4 /** Performs a read action.*/
5 uint64_t model_read_action(void * obj, memory_order ord) {
6 model->switch_to_master(new ModelAction(ATOMIC_READ, ord, obj));
7 return thread_current()->get_return_value();
10 /** Performs a write action.*/
11 void model_write_action(void * obj, memory_order ord, uint64_t val) {
12 model->switch_to_master(new ModelAction(ATOMIC_WRITE, ord, obj, val));
15 /** Performs an init action. */
16 void model_init_action(void * obj, uint64_t val) {
17 model->switch_to_master(new ModelAction(ATOMIC_INIT, memory_order_relaxed, obj, val));
21 * Performs the read part of a RMW action. The next action must either be the
22 * write part of the RMW action or an explicit close out of the RMW action w/o
25 uint64_t model_rmwr_action(void *obj, memory_order ord) {
26 model->switch_to_master(new ModelAction(ATOMIC_RMWR, ord, obj));
27 return thread_current()->get_return_value();
30 /** Performs the write part of a RMW action. */
31 void model_rmw_action(void *obj, memory_order ord, uint64_t val) {
32 model->switch_to_master(new ModelAction(ATOMIC_RMW, ord, obj, val));
35 /** Closes out a RMW action without doing a write. */
36 void model_rmwc_action(void *obj, memory_order ord) {
37 model->switch_to_master(new ModelAction(ATOMIC_RMWC, ord, obj));
40 /** Issues a fence operation. */
41 void model_fence_action(memory_order ord) {
42 model->switch_to_master(new ModelAction(ATOMIC_FENCE, ord, NULL));