LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

lseek.2: _GNU_SOURCE must be defined to get SEEK_DATE and SEEK_HOLE definitions 

See http://sourceware.org/bugzilla/show_bug.cgi?id=15312

Reported-by: Andreas Jaeger <aj@suse.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2013-03-27 21:45:43 +01:00
parent d80cadc13a
commit b4be4f08bb
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
man2/lseek.2
View File

@ -44,7 +44,7 @@
.\" Modified 2003-08-21 by Andries Brouwer <aeb@cwi.nl>
.\" 2011-09-18, mtk, Added SEEK_DATA + SEEK_HOLE
.\"
.TH LSEEK 2 2011-09-25 "Linux" "Linux Programmer's Manual"
.TH LSEEK 2 2013-03-27 "Linux" "Linux Programmer's Manual"
.SH NAME
lseek \- reposition read/write file offset
.SH SYNOPSIS
@ -150,6 +150,15 @@ it can be considered to consist of data that is a sequence of zeros).
.\" https://lkml.org/lkml/2011/4/22/79
.\" http://lwn.net/Articles/440255/
.\" http://blogs.oracle.com/bonwick/entry/seek_hole_and_seek_data
The
.BR _GNU_SOURCE
feature test macro must be defined in order to obtain the definitions of
.BR SEEK_DATA
and
.BR SEEK_HOLE
from
.IR <unistd.h> .
.SH RETURN VALUE
Upon successful completion,
.BR lseek ()