#ifndef _LINUX_TIME_H
#define _LINUX_TIME_H
-#include <linux/types.h>
-
-#ifdef __KERNEL__
# include <linux/cache.h>
# include <linux/seqlock.h>
# include <linux/math64.h>
-#endif
-
-#ifndef _STRUCT_TIMESPEC
-#define _STRUCT_TIMESPEC
-struct timespec {
- __kernel_time_t tv_sec; /* seconds */
- long tv_nsec; /* nanoseconds */
-};
-#endif
-
-struct timeval {
- __kernel_time_t tv_sec; /* seconds */
- __kernel_suseconds_t tv_usec; /* microseconds */
-};
-
-struct timezone {
- int tz_minuteswest; /* minutes west of Greenwich */
- int tz_dsttime; /* type of dst correction */
-};
-
-#ifdef __KERNEL__
+#include <uapi/linux/time.h>
extern struct timezone sys_tz;
/* Can't have more nanoseconds then a second */
if ((unsigned long)ts->tv_nsec >= NSEC_PER_SEC)
return false;
+ return true;
+}
+
+static inline bool timespec_valid_strict(const struct timespec *ts)
+{
+ if (!timespec_valid(ts))
+ return false;
/* Disallow values that could overflow ktime_t */
if ((unsigned long long)ts->tv_sec >= KTIME_SEC_MAX)
return false;
return true;
}
+extern bool persistent_clock_exist;
+
+#ifdef ALWAYS_USE_PERSISTENT_CLOCK
+#define has_persistent_clock() true
+#else
+static inline bool has_persistent_clock(void)
+{
+ return persistent_clock_exist;
+}
+#endif
+
extern void read_persistent_clock(struct timespec *ts);
extern void read_boot_clock(struct timespec *ts);
extern int update_persistent_clock(struct timespec now);
struct itimerval *ovalue);
extern unsigned int alarm_setitimer(unsigned int seconds);
extern int do_getitimer(int which, struct itimerval *value);
+extern int __getnstimeofday(struct timespec *tv);
extern void getnstimeofday(struct timespec *tv);
extern void getrawmonotonic(struct timespec *ts);
extern void getnstime_raw_and_real(struct timespec *ts_raw,
a->tv_nsec = ns;
}
-#endif /* __KERNEL__ */
-
-/*
- * Names of the interval timers, and structure
- * defining a timer setting:
- */
-#define ITIMER_REAL 0
-#define ITIMER_VIRTUAL 1
-#define ITIMER_PROF 2
-
-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 */
-};
-
-/*
- * 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 IDs of various hardware clocks:
- */
-#define CLOCK_SGI_CYCLE 10
-#define MAX_CLOCKS 16
-#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