .Xr setpgid 2 ,
 .Xr setsid 2 ,
 .Xr termios 4
+.Sh STANDARDS
+.Fn getsid
+conforms to
+.St -p1003.1-2008 .
 .Sh HISTORY
 The
 .Fn getsid
diff --git a/lib/libc/sys/getuid.2 b/lib/libc/sys/getuid.2
index 0e4bdf635c1..74f4641191b 100644
--- a/lib/libc/sys/getuid.2
+++ b/lib/libc/sys/getuid.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getuid.2,v 1.14 2011/11/17 14:26:14 schwarze Exp $
+.\"	$OpenBSD: getuid.2,v 1.15 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: getuid.2,v 1.6 1995/02/27 12:33:37 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)getuid.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: November 17 2011 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt GETUID 2
 .Os
 .Sh NAME
@@ -38,7 +38,6 @@
 .Nm geteuid
 .Nd get user identification
 .Sh SYNOPSIS
-.Fd #include <sys/types.h>
 .Fd #include <unistd.h>
 .Ft uid_t
 .Fn getuid void
@@ -78,7 +77,7 @@ The
 and
 .Fn geteuid
 functions conform to
-.St -p1003.1-88 .
+.St -p1003.1-2008 .
 .Sh HISTORY
 The
 .Fn getuid
diff --git a/lib/libc/sys/kill.2 b/lib/libc/sys/kill.2
index 492cb4097e5..b7e8d00429e 100644
--- a/lib/libc/sys/kill.2
+++ b/lib/libc/sys/kill.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: kill.2,v 1.17 2007/05/31 19:19:32 jmc Exp $
+.\"	$OpenBSD: kill.2,v 1.18 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: kill.2,v 1.7 1995/02/27 12:33:53 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)kill.2	8.3 (Berkeley) 4/19/94
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt KILL 2
 .Os
 .Sh NAME
@@ -126,9 +126,6 @@ is not a valid signal number.
 .It Bq Er ESRCH
 No process can be found corresponding to that specified by
 .Fa pid .
-.It Bq Er ESRCH
-The process ID was given as 0
-but the sending process does not have a process group.
 .It Bq Er EPERM
 The sending process is not the superuser and its effective
 user ID does not match the effective user ID of the receiving process.
@@ -145,4 +142,13 @@ of the group could not be signaled.
 The
 .Fn kill
 function is expected to conform to
-.St -p1003.1-88 .
+.St -p1003.1-2008 .
+.Sh BUGS
+.St -p1003.1-2008
+specifies that
+.Fn kill 0 sig
+should send signal
+.Fa sig
+to the calling process, but
+.Ox
+doesn't do so for historical reasons.
diff --git a/lib/libc/sys/madvise.2 b/lib/libc/sys/madvise.2
index 5f62531721e..97d67426985 100644
--- a/lib/libc/sys/madvise.2
+++ b/lib/libc/sys/madvise.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: madvise.2,v 1.16 2010/05/19 06:32:43 jmc Exp $
+.\"	$OpenBSD: madvise.2,v 1.17 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: madvise.2,v 1.7 1995/12/27 21:17:02 jtc Exp $
 .\"
 .\" Copyright (c) 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)madvise.2	8.1 (Berkeley) 6/9/93
 .\"
-.Dd $Mdocdate: May 19 2010 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt MADVISE 2
 .Os
 .Sh NAME
@@ -94,9 +94,8 @@ is set to indicate the error.
 .Sh STANDARDS
 The
 .Fn posix_madvise
-system call is expected to conform to the
-.St -p1003.1-2001
-standard.
+system call conforms to
+.St -p1003.1-2008 .
 .Sh HISTORY
 The
 .Nm madvise
@@ -106,3 +105,10 @@ The
 .Nm posix_madvise
 function first appeared in
 .Ox 4.8 .
+.Sh BUGS
+The
+.Dv MADV_WILLNEED
+behavior is ignored.
