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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */#ifndef _UAPI_LINUX_TIME_H#define _UAPI_LINUX_TIME_H
#include <linux/types.h>#include <linux/time_types.h>
#ifndef __KERNEL__#ifndef _STRUCT_TIMESPEC#define _STRUCT_TIMESPECstruct timespec { __kernel_old_time_t tv_sec; /* seconds */ long tv_nsec; /* nanoseconds */};#endif
struct timeval { __kernel_old_time_t tv_sec; /* seconds */ __kernel_suseconds_t tv_usec; /* microseconds */};
struct itimerspec { struct timespec it_interval;/* timer period */ struct timespec it_value; /* timer expiration */};
struct itimerval { struct timeval it_interval;/* timer interval */ struct timeval it_value; /* current value */};#endif
struct timezone { int tz_minuteswest; /* minutes west of Greenwich */ int tz_dsttime; /* type of dst correction */};
/* * Names of the interval timers, and structure * defining a timer setting: */#define ITIMER_REAL 0#define ITIMER_VIRTUAL 1#define ITIMER_PROF 2
/* * The IDs of the various system clocks (for POSIX.1b interval timers): */#define CLOCK_REALTIME 0#define CLOCK_MONOTONIC 1#define CLOCK_PROCESS_CPUTIME_ID 2#define CLOCK_THREAD_CPUTIME_ID 3#define CLOCK_MONOTONIC_RAW 4#define CLOCK_REALTIME_COARSE 5#define CLOCK_MONOTONIC_COARSE 6#define CLOCK_BOOTTIME 7#define CLOCK_REALTIME_ALARM 8#define CLOCK_BOOTTIME_ALARM 9/* * The driver implementing this got removed. The clock ID is kept as a * place holder. Do not reuse! */#define CLOCK_SGI_CYCLE 10#define CLOCK_TAI 11
#define MAX_CLOCKS 16
/* * AUX clock support. AUXiliary clocks are dynamically configured by * enabling a clock ID. These clock can be steered independently of the * core timekeeper. The kernel can support up to 8 auxiliary clocks, but * the actual limit depends on eventual architecture constraints vs. VDSO. */#define CLOCK_AUX MAX_CLOCKS#define MAX_AUX_CLOCKS 8#define CLOCK_AUX_LAST (CLOCK_AUX + MAX_AUX_CLOCKS - 1)
#define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC)#define CLOCKS_MONO CLOCK_MONOTONIC
/* * The various flags for setting POSIX.1b interval timers: */#define TIMER_ABSTIME 0x01
#endif /* _UAPI_LINUX_TIME_H */