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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_TIME_H#define _LINUX_TIME_H
# include <linux/cache.h># include <linux/math64.h># include <linux/time64.h>
extern struct timezone sys_tz;
int get_timespec64(struct timespec64 *ts, const struct __kernel_timespec __user *uts);int put_timespec64(const struct timespec64 *ts, struct __kernel_timespec __user *uts);int get_itimerspec64(struct itimerspec64 *it, const struct __kernel_itimerspec __user *uit);int put_itimerspec64(const struct itimerspec64 *it, struct __kernel_itimerspec __user *uit);
extern time64_t mktime64(const unsigned int year, const unsigned int mon, const unsigned int day, const unsigned int hour, const unsigned int min, const unsigned int sec);
#ifdef CONFIG_POSIX_TIMERSextern void clear_itimer(void);#elsestatic inline void clear_itimer(void) {}#endif
extern long do_utimes(int dfd, const char __user *filename, struct timespec64 *times, int flags);
/* * Similar to the struct tm in userspace <time.h>, but it needs to be here so * that the kernel source is self contained. */struct tm { /* * the number of seconds after the minute, normally in the range * 0 to 59, but can be up to 60 to allow for leap seconds */ int tm_sec; /* the number of minutes after the hour, in the range 0 to 59*/ int tm_min; /* the number of hours past midnight, in the range 0 to 23 */ int tm_hour; /* the day of the month, in the range 1 to 31 */ int tm_mday; /* the number of months since January, in the range 0 to 11 */ int tm_mon; /* the number of years since 1900 */ long tm_year; /* the number of days since Sunday, in the range 0 to 6 */ int tm_wday; /* the number of days since January 1, in the range 0 to 365 */ int tm_yday;};
void time64_to_tm(time64_t totalsecs, int offset, struct tm *result);
# include <linux/time32.h>
static inline bool itimerspec64_valid(const struct itimerspec64 *its){ if (!timespec64_valid(&(its->it_interval)) || !timespec64_valid(&(its->it_value))) return false;
return true;}
/** * time_after32 - compare two 32-bit relative times * @a: the time which may be after @b * @b: the time which may be before @a * * time_after32(a, b) returns true if the time @a is after time @b. * time_before32(b, a) returns true if the time @b is before time @a. * * Similar to time_after(), compare two 32-bit timestamps for relative * times. This is useful for comparing 32-bit seconds values that can't * be converted to 64-bit values (e.g. due to disk format or wire protocol * issues) when it is known that the times are less than 68 years apart. */#define time_after32(a, b) ((s32)((u32)(b) - (u32)(a)) < 0)#define time_before32(b, a) time_after32(a, b)
/** * time_between32 - check if a 32-bit timestamp is within a given time range * @t: the time which may be within [l,h] * @l: the lower bound of the range * @h: the higher bound of the range * * time_before32(t, l, h) returns true if @l <= @t <= @h. All operands are * treated as 32-bit integers. * * Equivalent to !(time_before32(@t, @l) || time_after32(@t, @h)). */#define time_between32(t, l, h) ((u32)(h) - (u32)(l) >= (u32)(t) - (u32)(l))
# include <vdso/time.h>
#endif