+The
+.Dv MADV_SPACEAVAIL
+behavior is not implemented and will always fail.
diff --git a/lib/libc/sys/mknod.2 b/lib/libc/sys/mknod.2
index 02b6627c64f..81079bac018 100644
--- a/lib/libc/sys/mknod.2
+++ b/lib/libc/sys/mknod.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mknod.2,v 1.14 2011/07/19 07:06:22 jmc Exp $
+.\"	$OpenBSD: mknod.2,v 1.15 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: mknod.2,v 1.6 1995/02/27 12:34:33 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)mknod.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: July 19 2011 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt MKNOD 2
 .Os
 .Sh NAME
@@ -39,9 +39,9 @@
 .Nd make a special file node
 .Sh SYNOPSIS
 .Fd #include <sys/stat.h>
-.Fd #include <fcntl.h>
 .Ft int
 .Fn mknod "const char *path" "mode_t mode" "dev_t dev"
+.Fd #include <fcntl.h>
 .Ft int
 .Fn mknodat "int fd" "const char *path" "mode_t mode" "dev_t dev"
 .Sh DESCRIPTION
@@ -150,6 +150,7 @@ The process is running within an alternate root directory, as
 created by
 .Xr chroot 2 .
 .El
+.Pp
 Additionally,
 .Fn mknodat
 will fail if:
@@ -168,6 +169,13 @@ nor a valid file descriptor open for reading.
 .Xr chroot 2 ,
 .Xr stat 2 ,
 .Xr umask 2
+.Sh STANDARDS
+The
+.Fn mknod
+and
+.Fn mknodat
+functions conform to
+.St -p1003.1-2008 .
 .Sh HISTORY
 A
 .Fn mknod
diff --git a/lib/libc/sys/mlock.2 b/lib/libc/sys/mlock.2
index a183cab8e40..02a2beb4dd4 100644
--- a/lib/libc/sys/mlock.2
+++ b/lib/libc/sys/mlock.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mlock.2,v 1.16 2007/05/31 19:19:33 jmc Exp $
+.\"	$OpenBSD: mlock.2,v 1.17 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: mlock.2,v 1.3 1995/06/24 10:42:03 cgd Exp $
 .\"
 .\" Copyright (c) 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)mlock.2	8.2 (Berkeley) 12/11/93
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt MLOCK 2
 .Os
 .Sh NAME
@@ -38,12 +38,11 @@
 .Nm munlock
 .Nd lock (unlock) physical pages in memory
 .Sh SYNOPSIS
-.Fd #include <sys/types.h>
 .Fd #include <sys/mman.h>
 .Ft int
-.Fn mlock "void *addr" "size_t len"
+.Fn mlock "const void *addr" "size_t len"
 .Ft int
-.Fn munlock "void *addr" "size_t len"
+.Fn munlock "const void *addr" "size_t len"
 .Sh DESCRIPTION
 The
 .Nm mlock
diff --git a/lib/libc/sys/mlockall.2 b/lib/libc/sys/mlockall.2
index 8b620c5ad59..716299bfd5c 100644
--- a/lib/libc/sys/mlockall.2
+++ b/lib/libc/sys/mlockall.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mlockall.2,v 1.5 2008/06/26 05:42:05 ray Exp $
+.\"	$OpenBSD: mlockall.2,v 1.6 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: mlockall.2,v 1.6 2000/06/26 17:00:02 kleink Exp $
 .\"
 .\" Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: June 26 2008 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt MLOCKALL 2
 .Os
 .Sh NAME
@@ -37,7 +37,6 @@
 .Nm munlockall
 .Nd lock (unlock) the address space of a process
 .Sh SYNOPSIS
-.Fd #include <sys/types.h>
 .Fd #include <sys/mman.h>
 .Ft int
 .Fn mlockall "int flags"
@@ -91,13 +90,10 @@ will fail if:
 .It Bq Er EINVAL
 The
 .Ar flags
-argument is zero or includes unimplemented flags or
-.Fa addr
-and
-.Fa size
-specify a region that would extend beyond the end of the address space.
