1 /* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/sysdep.h"
10 #include <xbt/dynar.hpp>
12 #include "src/mc/checker/CommunicationDeterminismChecker.hpp"
13 #include "src/mc/mc_comm_pattern.hpp"
14 #include "src/mc/mc_smx.hpp"
15 #include "src/mc/mc_xbt.hpp"
17 using simgrid::mc::remote;
19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_comm_pattern, mc,
20 "Logging specific to MC communication patterns");
22 static void MC_patterns_copy(xbt_dynar_t dest,
23 std::vector<simgrid::mc::PatternCommunication> const& source)
25 xbt_dynar_reset(dest);
26 for (simgrid::mc::PatternCommunication const& comm : source) {
27 simgrid::mc::PatternCommunication* copy_comm = new simgrid::mc::PatternCommunication(comm.dup());
28 xbt_dynar_push(dest, ©_comm);
32 void MC_restore_communications_pattern(simgrid::mc::State* state)
34 simgrid::mc::PatternCommunicationList* list_process_comm;
37 xbt_dynar_foreach(initial_communications_pattern, cursor, list_process_comm)
38 list_process_comm->index_comm = state->communicationIndices[cursor];
40 for (unsigned i = 0; i < MC_smx_get_maxpid(); i++)
42 xbt_dynar_get_as(incomplete_communications_pattern, i, xbt_dynar_t),
43 state->incomplete_comm_pattern[i]
47 void MC_state_copy_incomplete_communications_pattern(simgrid::mc::State* state)
49 state->incomplete_comm_pattern.clear();
50 for (unsigned i=0; i < MC_smx_get_maxpid(); i++) {
51 xbt_dynar_t patterns = xbt_dynar_get_as(incomplete_communications_pattern, i, xbt_dynar_t);
52 std::vector<simgrid::mc::PatternCommunication> res;
53 simgrid::mc::PatternCommunication* comm;
55 xbt_dynar_foreach(patterns, cursor, comm)
56 res.push_back(comm->dup());
57 state->incomplete_comm_pattern.push_back(std::move(res));
61 void MC_state_copy_index_communications_pattern(simgrid::mc::State* state)
63 state->communicationIndices.clear();
64 simgrid::mc::PatternCommunicationList* list_process_comm;
66 xbt_dynar_foreach(initial_communications_pattern, cursor, list_process_comm)
67 state->communicationIndices.push_back(list_process_comm->index_comm);
70 void MC_handle_comm_pattern(
71 e_mc_call_type_t call_type, smx_simcall_t req,
72 int value, xbt_dynar_t pattern, int backtracking)
74 // HACK, do not rely on the Checker implementation outside of it
75 simgrid::mc::CommunicationDeterminismChecker* checker =
76 (simgrid::mc::CommunicationDeterminismChecker*) mc_model_checker->getChecker();
79 case MC_CALL_TYPE_NONE:
81 case MC_CALL_TYPE_SEND:
82 case MC_CALL_TYPE_RECV:
83 checker->get_comm_pattern(pattern, req, call_type, backtracking);
85 case MC_CALL_TYPE_WAIT:
86 case MC_CALL_TYPE_WAITANY:
88 simgrid::mc::RemotePtr<simgrid::kernel::activity::CommImpl> comm_addr{nullptr};
89 if (call_type == MC_CALL_TYPE_WAIT)
90 comm_addr = remote(static_cast<simgrid::kernel::activity::CommImpl*>(simcall_comm_wait__getraw__comm(req)));
93 simgrid::kernel::activity::CommImpl* addr;
94 // comm_addr = REMOTE(xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_synchro_t)):
95 simgrid::mc::read_element(mc_model_checker->process(), &addr, remote(simcall_comm_waitany__get__comms(req)),
96 value, sizeof(comm_addr));
97 comm_addr = remote(addr);
99 checker->complete_comm_pattern(pattern, comm_addr,
100 MC_smx_simcall_get_issuer(req)->pid, backtracking);
104 xbt_die("Unexpected call type %i", (int)call_type);