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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/kernel/time/posix-timers.h
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@@ -6,9 +6,12 @@
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 				struct timespec64 *tp);
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 	int	(*clock_set)(const clockid_t which_clock,
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 			     const struct timespec64 *tp);
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-	int	(*clock_get)(const clockid_t which_clock,
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-			     struct timespec64 *tp);
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-	int	(*clock_adj)(const clockid_t which_clock, struct timex *tx);
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+	/* Returns the clock value in the current time namespace. */
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+	int	(*clock_get_timespec)(const clockid_t which_clock,
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+				      struct timespec64 *tp);
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+	/* Returns the clock value in the root time namespace. */
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+	ktime_t	(*clock_get_ktime)(const clockid_t which_clock);
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+	int	(*clock_adj)(const clockid_t which_clock, struct __kernel_timex *tx);
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 	int	(*timer_create)(struct k_itimer *timer);
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 	int	(*nsleep)(const clockid_t which_clock, int flags,
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 			  const struct timespec64 *);
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@@ -24,6 +27,7 @@
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 	int	(*timer_try_to_cancel)(struct k_itimer *timr);
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 	void	(*timer_arm)(struct k_itimer *timr, ktime_t expires,
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 			     bool absolute, bool sigev_none);
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+	void	(*timer_wait_running)(struct k_itimer *timr);
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 };
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 extern const struct k_clock clock_posix_cpu;