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)
	Calculate static inline time API function name.
#define	PROVIDE_TIME(_subsys, _api_func, _func)
	Provide a time API implementation.
#define	PROVIDE_TIME_INLINE(_subsys, _api_func)
	Provide a static inline time API implementation.

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

Variables
signed long	time_offset
	Current system clock offset.

Detailed Description

Time source.

Definition in file time.h.

Macro Definition Documentation

TIME_INLINE

#define TIME_INLINE	(		_subsys,
			_api_func )

Value:

        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 24 of file time.h.

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

PROVIDE_TIME

#define PROVIDE_TIME	(		_subsys,
			_api_func,
			_func )

Value:

        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 34 of file time.h.

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

PROVIDE_TIME_INLINE

#define PROVIDE_TIME_INLINE	(		_subsys,
			_api_func )

Value:

        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 43 of file time.h.

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

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

FILE_SECBOOT()

FILE_SECBOOT

(

PERMITTED

)

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__(), PROVIDE_TIME(), PROVIDE_TIME(), and PROVIDE_TIME().

__attribute__()

__attribute__ ( (always_inline) )

inlinestatic

Adjust system clock.

Parameters

delta

Clock adjustment, in seconds

Definition at line 68 of file time.h.

                                  {
 
        time_offset += delta;
}

References time_offset.

Variable Documentation

time_offset

signed long time_offset

extern

Current system clock offset.

Definition at line 48 of file time.c.

Referenced by __attribute__(), and __attribute__().