+argument is zero or includes unimplemented flags.
 .It Bq Er ENOMEM
-Locking the indicated range would exceed either the system or per-process
+Locking the all of the pages currently mapped would exceed either
+the system or per-process
 limit for locked memory.
 .It Bq Er EAGAIN
 Some or all of the memory mapped into the process's address space
@@ -118,7 +114,7 @@ The
 and
 .Fn munlockall
 functions conform to
-.St -p1003.1b-93 .
+.St -p1003.1-2008 .
 .Sh HISTORY
 The
 .Fn mlockall
diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
index f8f32a8ee80..2e1e373d0c5 100644
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: open.2,v 1.42 2013/01/19 07:57:21 jmc Exp $
+.\"	$OpenBSD: open.2,v 1.43 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: open.2,v 1.8 1995/02/27 12:35:14 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)open.2	8.2 (Berkeley) 11/16/93
 .\"
-.Dd $Mdocdate: January 19 2013 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt OPEN 2
 .Os
 .Sh NAME
@@ -40,9 +40,9 @@
 .Sh SYNOPSIS
 .Fd #include <fcntl.h>
 .Ft int
-.Fn open "const char *path" "int flags" "mode_t mode"
+.Fn open "const char *path" "int flags" ...
 .Ft int
-.Fn openat "int fd" "const char *path" "int flags" "mode_t mode"
+.Fn openat "int fd" "const char *path" "int flags" ...
 .Sh DESCRIPTION
 The file name specified by
 .Fa path
@@ -56,8 +56,9 @@ The
 argument may indicate the file is to be
 created if it does not exist (by specifying the
 .Dv O_CREAT
-flag), in which case the file is created with mode
-.Fa mode
+flag), in which case the file is created with a mode
+specified by an additional argument of type
+.Vt mode_t
 as described in
 .Xr chmod 2
 and modified by the process' umask value (see
@@ -87,6 +88,9 @@ Do not block on open or for data to become available.
 Append on each write.
 .It Dv O_CREAT
 Create file if it does not exist.
+An additional argument of type
+.Vt mode_t
+must be supplied to the call.
 .It Dv O_TRUNC
 Truncate size to 0.
 .It Dv O_EXCL
diff --git a/lib/libc/sys/pipe.2 b/lib/libc/sys/pipe.2
index a965443cd9b..b0a22f4915c 100644
--- a/lib/libc/sys/pipe.2
+++ b/lib/libc/sys/pipe.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: pipe.2,v 1.13 2007/05/31 19:19:33 jmc Exp $
+.\"	$OpenBSD: pipe.2,v 1.14 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: pipe.2,v 1.6 1995/02/27 12:35:27 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)pipe.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt PIPE 2
 .Os
 .Sh NAME
@@ -98,7 +98,7 @@ buffer is in an invalid area of the process's address space.
 The
 .Fn pipe
 function conforms to
-.St -p1003.1-88 .
+.St -p1003.1-2008 .
 .Pp
 As an extension, the pipe provided is actually capable of moving
 data bidirectionally.
diff --git a/lib/libc/sys/stat.2 b/lib/libc/sys/stat.2
index 7aced710a66..67e1c9c550f 100644
--- a/lib/libc/sys/stat.2
+++ b/lib/libc/sys/stat.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: stat.2,v 1.32 2012/07/17 07:48:47 matthew Exp $
+.\"	$OpenBSD: stat.2,v 1.33 2013/03/30 06:44:44 guenther Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993, 1994
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)stat.2	8.3 (Berkeley) 4/19/94
 .\"
-.Dd $Mdocdate: July 17 2012 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt STAT 2
 .Os
 .Sh NAME
@@ -306,7 +306,11 @@ characters, or an entire path name exceeded
 .Dv PATH_MAX
 characters.
 .It Bq Er ENOENT
-The named file does not exist.
+A component of
+.Em name
+does not exist or 
+.Em name
+is the empty path.
 .It Bq Er EACCES
 Search permission is denied for a component of the path prefix.
