types.h

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#ifndef TYPES_H
#define TYPES_H
 
#include <stdint.h>
#ifdef __cplusplus
#include <span>
#endif // __cplusplus
 
#ifdef __cplusplus
namespace eth_hashjoin {
#endif // __cplusplus
 
 
#ifdef KEY_8B /* 64-bit key/value, 16B tuples */
typedef int64_t intkey_t;
typedef int64_t value_t;
#else /* 32-bit key/value, 8B tuples */
typedef int32_t intkey_t;
typedef int32_t value_t;
#endif
 
typedef struct tuple_t    tuple_t;
typedef struct relation_t relation_t;
 
typedef struct result_t result_t;
typedef struct threadresult_t threadresult_t;
 
struct tuple_t {
    intkey_t key;
    value_t  payload;
};
 
struct relation_t {
  tuple_t * tuples;
  uint64_t  num_tuples;
 
#ifdef __cplusplus
    relation_t() : relation_t(nullptr, 0) {}
    relation_t(tuple_t * tuples, uint64_t num_tuples) : tuples(tuples), num_tuples(num_tuples) {}
    relation_t(const std::span<tuple_t>& span) : tuples(span.data()), num_tuples(span.size()) {}
    operator std::span<tuple_t>() { return {tuples, num_tuples}; }
#endif // __cplusplus
};
 
struct threadresult_t {
    int64_t  nresults;
    void *   results;
    uint32_t threadid;
};
 
struct result_t {
    int64_t          totalresults;
    threadresult_t * resultlist;
    int              nthreads;
};
 
#ifdef __cplusplus
} // namespace eth_hashjoin
#endif // __cplusplus
#endif /* TYPES_H */