realtime_helpers.hpp

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#ifndef REALTIME_TOOLS__REALTIME_HELPERS_HPP_
#define REALTIME_TOOLS__REALTIME_HELPERS_HPP_
 
#include <string>
#include <thread>
#include <utility>
#include <vector>
 
#ifdef _WIN32
// Here we directly use void* instead of including windows.h
// and using HANDLE macro to avoid polluting all the downstream
// compilation units that include the public header realtime_helpers.hpp
// with problematic macros like MIN, MAX or ERROR
using NATIVE_THREAD_HANDLE = void *;
#else
using NATIVE_THREAD_HANDLE = pthread_t;
#endif
 
namespace realtime_tools
{
bool has_realtime_kernel();
 
bool configure_sched_fifo(int priority);
 
std::pair<bool, std::string> lock_memory();
 
std::pair<bool, std::string> set_thread_affinity(
  NATIVE_THREAD_HANDLE thread, const std::vector<int> & cores);
 
std::pair<bool, std::string> set_thread_affinity(NATIVE_THREAD_HANDLE thread, int core);
 
std::pair<bool, std::string> set_thread_affinity(std::thread & thread, int core);
 
std::pair<bool, std::string> set_current_thread_affinity(int core);
 
std::pair<bool, std::string> set_current_thread_affinity(const std::vector<int> & cores);
 
int64_t get_number_of_available_processors();
 
}  // namespace realtime_tools
 
#endif  // REALTIME_TOOLS__REALTIME_HELPERS_HPP_