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getpagesize(3): add .Xr to sysconf(3)

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POSIX deprecated getpagesize(3).  The portable way to obtain the page
size is `sysconf(_SC_PAGESIZE)`.

Reviewed by:	cperciva (earlier), imp
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D35352
This commit is contained in:
Ed Maste 2022-05-30 15:34:34 -04:00
parent 5acb4c862b
commit 49c937e704
1 changed files with 10 additions and 2 deletions
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12
lib/libc/gen/getpagesize.3
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@ -28,7 +28,7 @@
.\" @(#)getpagesize.3 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd April 26, 2017
.Dd June 1, 2022
.Dt GETPAGESIZE 3
.Os
.Sh NAME
@ -51,9 +51,17 @@ management calls.
The page size is a system
page size and may not be the same as the underlying
hardware page size.
.Pp
.St -p1003.1-2001
removed
.Nm .
Portable applications should use
.Ql sysconf(_SC_PAGESIZE)
instead.
.Sh SEE ALSO
.Xr pagesize 1 ,
.Xr sbrk 2
.Xr sbrk 2 ,
.Xr sysconf 3
.Sh HISTORY
The
.Fn getpagesize