-/* Copyright (c) 2015-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2015-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
// ***** Environment variables for passing context to the model-checked process
-/** Environment variable name used to pass the communication socket.
- *
- * It is set by `simgrid-mc` to enable MC support in the children processes
- */
-#define MC_ENV_SOCKET_FD "SIMGRID_MC_SOCKET_FD"
-
#ifdef __cplusplus
-#include "cstdint"
-#include "mc/datatypes.h"
+#include "src/kernel/actor/SimcallObserver.hpp"
+
#include "simgrid/forward.h" // aid_t
+#include "src/mc/datatypes.h"
+#include "src/xbt/mmalloc/mmalloc.h"
+#include <xbt/utility.hpp>
+
+#include <array>
+#include <cstdint>
// ***** Messages
-namespace simgrid {
-namespace mc {
-
-enum class MessageType {
- NONE,
- CONTINUE,
- IGNORE_HEAP,
- UNIGNORE_HEAP,
- IGNORE_MEMORY,
- STACK_REGION,
- REGISTER_SYMBOL,
- DEADLOCK_CHECK,
- DEADLOCK_CHECK_REPLY,
- WAITING,
- SIMCALL_HANDLE,
- ASSERTION_FAILED,
- ACTOR_ENABLED,
- ACTOR_ENABLED_REPLY
-};
+namespace simgrid::mc {
-} // namespace mc
-} // namespace simgrid
+XBT_DECLARE_ENUM_CLASS(MessageType, NONE, INITIAL_ADDRESSES, CONTINUE, IGNORE_HEAP, UNIGNORE_HEAP, IGNORE_MEMORY,
+ STACK_REGION, REGISTER_SYMBOL, DEADLOCK_CHECK, DEADLOCK_CHECK_REPLY, WAITING, SIMCALL_EXECUTE,
+ SIMCALL_EXECUTE_ANSWER, ASSERTION_FAILED, ACTORS_STATUS, ACTORS_STATUS_REPLY, FINALIZE,
+ FINALIZE_REPLY);
+} // namespace simgrid::mc
-#define MC_MESSAGE_LENGTH 512
+constexpr unsigned MC_MESSAGE_LENGTH = 512;
+constexpr unsigned SIMCALL_SERIALIZATION_BUFFER_SIZE = 2048;
/** Basic structure for a MC message
*
};
/* Client->Server */
+struct s_mc_message_initial_addresses_t {
+ simgrid::mc::MessageType type;
+ xbt_mheap_t mmalloc_default_mdp;
+ unsigned long* maxpid;
+};
+
struct s_mc_message_ignore_heap_t {
simgrid::mc::MessageType type;
int block;
struct s_mc_message_register_symbol_t {
simgrid::mc::MessageType type;
- char name[128];
+ std::array<char, 128> name;
int (*callback)(void*);
void* data;
};
/* Server -> client */
-struct s_mc_message_simcall_handle_t {
+struct s_mc_message_simcall_execute_t {
+ simgrid::mc::MessageType type;
+ aid_t aid_;
+ int times_considered_;
+};
+struct s_mc_message_simcall_execute_answer_t {
simgrid::mc::MessageType type;
- unsigned long pid;
- int value;
+ std::array<char, SIMCALL_SERIALIZATION_BUFFER_SIZE> buffer;
};
struct s_mc_message_restore_t {
int index;
};
-struct s_mc_message_actor_enabled_t {
+struct s_mc_message_actors_status_answer_t {
simgrid::mc::MessageType type;
- aid_t aid; // actor ID
+ int count;
+ int transition_count; // The total number of transitions sent as a payload to the checker
+};
+struct s_mc_message_actors_status_one_t { // an array of `s_mc_message_actors_status_one_t[count]` is sent right after
+ // after a `s_mc_message_actors_status_answer_t`
+ aid_t aid;
+ bool enabled;
+ int max_considered;
+
+ // The total number of transitions that are serialized and associated with this actor.
+ // Enforced to be either `0` or the same as `max_considered`
+ int n_transitions;
};
-XBT_PRIVATE const char* MC_message_type_name(simgrid::mc::MessageType type);
+// Answer from an actor to the question "what are you about to run?"
+struct s_mc_message_simcall_probe_one_t { // a series of `s_mc_message_simcall_probe_one_t`
+ // is sent right after `s_mc_message_actors_status_one_t[]`
+ std::array<char, SIMCALL_SERIALIZATION_BUFFER_SIZE> buffer;
+};
#endif // __cplusplus
#endif