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