my_time_t.h

/* Copyright (c) 2021, 2023, Oracle and/or its affiliates.

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License, version 2.0,
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#ifndef MY_TIME_T_INCLUDED
#define MY_TIME_T_INCLUDED
/**
  Portable time_t replacement.  Should be signed and hold seconds for
  1970-01-01 00:00:00 -- 3001-01-18 23:59:59 on an OS with 64 bits time_t.
  On OSes with 32 bits time_t, the values will be constrained further.
*/
#ifdef __cplusplus
using my_time_t = int64_t;
#else
typedef my_time_t int64_t;
#endif

/**
  Replacement of system's struct timeval to ensure we can carry 64 bit values
  even on a platform which has 64 bits time, but only 32 bits tv_sec member,
  notably Windows. We do use the system timeval when interfacing the C API
  calls, though, so in a few cases, e.g. by THD::{start_time, user_time},
  we need to convert between representations but mostly the struct is only used
  internally by MySQL so we can use our own.
*/
struct my_timeval {
  int64_t m_tv_sec;
  int64_t m_tv_usec;
};

#endif /* MY_TIME_T_INCLUDED */