#include "../include/dispatch_queue/thread_name.hpp"

#include <cstring>

#if defined(_WIN32)

#include <cstdlib>

#include <windows.h>

#include <processthreadsapi.h>

#elif !defined(__EMSCRIPTEN__)

#include <pthread.h>

#endif

namespace dispatch_queue {

template<size_t N>

static void copy_into(char (&buffer)[N], const std::string& s) {

size_t size = std::min(s.size(), N - 1);

memcpy(buffer, s.data(), size);

buffer[size] = '\0';

}

void set_thread_name(const std::string& name) {

#if defined(_WIN32)

wchar_t wcbuf[64];

size_t converted = mbstowcs(wcbuf, name.c_str(), 64);

wcbuf[converted] = L'\0';

SetThreadDescription(GetCurrentThread(), wcbuf);

#elif defined(__APPLE__)

char buf[64];

copy_into(buf, name);

pthread_setname_np(buf);

#elif !defined(__EMSCRIPTEN__)

char buf[16];

copy_into(buf, name);

pthread_setname_np(pthread_self(), buf);

#endif

}

}