X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=execution.cc;fp=execution.cc;h=4496b9c63deeca6fa8198ec086425ba8fa1d6932;hb=741d3d1160343d8545a783a2d05d3d0562b1c737;hp=4e154275eac6b42cb4ea805ab9e86bf6a63cd2b5;hpb=dd1f275d3e8042282bad49cf85fddfc2a5735166;p=model-checker.git diff --git a/execution.cc b/execution.cc index 4e15427..4496b9c 100644 --- a/execution.cc +++ b/execution.cc @@ -817,9 +817,10 @@ void ModelExecution::add_future_value(const ModelAction *writer, ModelAction *re /** * Process a write ModelAction * @param curr The ModelAction to process + * @param work The work queue, for adding fixup work * @return True if the mo_graph was updated or promises were resolved */ -bool ModelExecution::process_write(ModelAction *curr) +bool ModelExecution::process_write(ModelAction *curr, work_queue_t *work) { /* Readers to which we may send our future value */ ModelVector send_fv; @@ -832,7 +833,7 @@ bool ModelExecution::process_write(ModelAction *curr) if (promise) { earliest_promise_reader = promise->get_reader(0); - updated_promises = resolve_promise(curr, promise); + updated_promises = resolve_promise(curr, promise, work); } else earliest_promise_reader = NULL; @@ -1272,7 +1273,7 @@ ModelAction * ModelExecution::check_current_action(ModelAction *curr) if (act->is_read() && !second_part_of_rmw && process_read(act)) update = true; - if (act->is_write() && process_write(act)) + if (act->is_write() && process_write(act, &work_queue)) update = true; if (act->is_fence() && process_fence(act)) @@ -2333,15 +2334,20 @@ Promise * ModelExecution::pop_promise_to_resolve(const ModelAction *curr) * Resolve a Promise with a current write. * @param write The ModelAction that is fulfilling Promises * @param promise The Promise to resolve + * @param work The work queue, for adding new fixup work * @return True if the Promise was successfully resolved; false otherwise */ -bool ModelExecution::resolve_promise(ModelAction *write, Promise *promise) +bool ModelExecution::resolve_promise(ModelAction *write, Promise *promise, + work_queue_t *work) { ModelVector actions_to_check; for (unsigned int i = 0; i < promise->get_num_readers(); i++) { ModelAction *read = promise->get_reader(i); - read_from(read, write); + if (read_from(read, write)) { + /* Propagate the changed clock vector */ + propagate_clockvector(read, work); + } actions_to_check.push_back(read); } /* Make sure the promise's value matches the write's value */