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5962e03c2d
The versions used in the BSD macros are unknown, so they emit warnings, extend or reduce them to use the two digit form. Correct the glibc version when closefrom(3) got introduced.
68 lines
2.2 KiB
Plaintext
68 lines
2.2 KiB
Plaintext
.\" Copyright (c) 2009 Advanced Computing Technologies LLC
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.\" Written by: John H. Baldwin <jhb@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 12, 2009
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.Dt closefrom 3bsd
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.Os
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.Sh NAME
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.Nm closefrom
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.Nd delete open file descriptors
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.Sh LIBRARY
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.ds str-Lb-libbsd Utility functions from BSD systems (libbsd, \-lbsd)
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.ds doc-str-Lb-libbsd \*[str-Lb-libbsd]
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.Lb libbsd
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.Sh SYNOPSIS
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.In unistd.h
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(See
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.Xr libbsd 7
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for include usage.)
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.Ft void
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.Fn closefrom "int lowfd"
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.Sh DESCRIPTION
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The
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.Fn closefrom
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system call deletes all open file descriptors greater than or equal to
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.Fa lowfd
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from the per-process object reference table.
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Any errors encountered while closing file descriptors are ignored.
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.Sh SEE ALSO
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.Xr close 2
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.Sh STANDARDS
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.Fn closefrom
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is a
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.Bx
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and Solaris extension.
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.Sh HISTORY
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The
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.Fn closefrom
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function first appeared in Solaris 9,
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.Ox 3.5 ,
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.Dx 1.2 ,
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.Nx 3.0 ,
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.Fx 8.0
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and glibc 2.34.
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