ardour/livetrax
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make a note about process lock and ARDOUR::how_many_dsp_threads()

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git-svn-id: svn://localhost/ardour2/branches/3.0@8794 d708f5d6-7413-0410-9779-e7cbd77b26cf
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Paul Davis 2011-02-09 02:51:50 +00:00
parent e61b5e23c4
commit a2354db323
1 changed files with 2 additions and 0 deletions
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2
libs/ardour/utils.cc
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@ -657,6 +657,8 @@ matching_unsuffixed_filename_exists_in (const string& dir, const string& path)
uint32_t uint32_t
how_many_dsp_threads () how_many_dsp_threads ()
{ {
/* CALLER MUST HOLD PROCESS LOCK */
int num_cpu = hardware_concurrency(); int num_cpu = hardware_concurrency();
int pu = Config->get_processor_usage (); 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 uint32_t num_threads = max (num_cpu - 1, 2); // default to number of cpus minus one, or 2, whichever is larger