u_thread.h

static inline void u_thread_setname( const char *name )
{
#if defined(HAVE_PTHREAD)
#if DETECT_OS_LINUX || DETECT_OS_CYGWIN
   int ret = pthread_setname_np(pthread_self(), name);
   if (ret == ERANGE) {
      char buf[16];
      const size_t len = MIN2(strlen(name), ARRAY_SIZE(buf) - 1);
      memcpy(buf, name, len);
      buf[len] = '\0';
      pthread_setname_np(pthread_self(), buf);
   }
#elif DETECT_OS_FREEBSD || DETECT_OS_OPENBSD
   pthread_set_name_np(pthread_self(), name);
#elif DETECT_OS_NETBSD
   pthread_setname_np(pthread_self(), "%s", (void *)name);
#elif DETECT_OS_APPLE
   pthread_setname_np(name);
#elif DETECT_OS_HAIKU
   rename_thread(find_thread(NULL), name);
#else
#warning Not sure how to call pthread_setname_np
#endif
#endif
   (void)name;
}