#ifndef _STRUCT_TIMESPEC
#define _STRUCT_TIMESPEC
struct timespec {
- time_t tv_sec; /* seconds */
- long tv_nsec; /* nanoseconds */
+ __kernel_time_t tv_sec; /* seconds */
+ long tv_nsec; /* nanoseconds */
};
#endif
struct timeval {
- time_t tv_sec; /* seconds */
- suseconds_t tv_usec; /* microseconds */
+ __kernel_time_t tv_sec; /* seconds */
+ __kernel_suseconds_t tv_usec; /* microseconds */
};
struct timezone {
#define CURRENT_TIME (current_kernel_time())
#define CURRENT_TIME_SEC ((struct timespec) { get_seconds(), 0 })
+/* Some architectures do not supply their own clocksource.
+ * This is mainly the case in architectures that get their
+ * inter-tick times by reading the counter on their interval
+ * timer. Since these timers wrap every tick, they're not really
+ * useful as clocksources. Wrapping them to act like one is possible
+ * but not very efficient. So we provide a callout these arches
+ * can implement for use with the jiffies clocksource to provide
+ * finer then tick granular time.
+ */
+#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
+extern u32 arch_gettimeoffset(void);
+#else
+static inline u32 arch_gettimeoffset(void) { return 0; }
+#endif
+
extern void do_gettimeofday(struct timeval *tv);
extern int do_settimeofday(struct timespec *tv);
extern int do_sys_settimeofday(struct timespec *tv, struct timezone *tz);