update

src/libslic3r/Thread.hpp

@@ -0,0 +1,65 @@
+#ifndef GUI_THREAD_HPP
+#define GUI_THREAD_HPP
+
+#include <utility>
+#include <string>
+#include <thread>
+#include <boost/thread.hpp>
+
+namespace Slic3r {
+
+// Set / get thread name.
+// Returns false if the API is not supported.
+//
+// It is a good idea to name the main thread before spawning children threads, because dynamic linking is used on Windows 10
+// to initialize Get/SetThreadDescription functions, which is not thread safe.
+//
+// pthread_setname_np supports maximum 15 character thread names! (16th character is the null terminator)
+// 
+// Methods taking the thread as an argument are not supported by OSX.
+// Naming threads is only supported on newer Windows 10.
+
+bool set_thread_name(std::thread &thread, const char *thread_name);
+inline bool set_thread_name(std::thread &thread, const std::string &thread_name) { return set_thread_name(thread, thread_name.c_str()); }
+bool set_thread_name(boost::thread &thread, const char *thread_name);
+inline bool set_thread_name(boost::thread &thread, const std::string &thread_name) { return set_thread_name(thread, thread_name.c_str()); }
+bool set_current_thread_name(const char *thread_name);
+inline bool set_current_thread_name(const std::string &thread_name) { return set_current_thread_name(thread_name.c_str()); }
+
+// To be called at the start of the application to save the current thread ID as the main (UI) thread ID.
+void save_main_thread_id();
+// Retrieve the cached main (UI) thread ID.
+boost::thread::id get_main_thread_id();
+// Checks whether the main (UI) thread is active.
+bool is_main_thread_active();
+
+// Returns nullopt if not supported.
+// Not supported by OSX.
+// Naming threads is only supported on newer Windows 10.
+std::optional<std::string> get_current_thread_name();
+
+// To be called somewhere before the TBB threads are spinned for the first time, to
+// give them names recognizible in the debugger.
+// Also it sets locale of the worker threads to "C" for the G-code generator to produce "." as a decimal separator.
+void name_tbb_thread_pool_threads_set_locale();
+
+template<class Fn>
+inline boost::thread create_thread(boost::thread::attributes &attrs, Fn &&fn)
+{
+    // Duplicating the stack allocation size of Thread Building Block worker
+    // threads of the thread pool: allocate 4MB on a 64bit system, allocate 2MB
+    // on a 32bit system by default.
+    
+    attrs.set_stack_size((sizeof(void*) == 4) ? (2048 * 1024) : (4096 * 1024));
+    return boost::thread{attrs, std::forward<Fn>(fn)};
+}
+
+template<class Fn> inline boost::thread create_thread(Fn &&fn)
+{
+    boost::thread::attributes attrs;
+    return create_thread(attrs, std::forward<Fn>(fn));    
+}
+
+}
+
+#endif // GUI_THREAD_HPP