diff options
Diffstat (limited to 'man2/pipe.2')
| -rw-r--r-- | man2/pipe.2 | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/man2/pipe.2 b/man2/pipe.2 new file mode 100644 index 000000000..3e03ab3b9 --- /dev/null +++ b/man2/pipe.2 @@ -0,0 +1,67 @@ +.\" 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 +.\" +.\" Since the Linux kernel and libraries are constantly changing, this +.\" manual page may be incorrect or out-of-date.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 <michael@moria.de> +.\" Modified 1993-07-23 by Rik Faith <faith@cs.unc.edu> +.\" Modified 1996-10-22 by Eric S. Raymond <esr@thyrsus.com> +.\" Modified 2004-06-17 by Michael Kerrisk <mtk16@ext.canterbury.ac.nz> +.\" +.TH PIPE 2 2004-06-17 "Linux 2.6.7" "Linux Programmer's Manual" +.SH NAME +pipe \- create pipe +.SH SYNOPSIS +.B #include <unistd.h> +.sp +.BI "int pipe(int " filedes "[2]);" +.SH DESCRIPTION +.B pipe +creates a pair of file descriptors, pointing to a pipe inode, and places +them in the array pointed to by +.IR filedes . +.I filedes[0] +is for reading, +.I filedes[1] +is for writing. +.SH "RETURN VALUE" +On success, zero is returned. On error, \-1 is returned, and +.I errno +is set appropriately. +.SH ERRORS +.TP +.B EFAULT +.I filedes +is not valid. +.TP +.B EMFILE +Too many file descriptors are in use by the process. +.TP +.B ENFILE +The system limit on the total number of open files has been reached. +.SH "CONFORMING TO" +SVr4, SVID, AT&T, POSIX, X/OPEN, BSD 4.3 +.SH "SEE ALSO" +.BR fork (2), +.BR read (2), +.BR socketpair (2), +.BR write (2) |