#ifndef concurrence_log_h
#define concurrence_log_h

#include <stddef.h>

struct log_buffer;

struct log_buffer * log_new();
void log_delete(struct log_buffer *);
void log_push(struct log_buffer *, int n, const char *data);
// >0 : length ; 0 empty ; -1 : drop
int log_pop(struct log_buffer *self, int n, char *output);

#endif