freebsd-dev/lib/libc/sys/closefrom.2

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.\" Copyright (c) 2009 Advanced Computing Technologies LLC
.\" Written by: John H. Baldwin <jhb@FreeBSD.org>
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
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.\" $FreeBSD$
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.Dd June 12, 2009
.Dt CLOSEFROM 2
.Os
.Sh NAME
.Nm closefrom
.Nd delete open file descriptors
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In unistd.h
.Ft void
.Fn closefrom "int lowfd"
.Sh DESCRIPTION
The
.Fn closefrom
system call deletes all open file descriptors greater than or equal to
.Fa lowfd
from the per-process object reference table.
Any errors encountered while closing file descriptors are ignored.
.Sh SEE ALSO
.Xr close 2
.Sh HISTORY
The
.Fn closefrom
function first appeared in
.Fx 8.0 .