52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* Copyright 2006-2007, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
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* Copyright 2003, Jeff Ward, jeff@r2d2.stcloudstate.edu. All rights reserved.
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*
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _KERNEL_REAL_TIME_CLOCK_H
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#define _KERNEL_REAL_TIME_CLOCK_H
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#include <KernelExport.h>
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#include <time.h>
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struct kernel_args;
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#define RTC_EPOCH_BASE_YEAR 1970
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#ifdef __cplusplus
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extern "C" {
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#endif
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void set_real_time_clock_usecs(bigtime_t currentTime);
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status_t rtc_init(struct kernel_args *args);
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bigtime_t rtc_boot_time(void);
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// Returns the time at which the system was booted in microseconds since Jan 1, 1970 UTC.
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// Both functions use the passed struct tm only partially
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// (no tm_wday, tm_yday, tm_isdst).
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uint32 rtc_tm_to_secs(const struct tm *t);
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void rtc_secs_to_tm(uint32 seconds, struct tm *t);
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uint32 get_timezone_offset(void);
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bigtime_t _user_system_time(void);
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status_t _user_set_real_time_clock(bigtime_t time);
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status_t _user_set_timezone(int32 timezoneOffset, const char *name,
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size_t nameLength);
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status_t _user_get_timezone(int32 *_timezoneOffset, char* name,
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size_t nameLength);
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status_t _user_set_real_time_clock_is_gmt(bool isGMT);
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status_t _user_get_real_time_clock_is_gmt(bool *_isGMT);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KERNEL_REAL_TIME_CLOCK_H */
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