extern XBT_PRIVATE std::unique_ptr<s_mc_global_t> initial_global_state;
+struct PatternCommunication {
+ int num = 0;
+ smx_synchro_t comm_addr;
+ e_smx_comm_type_t type = SIMIX_COMM_SEND;
+ unsigned long src_proc = 0;
+ unsigned long dst_proc = 0;
+ const char *src_host = nullptr;
+ const char *dst_host = nullptr;
+ std::string rdv;
+ std::vector<char> data;
+ int tag = 0;
+ int index = 0;
+
+ PatternCommunication()
+ {
+ std::memset(&comm_addr, 0, sizeof(comm_addr));
+ }
+
+ PatternCommunication dup() const
+ {
+ simgrid::mc::PatternCommunication res;
+ // num?
+ res.comm_addr = this->comm_addr;
+ res.type = this->type;
+ // src_proc?
+ // dst_proc?
+ res.dst_proc = this->dst_proc;
+ res.dst_host = this->dst_host;
+ res.rdv = this->rdv;
+ res.data = this->data;
+ // tag?
+ res.index = this->index;
+ return res;
+ }
+
+};
+
/* Possible exploration status of a process in a state */
enum class ProcessInterleaveState {
no_interleave=0, /* Do not interleave (do not execute) */
*
* The `executed_state` is sometimes transformed into another `internal_req`.
* For example WAITANY is transformes into a WAIT and TESTANY into TEST.
- * See `MC_state_set_executed_request()`.
+ * See `MC_state_get_request_for_process()`.
*/
struct XBT_PRIVATE State {
+
+ /** Sequential state number (used for debugging) */
+ int num = 0;
+
+ /* Next transition to explore for this communication
+ *
+ * Some transitions are not deterministic such as:
+ *
+ * * waitany which can receive different messages;
+ *
+ * * random which can produce different values.
+ *
+ * This variable is used to keep track of which transition
+ * should be explored next for a given simcall.
+ */
+ int req_num = 0;
+
/** State's exploration status by process */
std::vector<ProcessState> processStates;
- s_smx_synchro_t internal_comm; /* To be referenced by the internal_req */
- s_smx_simcall_t internal_req; /* Internal translation of request */
- s_smx_simcall_t executed_req; /* The executed request of the state */
- int req_num = 0; /* The request number (in the case of a
- multi-request like waitany ) */
- std::shared_ptr<simgrid::mc::Snapshot> system_state = nullptr; /* Snapshot of system state */
- int num = 0;
- int in_visited_states = 0;
- // comm determinism verification (xbt_dynar_t<xbt_dynar_t<mc_comm_pattern_t>):
- xbt_dynar_t incomplete_comm_pattern = nullptr;
+ /** The simcall */
+ s_smx_simcall_t executed_req;
+
+ /* Internal translation of the simcall
+ *
+ * IMCALL_COMM_TESTANY is translated to a SIMCALL_COMM_TEST
+ * and SIMCALL_COMM_WAITANY to a SIMCALL_COMM_WAIT.
+ */
+ s_smx_simcall_t internal_req;
+
+ /* Can be used as a copy of the remote synchro object */
+ s_smx_synchro_t internal_comm;
+
+ /** Snapshot of system state (if needed) */
+ std::shared_ptr<simgrid::mc::Snapshot> system_state;
- // For communication determinism verification:
+ // For CommunicationDeterminismChecker
+ std::vector<std::vector<simgrid::mc::PatternCommunication>> incomplete_comm_pattern;
std::vector<unsigned> communicationIndices;
State();
- ~State();
std::size_t interleaveSize() const;
};
XBT_PRIVATE simgrid::mc::State* MC_state_new(void);
XBT_PRIVATE void MC_state_interleave_process(simgrid::mc::State* state, smx_process_t process);
-XBT_PRIVATE void MC_state_set_executed_request(simgrid::mc::State* state, smx_simcall_t req, int value);
XBT_PRIVATE smx_simcall_t MC_state_get_executed_request(simgrid::mc::State* state, int *value);
XBT_PRIVATE smx_simcall_t MC_state_get_internal_request(simgrid::mc::State* state);
XBT_PRIVATE smx_simcall_t MC_state_get_request(simgrid::mc::State* state, int *value);
-XBT_PRIVATE void MC_state_remove_interleave_process(simgrid::mc::State* state, smx_process_t process);
#endif