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Man Pages


Manual Reference Pages  -  CK_PR_FENCE_STORE_LOAD (3)

NAME

ck_pr_fence_store_load - enforce ordering of store operations to load operations

CONTENTS

Library
Synopsis
Description
Example
Return Values
See Also

LIBRARY

Concurrency Kit (libck, -lck)

SYNOPSIS


.In ck_pr.h void ck_pr_fence_store_load void void ck_pr_fence_strict_store_load void

DESCRIPTION

The ck_pr_fence_store_load function enfores the ordering of any memory store, ck_pr_store and atomic read-modify-write operations to load operations relative to the invocation of the function. This function always serve as an implicit compiler barrier. A fence will currently always be emitted for this operation, including for TSO memory model targets.

EXAMPLE

#include <ck_pr.h>

static int a = 0; static int b = 0;

void function(void) {         unsigned int snapshot_b;

        ck_pr_store_int(&a, 1);

        /*          * Guarantee that the store to a is completed          * with respect to load from b.          */         ck_pr_fence_store_load();         snapshot_b = ck_pr_load_int(&b, 2);         return; }

RETURN VALUES

This function has no return value.

SEE ALSO

ck_pr_stall(3), ck_pr_fence_atomic(3), ck_pr_fence_atomic_store(3), ck_pr_fence_atomic_load(3), ck_pr_fence_load(3), ck_pr_fence_load_atomic(3), ck_pr_fence_load_store(3), ck_pr_fence_load_depends(3), ck_pr_fence_store(3), ck_pr_fence_store_atomic(3), ck_pr_fence_memory(3), ck_pr_barrier(3), ck_pr_fas(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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