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fsync.2: Update feature test macro requirements for fsync() 

Since glibc 2.8, the fsync() declaration is also exposed if
_POSIX_C_SOURCE >= 200112L

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2008-11-07 21:42:33 -05:00
parent a5a061ee0c
commit da8dbaa525
1 changed files with 4 additions and 1 deletions
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5
man2/fsync.2
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@ -34,7 +34,7 @@
.\" Fix description to describe what it really does; add a few caveats.
.\" 2006-04-28, mtk, substantial rewrite of various parts.
.\"
.TH FSYNC 2 2007-07-26 "Linux" "Linux Programmer's Manual"
.TH FSYNC 2 2008-11-07 "Linux" "Linux Programmer's Manual"
.SH NAME
fsync, fdatasync \- synchronize a file's in-core state with storage device
.SH SYNOPSIS
@ -51,6 +51,9 @@ Feature Test Macro Requirements for glibc (see
.sp
.BR fsync ():
_BSD_SOURCE || _XOPEN_SOURCE
.br
|| /* since glibc 2.8: */ _POSIX_C_SOURCE\ >=\ 200112L
.\" _POSIX_C_SOURCE\ >=\ 200112L only since glibc 2.8
.br
.BR fdatasync ():
_POSIX_C_SOURCE\ >=\ 199309L || _XOPEN_SOURCE\ >=\ 500