mesa/src/c11/time.h

52 lines
1.0 KiB
C

/*
* Copyright 2022 Yonggang Luo
* SPDX-License-Identifier: MIT
*
* C11 <time.h> emulation library
*/
#ifndef C11_TIME_H_INCLUDED_
#define C11_TIME_H_INCLUDED_
#include <time.h>
/*---------------------------- macros ---------------------------*/
#ifndef TIME_UTC
#define TIME_UTC 1
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*---------------------------- types ----------------------------*/
/*
* On MINGW `struct timespec` present but `timespec_get` may not present;
* On MSVC `struct timespec` and `timespec_get` present at the same time;
* So detecting `HAVE_STRUCT_TIMESPEC` in meson script dynamically.
*/
#ifndef HAVE_STRUCT_TIMESPEC
struct timespec
{
time_t tv_sec; // Seconds - >= 0
long tv_nsec; // Nanoseconds - [0, 999999999]
};
#endif
/*-------------------------- functions --------------------------*/
#ifndef HAVE_TIMESPEC_GET
/*-------------------- 7.25.7 Time functions --------------------*/
// 7.25.6.1
int
timespec_get(struct timespec *ts, int base);
#endif
#ifdef __cplusplus
}
#endif
#endif /* C11_TIME_H_INCLUDED_ */