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NAME ck_pr_fence_store -- enforce partial ordering of store operations LIBRARY Concurrency Kit (libck, -lck) SYNOPSIS #include <ck_pr.h> void ck_pr_fence_store(void); void ck_pr_fence_strict_store(void); DESCRIPTION The ck_pr_fence_store() function enforces the ordering of any memory store, ck_pr_store() and atomic read-modify-write operations relative to the invocation of the function. This function always serve as an im- plicit compiler barrier. On architectures implementing CK_MD_TSO, this operation only serves as a compiler barrier and no fences are emitted. On architectures implementing CK_MD_PSO and CK_MD_RMO, a store fence is emitted. To force the unconditional emission of a store fence, use ck_pr_fence_strict_store(). EXAMPLE #include <ck_pr.h> static int a = 0; static int b = 0; static int c = 0; void function(void) { ck_pr_store_int(&a, 1); /* * Guarantee that the store to a is completed * with respect to the stores of b and c. */ ck_pr_fence_store(); ck_pr_store_int(&b, 2); ck_pr_store_int(&c, 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_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/ April 7, 2013 ck_pr_fence_store(3)
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | EXAMPLE | RETURN VALUES | SEE ALSO
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