6bb7a098b7
prototype and not just a forward git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37910 a95241bf-73f2-0310-859d-f6bbb57e9c96
48 lines
1.2 KiB
C
48 lines
1.2 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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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(uint32 time);
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status_t _user_set_timezone(int32 timezoneOffset);
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status_t _user_get_timezone(int32 *_timezoneOffset);
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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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