NAME

ck_pr_fas_ptr, ck_pr_fas_double, ck_pr_fas_char, ck_pr_fas_uint, ck_pr_fas_int, ck_pr_fas_64, ck_pr_fas_32, ck_pr_fas_16, ck_pr_fas_8 — atomic swap operations

LIBRARY

Concurrency Kit (libck, -lck)

SYNOPSIS

#include <ck_pr.h>

void *
ck_pr_fas_ptr(void *target, void *new_value);

double
ck_pr_fas_double(double *target, double new_value);

char
ck_pr_fas_char(char *target, char new_value);

unsigned int
ck_pr_fas_uint(unsigned int *target, unsigned int new_value);

int
ck_pr_fas_int(int *target, int new_value);

uint64_t
ck_pr_fas_64(uint64_t *target, uint64_t new_value);

uint32_t
ck_pr_fas_32(uint32_t *target, uint32_t new_value);

uint16_t
ck_pr_fas_16(uint16_t *target, uint16_t new_value);

uint8_t
ck_pr_fas_8(uint8_t *target, uint8_t new_value);

DESCRIPTION

The ck_pr_fas(3) family of functions atomically fetch the value pointed to by target and replace the value pointed to by target with the value specified by new_value.

RETURN VALUES

This function returns the value pointed to by target at the time of operation invocation before it was atomically replaced with new_value.

SEE ALSO

ck_pr_fence_load(3), ck_pr_fence_load_depends(3), ck_pr_fence_store(3), ck_pr_fence_memory(3), ck_pr_load(3), ck_pr_store(3), ck_pr_faa(3), ck_pr_inc(3), ck_pr_dec(3), ck_pr_neg(3), ck_pr_not(3), ck_pr_add(3), ck_pr_sub(3), ck_pr_and(3), ck_pr_or(3), ck_pr_xor(3), ck_pr_cas(3), ck_pr_btc(3), ck_pr_bts(3), ck_pr_btr(3)

Additional information available at http://concurrencykit.org/