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.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
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.\" References consulted:
.\"     Linux libc source code
.\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\"     386BSD man pages
.\" Modified 1993-04-02, David Metcalfe
.\" Modified 1993-07-25, Rik Faith (faith@cs.unc.edu)
.\"*******************************************************************
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.\"*******************************************************************
.TH ON_EXIT 3 "2 Agosto 2019" GNU "Manual del Programador de Linux"
.SH NOMBRE
on_exit \- registra una función para ser invocada en la terminación normal de
un programa
.SH SINOPSIS
.nf
\fB#include <stdlib.h>\fP
.PP
\fBint on_exit(void (*\fP\fIfunction\fP\fB)(int , void *), void *\fP\fIparam\fP\fB);\fP
.fi
.PP
.RS -4
Requisitos de Macros de Prueba de Características para glibc (véase
\fBfeature_test_macros\fP(7)):
.RE
.PP
\fBon_exit\fP():
    Since glibc 2.19:
        _DEFAULT_SOURCE
    Glibc 2.19 and earlier:
        _BSD_SOURCE || _SVID_SOURCE
.SH DESCRIPCIÓN
The \fBon_exit\fP()  function registers the given \fIfunction\fP to be called at
normal process termination, whether via \fBexit\fP(3)  or via return from the
program's \fImain\fP().  The \fIfunction\fP is passed the status argument given to
the last call to \fBexit\fP(3)  and the \fIarg\fP argument from \fBon_exit\fP().
.PP
The same function may be registered multiple times: it is called once for
each registration.
.PP
When a child process is created via \fBfork\fP(2), it inherits copies of its
parent's registrations.  Upon a successful call to one of the \fBexec\fP(3)
functions, all registrations are removed.
.SH "VALOR DEVUELTO"
La función \fBon_exit\fP() devuelve el valor 0 en caso de éxito, o un valor
distinto de cero en caso contrario.
.SH ATRIBUTOS
Para obtener una explicación de los términos usados en esta sección, véase
\fBattributes\fP(7).
.TS
allbox;
lb lb lb
l l l.
Interfaz	Atributo	Valor
T{
\fBon_exit\fP()
T}	Seguridad del hilo	Multi\-hilo seguro
.TE
.sp 1
.SH "CONFORME A"
This function comes from SunOS 4, but is also present in glibc.  It no
longer occurs in Solaris (SunOS 5).  Portable application should avoid this
function, and use the standard \fBatexit\fP(3)  instead.
.SH NOTAS
By the time \fIfunction\fP is executed, stack (\fIauto\fP)  variables may already
have gone out of scope.  Therefore, \fIarg\fP should not be a pointer to a
stack variable; it may however be a pointer to a heap variable or a global
variable.
.SH "VÉASE TAMBIÉN"
\fB_exit\fP(2), \fBatexit\fP(3), \fBexit\fP(3)
.SH COLOFÓN
Esta página es parte de la versión 5.10 del proyecto Linux
\fIman\-pages\fP. Puede encontrar una descripción del proyecto, información
sobre cómo informar errores y la última versión de esta página en
\%https://www.kernel.org/doc/man\-pages/.

.SH TRADUCCIÓN
La traducción al español de esta página del manual fue creada por
Urko Lusa <ulusa@lacueva.ddns.org>
.

Esta traducción es documentación libre; lea la
.UR https://www.gnu.org/licenses/gpl-3.0.html
GNU General Public License Version 3
.UE
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No existe NINGUNA RESPONSABILIDAD.

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