PrusaSlicer-NonPlainar/src/libslic3r/Thread.hpp
Vojtech Bubnik f9a5ee725d Follow-up to ae7d6db1d9
Exporting G-code on a worker thread did not work correctly as the worker
threads were using user's locale, not "C" locale.
The "C" locale is newly enforced to TBB worker threads by
name_tbb_thread_pool_threads_set_locale()
2021-09-13 13:04:12 +02:00

59 lines
2.3 KiB
C++

#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()); }
// 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