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Man Pages


Manual Reference Pages  -  CK_PR_FAS (3)

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

CONTENTS

Library
Synopsis
Description
Return Values
See Also

LIBRARY

Concurrency Kit (libck, -lck)

SYNOPSIS


.In 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/

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