From ef4ba9be479b9fe03d41003e2a1b8e8f77375e6f Mon Sep 17 00:00:00 2001
From: Joseph Koshy <jkoshy@FreeBSD.org>
Date: Wed, 12 Mar 2008 15:48:59 +0000
Subject: [PATCH] Describe return values from pmc_ncpu() and pmc_npmc() better.

---
 lib/libpmc/pmc_capabilities.3 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/libpmc/pmc_capabilities.3 b/lib/libpmc/pmc_capabilities.3
index 7506454412b..97dc1a365e9 100644
--- a/lib/libpmc/pmc_capabilities.3
+++ b/lib/libpmc/pmc_capabilities.3
@@ -157,7 +157,10 @@ Functions
 .Fn pmc_ncpu
 and
 .Fn pmc_npmc
-returns a positive integer if successful or -1 in case of an error.
+returns a positive integer if successful; otherwise the value -1 is
+returned and the global variable
+.Va errno
+is set to indicate the error.
 .Pp
 Functions
 .Fn pmc_capabilities ,