#include <pthread.h>

struct ringBuffer {
  void *buffer;
  int blocks;
  size_t blockSize;
  void *reader;
  void *writer;
  pthread_mutex_t mutex;
};

void ringBufferCreate(int blocks, size_t blockSize, struct ringBuffer *out);
void ringBufferDestroy(struct ringBuffer *buf);
int ringBufferRead(struct ringBuffer *buf, void *out);
void ringBufferWrite(struct ringBuffer *buf, void *in);