granularity.c File Reference

CPU timeslice granularity functions. More...

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Functions
static int	granularity_init (void)
	Obtain the timer granularity from the kip.
int	granularity (void)
	Return scheduling granularity.
int	granularity_roundup (unsigned time)
	Round time up to the next kernel-supported granularity.
Variables
static int	kernel_granularity

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Detailed Description

CPU timeslice granularity functions.

Date:

09/14/2004

Author:

Jork Loeser <jork.loeser@inf.tu-dresden.de>

Definition in file granularity.c.

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Function Documentation

int granularity

(

void

)

Return scheduling granularity.

Definition at line 36 of file granularity.c.

References granularity_init(), and kernel_granularity.

Referenced by main().

static int granularity_init

(

void

)

[static]

Obtain the timer granularity from the kip.

Return values:

	0	ok
	!0	error

Definition at line 24 of file granularity.c.

References kernel_granularity.

Referenced by granularity(), and granularity_roundup().

int granularity_roundup

(

unsigned

time

)

Round time up to the next kernel-supported granularity.

Return values:

	0	some error occured
	>0	OK

Definition at line 46 of file granularity.c.

References granularity_init(), and kernel_granularity.

Referenced by l4cpu_reserve_add_component(), and l4cpu_reserve_change_component().

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Variable Documentation

int kernel_granularity [static]

Definition at line 18 of file granularity.c.

Referenced by granularity(), granularity_init(), and granularity_roundup().