NAME

       ck_pr_fence_store_load — enforce ordering of store operations to load operations

LIBRARY

       Concurrency Kit (libck, -lck)

SYNOPSIS

       #include <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 enforces 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/

                                                  May 18, 2013                         CK_PR_FENCE_STORE_LOAD(3)