 .It Bq Er ELOOP
@@ -324,14 +328,32 @@ Additionally,
 .Fn fstatat
 will fail if:
 .Bl -tag -width Er
+.It Bq Er EINVAL
+The value of the
+.Fa flag
+argument was neither zero nor
+.Dv AT_SYMLINK_NOFOLLOW .
 .It Bq Er EBADF
 The
 .Fa path
-argument does not specify an absolute path and the
+argument specifies a relative path and the
 .Fa fd
 argument is neither
 .Dv AT_FDCWD
-nor a valid file descriptor open for reading.
+nor a valid file descriptor.
+.It Bq Er ENOTDIR
+The
+.Fa path
+argument specifies a relative path and the
+.Fa fd
+argument is a valid file descriptor but it does not reference a directory.
+.It Bq Er EACCES
+The
+.Fa path
+argument specifies a relative path but search permission is denied
+for the directory which the
+.Fa fd
+file descriptor references.
 .El
 .Pp
 .Fn fstat
@@ -344,7 +366,7 @@ is not a valid open file descriptor.
 .Fa sb
 points to an invalid address.
 .It Bq Er EIO
-An I/O error occurred while reading from or writing to the file system.
+An I/O error occurred while reading from the file system.
 .El
 .Sh SEE ALSO
 .Xr chmod 2 ,
@@ -364,13 +386,13 @@ and
 fields.
 .Pp
 The
-.Fn stat ,
-.Fn lstat ,
+.Fn fstat ,
 .Fn fstatat ,
+.Fn lstat ,
 and
-.Fn fstat
-function calls are expected to conform to
-.St -p1003.1-88 .
+.Fn stat
+functions are intended to conform to
+.St -p1003.1-2008 .
 .Sh HISTORY
 The
 .Fn stat
@@ -409,7 +431,9 @@ broke them irrevocably.
 .Sh BUGS
 Applying
 .Fn fstat
-to a socket (and thus to a pipe)
-returns a zeroed buffer,
-except for the blocksize field,
-and a unique device and inode number.
+to a pipe or socket
+fails to fill in a unique device and inode number pair.
+Applying
+.Fn fstat
+to a socket
+also fails to fill in the time fields.
diff --git a/lib/libc/sys/sync.2 b/lib/libc/sys/sync.2
index b366fecf5f6..c8a4462314b 100644
--- a/lib/libc/sys/sync.2
+++ b/lib/libc/sys/sync.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sync.2,v 1.12 2011/04/29 07:12:44 jmc Exp $
+.\"	$OpenBSD: sync.2,v 1.13 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: sync.2,v 1.4 1995/02/27 12:38:41 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)sync.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: April 29 2011 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt SYNC 2
 .Os
 .Sh NAME
@@ -58,6 +58,11 @@ may be used to synchronize individual file descriptor attributes.
 .Sh SEE ALSO
 .Xr fsync 2 ,
 .Xr sync 8
+.Sh STANDARDS
+The
+.Fn sync
+function conforms to
+.St -p1003.1-2008 .
 .Sh HISTORY
 A
 .Fn sync
diff --git a/lib/libc/sys/umask.2 b/lib/libc/sys/umask.2
index 83402e503eb..ea3805a3faf 100644
--- a/lib/libc/sys/umask.2
+++ b/lib/libc/sys/umask.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: umask.2,v 1.8 2007/05/31 19:19:34 jmc Exp $
+.\"	$OpenBSD: umask.2,v 1.9 2013/03/30 06:44:44 guenther Exp $
 .\"	$NetBSD: umask.2,v 1.6 1995/02/27 12:39:06 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)umask.2	8.1 (Berkeley) 6/4/93
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: March 30 2013 $
 .Dt UMASK 2
 .Os
 .Sh NAME
@@ -78,5 +78,5 @@ function is always successful.
 .Sh STANDARDS
 The
 .Fn umask
-function call is expected to conform to
-.St -p1003.1-88 .
+function conforms to
+.St -p1003.1-2008 .