1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
.\"
.\" 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.\" manual page may be incorrect or out-of-date.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.
.\"
.\" Modified by Michael Haardt (u31b3hs@pool.informatik.rwth-aachen.de)
.\" Modified Fri Jul 23 23:25:42 1993 by Rik Faith (faith@cs.unc.edu)
.\"
.\"
.\" Traduction 10/10/1996 Christophe BLAESS (ccb@club-internet.fr)
.\" Mise a Jour 8/04/97
.TH PIPE 2 "8 Avril 1997" "Linux" "Manuel du programmeur Linux"
.SH NOM
pipe \- Creer un tube.
.SH SYNOPSIS
.B #include <unistd.h>
.sp
.BI "int pipe(int " filedes "[2]);
.SH DESCRIPTION
.B pipe
cree une paire de descripteurs de fichiers, pointant sur un i\-noeud de
tube, et les place dans un tableau
.I filedes.
.I filedes[0]
est utilise pour la lecture, et
.I filedes[1]
pour l'ecriture.
En general deux processus (crees par fork) vont se partager le tube,
et utiliser les fonctions
.BR read
et
.BR write
pour se transmettre des donnees.
.SH "VALEUR RENVOYEE"
.BR pipe
renvoie 0 s'il reussit, ou \-1 s'il echoue, auquel cas
.I errno
contient le code d'erreur.
.SH ERREURS
.TP 0.8i
.B EMFILE
Trop de descripteurs de fichiers sont utilises par le processus.
.TP
.B ENFILE
La table systeme pour les tubes est pleine.
.TP
.B EFAULT
.I filedes
est invalide.
.SH CONFORMITE
SVr4, SVID, AT&T, POSIX, X/OPEN, BSD 4.3
.SH "VOIR AUSSI"
.BR read "(2), " write "(2), " fork "(2), " socketpair (2)
|
