74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
#ifndef _IPXE_TIME_H
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#define _IPXE_TIME_H
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/** @file
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*
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* Time source
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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#include <sys/time.h>
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#include <ipxe/api.h>
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#include <config/time.h>
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/**
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* Calculate static inline time API function name
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*
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* @v _prefix Subsystem prefix
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* @v _api_func API function
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* @ret _subsys_func Subsystem API function
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*/
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#define TIME_INLINE( _subsys, _api_func ) \
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SINGLE_API_INLINE ( TIME_PREFIX_ ## _subsys, _api_func )
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/**
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* Provide a time API implementation
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*
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* @v _prefix Subsystem prefix
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* @v _api_func API function
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* @v _func Implementing function
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*/
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#define PROVIDE_TIME( _subsys, _api_func, _func ) \
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PROVIDE_SINGLE_API ( TIME_PREFIX_ ## _subsys, _api_func, _func )
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/**
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* Provide a static inline time API implementation
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*
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* @v _prefix Subsystem prefix
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* @v _api_func API function
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*/
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#define PROVIDE_TIME_INLINE( _subsys, _api_func ) \
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PROVIDE_SINGLE_API_INLINE ( TIME_PREFIX_ ## _subsys, _api_func )
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/* Include all architecture-independent time API headers */
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#include <ipxe/null_time.h>
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#include <ipxe/efi/efi_time.h>
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#include <ipxe/linux/linux_time.h>
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/* Include all architecture-dependent time API headers */
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#include <bits/time.h>
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extern signed long time_offset;
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/**
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* Get current time in seconds (ignoring system clock offset)
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*
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* @ret time Time, in seconds
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*/
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time_t time_now ( void );
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/**
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* Adjust system clock
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*
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* @v delta Clock adjustment, in seconds
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*/
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static inline __attribute__ (( always_inline )) void
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time_adjust ( signed long delta ) {
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time_offset += delta;
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}
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#endif /* _IPXE_TIME_H */
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