#pragma once

#include <memory>
#include <string>

struct PlatformMutex {
  virtual ~PlatformMutex() {}
};
struct PlatformScopedMutexLock {
  virtual ~PlatformScopedMutexLock() {}
};
struct PlatformSharedMemory {
  virtual ~PlatformSharedMemory() {}

  size_t* shared_bytes_used;
  char* shared_start;
};

const int shmem_size = 1024 * 256;  // number of chars/bytes (256kb)

std::unique_ptr<PlatformMutex> CreatePlatformMutex(const std::string& name);
std::unique_ptr<PlatformScopedMutexLock> CreatePlatformScopedMutexLock(PlatformMutex* mutex);
std::unique_ptr<PlatformSharedMemory> CreatePlatformSharedMemory(const std::string& name);

std::string GetWorkingDirectory();