63 lines
2.1 KiB
Groff
63 lines
2.1 KiB
Groff
.\" Copyright (c) 2011 David Chisnall
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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 December 7, 2011
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.Dt AT_QUICK_EXIT 3
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.Os
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.Sh NAME
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.Nm at_quick_exit
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.Nd registers a cleanup function to run on quick exit
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In stdlib.h
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.Ft int
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.Fn at_quick_exit "void (*func)(void)"
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.Sh DESCRIPTION
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The
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.Fn at_quick_exit
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function registers a cleanup function to be called when the program exits as a
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result of calling
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.Xr quick_exit 3 .
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The cleanup functions are called in the reverse order and will not be called if
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the program exits by calling
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.Xr exit 3 ,
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.Xr _Exit 3 ,
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or
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.Xr abort 3 .
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.Sh RETURN VALUES
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The
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.Fn at_quick_exit
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function returns the value 0 if successful and a non-zero value on failure.
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.Sh SEE ALSO
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.Xr exit 3 ,
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.Xr quick_exit 3
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.Sh STANDARDS
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The
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.Fn at_quick_exit
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function conforms to
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.St -isoC-2011 .
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