mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
89 lines
2.9 KiB
Groff
89 lines
2.9 KiB
Groff
.\"-
|
|
.\" Copyright (c) 2000 Robert N. M. Watson
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.\" TrustedBSD Project - support for POSIX.1e process capabilities
|
|
.\"
|
|
.Dd April 1, 2000
|
|
.Dt CAP_CLEAR 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm cap_clear
|
|
.Nd initialize a capability state in working store
|
|
.Sh LIBRARY
|
|
.Lb libc
|
|
.Sh SYNOPSIS
|
|
.In sys/types.h
|
|
.In sys/capability.h
|
|
.Ft int
|
|
.Fn cap_clear "cap_t cap_p"
|
|
.Sh DESCRIPTION
|
|
The function
|
|
.Fn cap_clear
|
|
shall initialize the capability state in working storage identified by
|
|
.Ar cap_p
|
|
so that all capability flags for all capabilities defined in the
|
|
implementation shall be cleared.
|
|
.Sh IMPLEMENTATION NOTES
|
|
.Fx Ns 's
|
|
support for POSIX.1e interfaces and features is still under
|
|
development at this time.
|
|
.Sh RETURN VALUES
|
|
.Rv -std cap_clear
|
|
.Sh ERRORS
|
|
If any of the following conditions occur, the
|
|
.Fn cap_clear
|
|
function shall return -1 and set
|
|
.Va errno
|
|
to the corresponding value:
|
|
.Bl -tag -width Er
|
|
.It Bq Er EINVAL
|
|
The value of the
|
|
.Va cap_p
|
|
argument does not refer to a capability state in the working storage.
|
|
Search permission is denied for a component of the path prefix, or the
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr cap 3 ,
|
|
.Xr cap_init 3 ,
|
|
.Xr cap_set_flag 3 ,
|
|
.Xr posix1e 3
|
|
.Sh STANDARDS
|
|
POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion
|
|
of the draft continues on the cross-platform POSIX.1e implementation
|
|
mailing list. To join this list, see the
|
|
.Fx
|
|
POSIX.1e implementation
|
|
page for more information.
|
|
.Sh HISTORY
|
|
Support for POSIX.1e Capabilities was developed as part of the TrustedBSD
|
|
Project.
|
|
POSIX.1e Capability support was introduced in
|
|
.Fx 5.0 ,
|
|
and development continues.
|
|
.Sh AUTHORS
|
|
.An Robert N M Watson
|