processormask.h File Reference

Processor Mask API. More...

#include <rtems/score/cpu.h>
#include <sys/cpuset.h>
#include <strings.h>

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Enumerations
enum	Processor_mask_Copy_status { PROCESSOR_MASK_COPY_LOSSLESS, PROCESSOR_MASK_COPY_PARTIAL_LOSS, PROCESSOR_MASK_COPY_COMPLETE_LOSS, PROCESSOR_MASK_COPY_INVALID_SIZE }

Functions
typedef	BITSET_DEFINE (Processor_mask, CPU_MAXIMUM_PROCESSORS) Processor_mask
	A bit map which is large enough to provide one bit for each processor in the system.
RTEMS_INLINE_ROUTINE void	_Processor_mask_Zero (Processor_mask *mask)
	Sets the bits of the mask to zero, also considers CPU_MAXIMUM_PROCESSORS. More...
RTEMS_INLINE_ROUTINE bool	_Processor_mask_Is_zero (const Processor_mask *mask)
	Checks if the mask is zero, also considers CPU_MAXIMUM_PROCESSORS. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_Fill (Processor_mask *mask)
	Fills the mask, also considers CPU_MAXIMUM_PROCESSORS. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_Assign (Processor_mask *dst, const Processor_mask *src)
	Copies the mask to another mask, also considers CPU_MAXIMUM_PROCESSORS. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_Set (Processor_mask *mask, uint32_t index)
	Sets the specified index bit of the mask. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_Clear (Processor_mask *mask, uint32_t index)
	Clears the specified index bit of the mask. More...
RTEMS_INLINE_ROUTINE bool	_Processor_mask_Is_set (const Processor_mask *mask, uint32_t index)
	Checks if the specified index bit of the mask is set. More...
RTEMS_INLINE_ROUTINE bool	_Processor_mask_Is_equal (const Processor_mask *a, const Processor_mask *b)
	Checks if the processor sets a and b are equal. More...
RTEMS_INLINE_ROUTINE bool	_Processor_mask_Has_overlap (const Processor_mask *a, const Processor_mask *b)
	Checks if the intersection of the processor sets a and b is non-empty. More...
RTEMS_INLINE_ROUTINE bool	_Processor_mask_Is_subset (const Processor_mask *big, const Processor_mask *small)
	Checks if the processor set small is a subset of processor set big. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_And (Processor_mask *a, const Processor_mask *b, const Processor_mask *c)
	Performs a bitwise a = b & c. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_Nand (Processor_mask *a, const Processor_mask *b, const Processor_mask *c)
	Performs a bitwise a = b & ~c. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_Or (Processor_mask *a, const Processor_mask *b, const Processor_mask *c)
	Performs a bitwise a = b | c. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_Xor (Processor_mask *a, const Processor_mask *b, const Processor_mask *c)
	Performs a bitwise a = b ^ c. More...
RTEMS_INLINE_ROUTINE uint32_t	_Processor_mask_Count (const Processor_mask *a)
	Gets the number of set bits in the processor mask. More...
RTEMS_INLINE_ROUTINE uint32_t	_Processor_mask_Find_last_set (const Processor_mask *a)
	Finds the last set of the processor mask. More...
RTEMS_INLINE_ROUTINE uint32_t	_Processor_mask_To_uint32_t (const Processor_mask *mask, uint32_t index)
	Returns the subset of 32 processors containing the specified index as an unsigned 32-bit integer. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_From_uint32_t (Processor_mask *mask, uint32_t bits, uint32_t index)
	Creates a processor set from an unsigned 32-bit integer relative to the specified index. More...
RTEMS_INLINE_ROUTINE void	_Processor_mask_From_index (Processor_mask *mask, uint32_t index)
	Creates a processor set from the specified index. More...
RTEMS_INLINE_ROUTINE bool	_Processor_mask_Is_at_most_partial_loss (Processor_mask_Copy_status status)
	Checks if the copy status guarantees at most partial loss. More...
Processor_mask_Copy_status	_Processor_mask_Copy (long *dst, size_t dst_size, const long *src, size_t src_size)
	Copies one mask to another. More...
RTEMS_INLINE_ROUTINE Processor_mask_Copy_status	_Processor_mask_To_cpu_set_t (const Processor_mask *src, size_t dst_size, cpu_set_t *dst)
	Copies one mask to another. More...
RTEMS_INLINE_ROUTINE Processor_mask_Copy_status	_Processor_mask_From_cpu_set_t (Processor_mask *dst, size_t src_size, const cpu_set_t *src)
	Copies one mask to another. More...

Variables
const Processor_mask	_Processor_mask_The_one_and_only

Detailed Description

Processor Mask API.