Atomic Operations 64 bit

These functions are used for atomically operating on 64 bit values in memory. More...

Collaboration diagram for Atomic Operations 64 bit:

Functions
uint64_t	OSGetAtomic64 (volatile uint64_t *ptr)
uint64_t	OSSetAtomic64 (volatile uint64_t *ptr, uint64_t value)
BOOL	OSCompareAndSwapAtomic64 (volatile uint64_t *ptr, uint64_t compare, uint64_t value)
BOOL	OSCompareAndSwapAtomicEx64 (volatile uint64_t *ptr, uint64_t compare, uint64_t value, uint64_t *old)
uint64_t	OSSwapAtomic64 (volatile uint64_t *ptr, uint64_t value)
int64_t	OSAddAtomic64 (volatile int64_t *ptr, int64_t value)
uint64_t	OSAndAtomic64 (volatile uint64_t *ptr, uint64_t value)
uint64_t	OSOrAtomic64 (volatile uint64_t *ptr, uint64_t value)
uint64_t	OSXorAtomic64 (volatile uint64_t *ptr, uint64_t value)
BOOL	OSTestAndClearAtomic64 (volatile uint64_t *ptr, uint32_t bit)
BOOL	OSTestAndSetAtomic64 (volatile uint64_t *ptr, uint32_t bit)

Detailed Description

These functions are used for atomically operating on 64 bit values in memory.

Function Documentation

OSGetAtomic64()

uint64_t OSGetAtomic64

(

volatile uint64_t *

ptr

)

OSSetAtomic64()

uint64_t OSSetAtomic64	(	volatile uint64_t *	ptr,
		uint64_t	value
	)

OSCompareAndSwapAtomic64()

BOOL OSCompareAndSwapAtomic64	(	volatile uint64_t *	ptr,
		uint64_t	compare,
		uint64_t	value
	)

OSCompareAndSwapAtomicEx64()

BOOL OSCompareAndSwapAtomicEx64	(	volatile uint64_t *	ptr,
		uint64_t	compare,
		uint64_t	value,
		uint64_t *	old
	)

OSSwapAtomic64()

uint64_t OSSwapAtomic64	(	volatile uint64_t *	ptr,
		uint64_t	value
	)

OSAddAtomic64()

int64_t OSAddAtomic64	(	volatile int64_t *	ptr,
		int64_t	value
	)

OSAndAtomic64()

uint64_t OSAndAtomic64	(	volatile uint64_t *	ptr,
		uint64_t	value
	)

OSOrAtomic64()

uint64_t OSOrAtomic64	(	volatile uint64_t *	ptr,
		uint64_t	value
	)

OSXorAtomic64()

uint64_t OSXorAtomic64	(	volatile uint64_t *	ptr,
		uint64_t	value
	)

OSTestAndClearAtomic64()

BOOL OSTestAndClearAtomic64	(	volatile uint64_t *	ptr,
		uint32_t	bit
	)

OSTestAndSetAtomic64()

BOOL OSTestAndSetAtomic64	(	volatile uint64_t *	ptr,
		uint32_t	bit
	)