atomic.h File Reference

atomic operations header and generic implementations More...

Go to the source code of this file.

Functions

int l4util_cmpxchg64 (volatile l4_uint64_t *dest, l4_uint64_t cmp_val, l4_uint64_t new_val)

Atomic compare and exchange (64 bit version).

int l4util_cmpxchg32 (volatile l4_uint32_t *dest, l4_uint32_t cmp_val, l4_uint32_t new_val)

Atomic compare and exchange (32 bit version).

int l4util_cmpxchg16 (volatile l4_uint16_t *dest, l4_uint16_t cmp_val, l4_uint16_t new_val)

Atomic compare and exchange (16 bit version).

int l4util_cmpxchg8 (volatile l4_uint8_t *dest, l4_uint8_t cmp_val, l4_uint8_t new_val)

Atomic compare and exchange (8 bit version).

int l4util_cmpxchg (volatile l4_umword_t *dest, l4_umword_t cmp_val, l4_umword_t new_val)

Atomic compare and exchange (machine wide fields).

l4_uint32_t l4util_xchg32 (volatile l4_uint32_t *dest, l4_uint32_t val)

Atomic exchange (32 bit version).

l4_uint16_t l4util_xchg16 (volatile l4_uint16_t *dest, l4_uint16_t val)

Atomic exchange (16 bit version).

l4_uint8_t l4util_xchg8 (volatile l4_uint8_t *dest, l4_uint8_t val)

Atomic exchange (8 bit version).

l4_umword_t l4util_xchg (volatile l4_umword_t *dest, l4_umword_t val)

Atomic exchange (machine wide fields).

void l4util_atomic_add (volatile long *dest, long val)

Atomic add.

void l4util_atomic_inc (volatile long *dest)

Atomic increment.

Atomic compare and exchange with result

l4_uint8_t l4util_cmpxchg8_res (volatile l4_uint8_t *dest, l4_uint8_t cmp_val, l4_uint8_t new_val)

l4_uint16_t l4util_cmpxchg16_res (volatile l4_uint16_t *dest, l4_uint16_t cmp_val, l4_uint16_t new_val)

l4_uint32_t l4util_cmpxchg32_res (volatile l4_uint32_t *dest, l4_uint32_t cmp_val, l4_uint32_t new_val)

l4_umword_t l4util_cmpxchg_res (volatile l4_umword_t *dest, l4_umword_t cmp_val, l4_umword_t new_val)

Atomic add/sub/and/or (8,16,32 bit version) without result

void l4util_add8 (volatile l4_uint8_t *dest, l4_uint8_t val)

void l4util_add16 (volatile l4_uint16_t *dest, l4_uint16_t val)

void l4util_add32 (volatile l4_uint32_t *dest, l4_uint32_t val)

void l4util_sub8 (volatile l4_uint8_t *dest, l4_uint8_t val)

void l4util_sub16 (volatile l4_uint16_t *dest, l4_uint16_t val)

void l4util_sub32 (volatile l4_uint32_t *dest, l4_uint32_t val)

void l4util_and8 (volatile l4_uint8_t *dest, l4_uint8_t val)

void l4util_and16 (volatile l4_uint16_t *dest, l4_uint16_t val)

void l4util_and32 (volatile l4_uint32_t *dest, l4_uint32_t val)

void l4util_or8 (volatile l4_uint8_t *dest, l4_uint8_t val)

void l4util_or16 (volatile l4_uint16_t *dest, l4_uint16_t val)

void l4util_or32 (volatile l4_uint32_t *dest, l4_uint32_t val)

