From 737877e62467b924eea0a43eab68258b0c13db78 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Mon, 13 Feb 2017 09:48:12 +0200 Subject: Add MT-safe variable_cache, use for variable overrides --- build2/b.cxx | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'build2/b.cxx') diff --git a/build2/b.cxx b/build2/b.cxx index 14258b3..01d9378 100644 --- a/build2/b.cxx +++ b/build2/b.cxx @@ -273,7 +273,7 @@ main (int argc, char* argv[]) keep_going = !ops.serial_stop (); - // Start up the scheduler. + // Start up the scheduler and allocate lock shards. // size_t jobs (0); @@ -296,6 +296,10 @@ main (int argc, char* argv[]) sched.startup (jobs); + variable_cache_mutex_shard_size = sched.shard_size (); + variable_cache_mutex_shard.reset ( + new shared_mutex[variable_cache_mutex_shard_size]); + // Trace some overall environment information. // if (verb >= 5) -- cgit v1.1