view src/parallel_execution/AtomicReference.cbc @ 538:c0b6ce2ed820

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author Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
date Tue, 13 Feb 2018 04:35:17 +0900
parents ac244346c85d
children
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#include "../context.h"
#interface "Atomic.h"
#include <stdio.h>

Atomic* createAtomicReference(struct Context* context) {
    struct Atomic* atomic = new Atomic();
    struct AtomicReference* atomicReference = new AtomicReference();
    atomic->atomic = (union Data*)atomicReference;
    atomic->checkAndSet = C_checkAndSetAtomicReference;
    return atomic;
}

__code checkAndSetAtomicReference(struct AtomicReference* atomic, union Data** ptr, union Data* oldData, union Data* newData, __code next(...), __code fail(...)) {
    if (__sync_bool_compare_and_swap(ptr, oldData, newData)) {
        goto next(...);
    }
    goto fail(...);
}