Atomic add/sub/and/or operations (8,16,32 bit) with result

l4_uint8_t l4util_add8_res (volatile l4_uint8_t *dest, l4_uint8_t val)

l4_uint16_t l4util_add16_res (volatile l4_uint16_t *dest, l4_uint16_t val)

l4_uint32_t l4util_add32_res (volatile l4_uint32_t *dest, l4_uint32_t val)

l4_uint8_t l4util_sub8_res (volatile l4_uint8_t *dest, l4_uint8_t val)

l4_uint16_t l4util_sub16_res (volatile l4_uint16_t *dest, l4_uint16_t val)

l4_uint32_t l4util_sub32_res (volatile l4_uint32_t *dest, l4_uint32_t val)

l4_uint8_t l4util_and8_res (volatile l4_uint8_t *dest, l4_uint8_t val)

l4_uint16_t l4util_and16_res (volatile l4_uint16_t *dest, l4_uint16_t val)

l4_uint32_t l4util_and32_res (volatile l4_uint32_t *dest, l4_uint32_t val)

l4_uint8_t l4util_or8_res (volatile l4_uint8_t *dest, l4_uint8_t val)

l4_uint16_t l4util_or16_res (volatile l4_uint16_t *dest, l4_uint16_t val)

l4_uint32_t l4util_or32_res (volatile l4_uint32_t *dest, l4_uint32_t val)

Atomic inc/dec (8,16,32 bit) without result

void l4util_inc8 (volatile l4_uint8_t *dest)

void l4util_inc16 (volatile l4_uint16_t *dest)

void l4util_inc32 (volatile l4_uint32_t *dest)

void l4util_dec8 (volatile l4_uint8_t *dest)

void l4util_dec16 (volatile l4_uint16_t *dest)

void l4util_dec32 (volatile l4_uint32_t *dest)

Atomic inc/dec (8,16,32 bit) with result

l4_uint8_t l4util_inc8_res (volatile l4_uint8_t *dest)

l4_uint16_t l4util_inc16_res (volatile l4_uint16_t *dest)

l4_uint32_t l4util_inc32_res (volatile l4_uint32_t *dest)

l4_uint8_t l4util_dec8_res (volatile l4_uint8_t *dest)

l4_uint16_t l4util_dec16_res (volatile l4_uint16_t *dest)

l4_uint32_t l4util_dec32_res (volatile l4_uint32_t *dest)

Detailed Description

atomic operations header and generic implementations

Date:: 10/20/2000

Author:: Lars Reuther <reuther@os.inf.tu-dresden.de>, Jork Loeser <jork@os.inf.tu-dresden.de>

Definition in file atomic.h.


