From d27c2fdc745db9021ebd3870695829fd1242cbbf Mon Sep 17 00:00:00 2001
From: jkoshy <jkoshy@FreeBSD.org>
Date: Thu, 21 Jul 2005 06:44:54 +0000
Subject: Add COMPATIBILITY and HISTORY sections.

MFC after:	3 days
---
 lib/libpmc/pmc.3 | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'lib')

diff --git a/lib/libpmc/pmc.3 b/lib/libpmc/pmc.3
index 81d3e69..a3925d8 100644
--- a/lib/libpmc/pmc.3
+++ b/lib/libpmc/pmc.3
@@ -3263,6 +3263,23 @@ if successful; otherwise the value
 is returned and the global variable
 .Va errno
 is set to indicate the error.
+.Sh COMPATIBILITY
+The interface between the
+.Xr pmc 3
+library and the
+.Xr hwpmc 4
+driver is intended to be private to the implementation and may
+change.
+In order to ease forward compatibility with future versions of the
+.Xr hwpmc 4
+driver, applications are urged to dynamically link with the
+.Xr pmc 3
+library.
+.Pp
+The
+.Xr pmc 3
+API is
+.Ud
 .Sh ERRORS
 A call to
 .Fn pmc_init
@@ -3384,6 +3401,11 @@ driver.
 .Xr hwpmc 4 ,
 .Xr pmccontrol 8 ,
 .Xr pmcstat 8
+.Sh HISTORY
+The
+.Xr pmc 3
+library first appeared in
+.Fx 6.0 .
 .Sh BUGS
 The information returned by
 .Fn pmc_cpuinfo ,
-- 
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