time.h File Reference

Time source. More...

#include <sys/time.h>
#include <ipxe/api.h>
#include <config/time.h>
#include <ipxe/null_time.h>
#include <ipxe/efi/efi_time.h>
#include <ipxe/linux/linux_time.h>
#include <bits/time.h>

Go to the source code of this file.

Macros
#define	TIME_INLINE(_subsys, _api_func)   SINGLE_API_INLINE ( TIME_PREFIX_ ## _subsys, _api_func )
	Calculate static inline time API function name. More...
#define	PROVIDE_TIME(_subsys, _api_func, _func)   PROVIDE_SINGLE_API ( TIME_PREFIX_ ## _subsys, _api_func, _func )
	Provide a time API implementation. More...
#define	PROVIDE_TIME_INLINE(_subsys, _api_func)   PROVIDE_SINGLE_API_INLINE ( TIME_PREFIX_ ## _subsys, _api_func )
	Provide a static inline time API implementation. More...

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
time_t	time_now (void)
	Get current time in seconds (ignoring system clock offset) More...
static	__attribute__ ((always_inline)) void time_adjust(signed long delta)
	Adjust system clock. More...

Variables
signed long	time_offset
	Current system clock offset. More...

Detailed Description

Time source.

Definition in file time.h.

Macro Definition Documentation

TIME_INLINE

#define TIME_INLINE	(		_subsys,
			_api_func
	)		SINGLE_API_INLINE ( TIME_PREFIX_ ## _subsys, _api_func )

Calculate static inline time API function name.

Parameters

_prefix	Subsystem prefix
_api_func	API function

Return values

_subsys_func

Subsystem API function

Definition at line 23 of file time.h.

PROVIDE_TIME

#define PROVIDE_TIME	(		_subsys,
			_api_func,
			_func
	)		PROVIDE_SINGLE_API ( TIME_PREFIX_ ## _subsys, _api_func, _func )

Provide a time API implementation.

Parameters

_prefix	Subsystem prefix
_api_func	API function
_func	Implementing function

Definition at line 33 of file time.h.

PROVIDE_TIME_INLINE

#define PROVIDE_TIME_INLINE	(		_subsys,
			_api_func
	)		PROVIDE_SINGLE_API_INLINE ( TIME_PREFIX_ ## _subsys, _api_func )

Provide a static inline time API implementation.

Parameters

_prefix	Subsystem prefix
_api_func	API function

Definition at line 42 of file time.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

time_now()

time_t time_now

(

void

)

Get current time in seconds (ignoring system clock offset)

Return values

time	Time, in seconds

Referenced by __attribute__().

__attribute__()

static __attribute__ ( (always_inline)  )

inlinestatic

Adjust system clock.

Parameters

delta

Clock adjustment, in seconds

Definition at line 67 of file time.h.

                                  {

        time_offset += delta;
}

References time_offset.

Variable Documentation

time_offset

signed long time_offset

Current system clock offset.

Definition at line 47 of file time.c.

Referenced by __attribute__().