Functions
int	l4util_cmpxchg64 (volatile l4_uint64_t *dest, l4_uint64_t cmp_val, l4_uint64_t new_val)
	Atomic compare and exchange (64 bit version).
int	l4util_cmpxchg32 (volatile l4_uint32_t *dest, l4_uint32_t cmp_val, l4_uint32_t new_val)
	Atomic compare and exchange (32 bit version).
int	l4util_cmpxchg16 (volatile l4_uint16_t *dest, l4_uint16_t cmp_val, l4_uint16_t new_val)
	Atomic compare and exchange (16 bit version).
int	l4util_cmpxchg8 (volatile l4_uint8_t *dest, l4_uint8_t cmp_val, l4_uint8_t new_val)
	Atomic compare and exchange (8 bit version).
int	l4util_cmpxchg (volatile l4_umword_t *dest, l4_umword_t cmp_val, l4_umword_t new_val)
	Atomic compare and exchange (machine wide fields).
l4_uint32_t	l4util_xchg32 (volatile l4_uint32_t *dest, l4_uint32_t val)
	Atomic exchange (32 bit version).
l4_uint16_t	l4util_xchg16 (volatile l4_uint16_t *dest, l4_uint16_t val)
	Atomic exchange (16 bit version).
l4_uint8_t	l4util_xchg8 (volatile l4_uint8_t *dest, l4_uint8_t val)
	Atomic exchange (8 bit version).
l4_umword_t	l4util_xchg (volatile l4_umword_t *dest, l4_umword_t val)
	Atomic exchange (machine wide fields).
void	l4util_atomic_add (volatile long *dest, long val)
	Atomic add.
void	l4util_atomic_inc (volatile long *dest)
	Atomic increment.
Atomic compare and exchange with result
l4_uint8_t	l4util_cmpxchg8_res (volatile l4_uint8_t *dest, l4_uint8_t cmp_val, l4_uint8_t new_val)
l4_uint16_t	l4util_cmpxchg16_res (volatile l4_uint16_t *dest, l4_uint16_t cmp_val, l4_uint16_t new_val)
l4_uint32_t	l4util_cmpxchg32_res (volatile l4_uint32_t *dest, l4_uint32_t cmp_val, l4_uint32_t new_val)
l4_umword_t	l4util_cmpxchg_res (volatile l4_umword_t *dest, l4_umword_t cmp_val, l4_umword_t new_val)
Atomic add/sub/and/or (8,16,32 bit version) without result
void	l4util_add8 (volatile l4_uint8_t *dest, l4_uint8_t val)
void	l4util_add16 (volatile l4_uint16_t *dest, l4_uint16_t val)
void	l4util_add32 (volatile l4_uint32_t *dest, l4_uint32_t val)
void	l4util_sub8 (volatile l4_uint8_t *dest, l4_uint8_t val)
void	l4util_sub16 (volatile l4_uint16_t *dest, l4_uint16_t val)
void	l4util_sub32 (volatile l4_uint32_t *dest, l4_uint32_t val)
void	l4util_and8 (volatile l4_uint8_t *dest, l4_uint8_t val)
void	l4util_and16 (volatile l4_uint16_t *dest, l4_uint16_t val)
void	l4util_and32 (volatile l4_uint32_t *dest, l4_uint32_t val)
void	l4util_or8 (volatile l4_uint8_t *dest, l4_uint8_t val)
void	l4util_or16 (volatile l4_uint16_t *dest, l4_uint16_t val)
void	l4util_or32 (volatile l4_uint32_t *dest, l4_uint32_t val)
Atomic add/sub/and/or operations (8,16,32 bit) with result
l4_uint8_t	l4util_add8_res (volatile l4_uint8_t *dest, l4_uint8_t val)
l4_uint16_t	l4util_add16_res (volatile l4_uint16_t *dest, l4_uint16_t val)
l4_uint32_t	l4util_add32_res (volatile l4_uint32_t *dest, l4_uint32_t val)
l4_uint8_t	l4util_sub8_res (volatile l4_uint8_t *dest, l4_uint8_t val)
l4_uint16_t	l4util_sub16_res (volatile l4_uint16_t *dest, l4_uint16_t val)
l4_uint32_t	l4util_sub32_res (volatile l4_uint32_t *dest, l4_uint32_t val)
l4_uint8_t	l4util_and8_res (volatile l4_uint8_t *dest, l4_uint8_t val)
l4_uint16_t	l4util_and16_res (volatile l4_uint16_t *dest, l4_uint16_t val)
l4_uint32_t	l4util_and32_res (volatile l4_uint32_t *dest, l4_uint32_t val)
l4_uint8_t	l4util_or8_res (volatile l4_uint8_t *dest, l4_uint8_t val)
l4_uint16_t	l4util_or16_res (volatile l4_uint16_t *dest, l4_uint16_t val)
l4_uint32_t	l4util_or32_res (volatile l4_uint32_t *dest, l4_uint32_t val)
Atomic inc/dec (8,16,32 bit) without result
void	l4util_inc8 (volatile l4_uint8_t *dest)
void	l4util_inc16 (volatile l4_uint16_t *dest)
void	l4util_inc32 (volatile l4_uint32_t *dest)
void	l4util_dec8 (volatile l4_uint8_t *dest)
void	l4util_dec16 (volatile l4_uint16_t *dest)
void	l4util_dec32 (volatile l4_uint32_t *dest)
Atomic inc/dec (8,16,32 bit) with result
l4_uint8_t	l4util_inc8_res (volatile l4_uint8_t *dest)
l4_uint16_t	l4util_inc16_res (volatile l4_uint16_t *dest)
l4_uint32_t	l4util_inc32_res (volatile l4_uint32_t *dest)
l4_uint8_t	l4util_dec8_res (volatile l4_uint8_t *dest)
l4_uint16_t	l4util_dec16_res (volatile l4_uint16_t *dest)
l4_uint32_t	l4util_dec32_res (volatile l4_uint32_t *dest)