add a --max-concurrency flag

It sets the max number of threads to use for a parallel job.
This is different that the number of total threads, since monero
binaries typically start a lot of them.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/daemon/main.cpp b/src/daemon/main.cpp
index 0717fd89b..bfd829dea 100644
--- a/src/daemon/main.cpp
+++ b/src/daemon/main.cpp
@@ -81,6 +81,7 @@ int main(int argc, char const * argv[])
       bf::path default_log = default_data_dir / std::string(CRYPTONOTE_NAME ".log");
       command_line::add_arg(core_settings, daemon_args::arg_log_file, default_log.string());
       command_line::add_arg(core_settings, daemon_args::arg_log_level);
+      command_line::add_arg(core_settings, daemon_args::arg_max_concurrency);
 
       daemonizer::init_options(hidden_options, visible_options);
       daemonize::t_executor::init_options(core_settings);
@@ -260,6 +261,9 @@ int main(int argc, char const * argv[])
         );
     }
 
+    if (command_line::has_arg(vm, daemon_args::arg_max_concurrency))
+      tools::set_max_concurrency(command_line::get_arg(vm, daemon_args::arg_max_concurrency));
+
     _note_c("dbg/main", "Moving from main() into the daemonize now.");
 
     return daemonizer::daemonize(argc, argv, daemonize::t_executor{}, vm);