From a2354db3230d0e9408b455ca1c0eab361a33b319 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 9 Feb 2011 02:51:50 +0000
Subject: [PATCH] make a note about process lock and
 ARDOUR::how_many_dsp_threads()

git-svn-id: svn://localhost/ardour2/branches/3.0@8794 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/ardour/utils.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/ardour/utils.cc b/libs/ardour/utils.cc
index b19aad4fa9..2ea8b73dc2 100644
--- a/libs/ardour/utils.cc
+++ b/libs/ardour/utils.cc
@@ -657,6 +657,8 @@ matching_unsuffixed_filename_exists_in (const string& dir, const string& path)
 uint32_t
 how_many_dsp_threads ()
 {
+        /* CALLER MUST HOLD PROCESS LOCK */
+
         int num_cpu = hardware_concurrency();
         int pu = Config->get_processor_usage ();
         uint32_t num_threads = max (num_cpu - 1, 2); // default to number of cpus minus one, or 2, whichever is larger