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Add workaround for msvc 2015 update 1 with 1 CPU.

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This commit is contained in:
Jason Turner
2016-01-31 19:05:37 -07:00
parent 7923c3e0c7
commit c438a388d7
1 changed files with 6 additions and 0 deletions
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6
include/chaiscript/chaiscript_stdlib.hpp
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@@ -49,7 +49,13 @@ namespace chaiscript
#ifndef CHAISCRIPT_NO_THREADS
lib->add(standard_library::future_type<std::future<chaiscript::Boxed_Value>>("future"));
#ifdef CHAISCRIPT_MSVC
/// this is to work around an issue that seems to only come up on single CPU hosts on MSVC 2015 Update 1
/// \todo reevaluate this later
lib->add(chaiscript::fun([](const std::function<chaiscript::Boxed_Value ()> &t_func){ return std::async(std::thread::hardware_concurrency() <= 1 ? std::launch::deferred : std::launch::async, t_func);}), "async");
#else
lib->add(chaiscript::fun([](const std::function<chaiscript::Boxed_Value ()> &t_func){ return std::async(std::launch::async, t_func);}), "async");
#endif
#endif
lib->add(json_wrap::library());