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.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" References consulted:
.\" Linux libc source code
.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\" 386BSD man pages
.\" Modified Sun Jul 25 10:40:51 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified Sun Apr 14 16:20:34 1996 by Andries Brouwer (aeb@cwi.nl)
.\" Translated into Spanish Mon Mar 9 09:26:18 CET 1998 by Gerardo
.\" Aburruzaga Garca <gerardo.aburruzaga@uca.es>
.\"
.TH SIGINTERRUPT 3 "9 Marzo 1998" "Linux" "Manual del Programador de Linux"
.SH NOMBRE
siginterrupt \- permite que seales interrumpan llamadas al sistema
.SH SINOPSIS
.nf
.B #include <signal.h>
.sp
.BI "int siginterrupt(int " sig ", int " flag );
.fi
.SH DESCRIPCIN
La funcin \fBsiginterrupt()\fP cambia el comportamiento de reanudacin
cuando una seal \fIsig\fP interrumpe una llamada al sistema. Si el
argumento \fIflag\fP es falso (0), entonces las llamadas al sistema se
reanudarn si han sido interrumpidas por la seal especificada en
\fIsig\fP. ste es el comportamiento predeterminado en Linux. Sin
embargo, cuando se especifica un nuevo manejador de seal mediante la
funcin \fBsignal\fP(2), la llamada al sistema se interrumpe de manera
predeterminada.
.PP
Si el argumento \fIflags\fP es verdad (distinto de cero, 1 por
ejemplo) y no se han transferido datos, cuando una seal \fIsig\fP
interrumpe una llamada al sistema, sta devolver \-1 y la variable
global \fIerrno\fP contendr el valor \fBEINTR\fP.
.PP
Si el argumento \fIflags\fP es verdad y ha empezado la transferencia
de datos, entonces la llamada al sistema ser interrumpida y devolver
la cantidad real de datos transferidos.
.SH "VALOR DEVUELTO"
La funcin \fBsiginterrupt()\fP devuelve 0 si acaba bien, \-1 si el
nmero de seal \fIsig\fP es invlido.
.SH "ERRORES"
.TP
.B EINVAL
El nmero de seal especificado no es vlido.
.SH "CONFORME A"
BSD 4.3
.SH "VASE TAMBIN"
.BR signal (2)
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