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posix-timers: Introduce clock_posix_cpu

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The CLOCK_DISPATCH() macro is a horrible magic. We call common
functions if a function pointer is not set. That's just backwards.

To support dynamic file decriptor based clocks we need to cleanup that
dispatch logic.

Create a k_clock struct clock_posix_cpu which has all the
posix-cpu-timer functions filled in. After the cleanup the functions
can be made static.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <johnstul@us.ibm.com>
Tested-by: Richard Cochran <richard.cochran@omicron.at>
LKML-Reference: <20110201134417.841974553@linutronix.de>
This commit is contained in:
Thomas Gleixner
2011-02-01 13:51:06 +00:00
parent 2fd1f04089
commit 1976945eea
2 changed files with 14 additions and 0 deletions
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2
include/linux/posix-timers.h
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@@ -85,6 +85,8 @@ struct k_clock {
struct itimerspec * cur_setting);
};
extern struct k_clock clock_posix_cpu;
void register_posix_clock(const clockid_t clock_id, struct k_clock *new_clock);
/* error handlers for timer_create, nanosleep and settime */