-/* Copyright (c) 2008-2015. The SimGrid Team.
+/* Copyright (c) 2008-2017. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include <memory>
#include <system_error>
-#include <xbt/log.h>
-#include <xbt/automaton.h>
-#include <xbt/automaton.hpp>
-#include <xbt/system_error.hpp>
+#include "xbt/automaton.h"
+#include "xbt/automaton.hpp"
+#include "xbt/log.h"
+#include "xbt/system_error.hpp"
#include "simgrid/sg_config.h"
#include "src/mc/PageStore.hpp"
#include "src/mc/Transition.hpp"
#include "src/mc/checker/Checker.hpp"
-#include "src/mc/mc_exit.h"
-#include "src/mc/mc_ignore.h"
-#include "src/mc/mc_private.h"
-#include "src/mc/mc_record.h"
+#include "src/mc/mc_exit.hpp"
+#include "src/mc/mc_private.hpp"
+#include "src/mc/mc_record.hpp"
#include "src/mc/remote/mc_protocol.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_ModelChecker, mc, "ModelChecker");
::simgrid::mc::ModelChecker* mc_model_checker = nullptr;
+extern std::string _sg_mc_dot_output_file;
using simgrid::mc::remote;
namespace simgrid {
namespace mc {
-ModelChecker::ModelChecker(std::unique_ptr<Process> process) :
- base_(nullptr),
- socket_event_(nullptr),
- signal_event_(nullptr),
- page_store_(500),
- process_(std::move(process)),
- parent_snapshot_(nullptr)
+ModelChecker::ModelChecker(std::unique_ptr<RemoteClient> process)
+ : base_(nullptr)
+ , socket_event_(nullptr)
+ , signal_event_(nullptr)
+ , page_store_(500)
+ , process_(std::move(process))
+ , parent_snapshot_(nullptr)
{
}
// The model-checked process SIGSTOP itself to signal it's ready:
pid_t res = waitpid(pid, &status, WAITPID_CHECKED_FLAGS);
- if (res < 0 || !WIFSTOPPED(status) || WSTOPSIG(status) != SIGSTOP)
+ if (res < 0 || not WIFSTOPPED(status) || WSTOPSIG(status) != SIGSTOP)
xbt_die("Could not wait model-checked process");
process_->init();
- if ((_sg_mc_dot_output_file != nullptr) && (_sg_mc_dot_output_file[0] != '\0'))
+ if (not _sg_mc_dot_output_file.empty())
MC_init_dot_output();
setup_ignore();
void ModelChecker::setup_ignore()
{
- Process& process = this->process();
+ RemoteClient& process = this->process();
for (std::pair<const char*, const char*> const& var :
ignored_local_variables)
process.ignore_local_variable(var.first, var.second);
{
XBT_DEBUG("Shuting down model-checker");
- simgrid::mc::Process* process = &this->process();
+ simgrid::mc::RemoteClient* process = &this->process();
if (process->running()) {
XBT_DEBUG("Killing process");
- kill(process->pid(), SIGTERM);
+ kill(process->pid(), SIGKILL);
process->terminate();
}
}
-void ModelChecker::resume(simgrid::mc::Process& process)
+void ModelChecker::resume(simgrid::mc::RemoteClient& process)
{
int res = process.getChannel().send(MC_MESSAGE_CONTINUE);
if (res)
XBT_INFO("No core dump was generated by the system.");
XBT_INFO("Counter-example execution trace:");
simgrid::mc::dumpRecordPath();
- for (auto& s : mc_model_checker->getChecker()->getTextualTrace())
+ for (auto const& s : mc_model_checker->getChecker()->getTextualTrace())
XBT_INFO("%s", s.c_str());
simgrid::mc::session->logState();
XBT_INFO("Stack trace:");
mc_model_checker->process().dumpStack();
}
-static void MC_report_assertion_error(void)
+static void MC_report_assertion_error()
{
XBT_INFO("**************************");
XBT_INFO("*** PROPERTY NOT VALID ***");
XBT_INFO("**************************");
XBT_INFO("Counter-example execution trace:");
simgrid::mc::dumpRecordPath();
- for (auto& s : mc_model_checker->getChecker()->getTextualTrace())
+ for (auto const& s : mc_model_checker->getChecker()->getTextualTrace())
XBT_INFO("%s", s.c_str());
simgrid::mc::session->logState();
}
case MC_MESSAGE_IGNORE_HEAP:
{
- s_mc_ignore_heap_message_t message;
- if (size != sizeof(message))
- xbt_die("Broken messsage");
- memcpy(&message, buffer, sizeof(message));
-
- IgnoredHeapRegion region;
- region.block = message.block;
- region.fragment = message.fragment;
- region.address = message.address;
- region.size = message.size;
- process().ignore_heap(region);
- break;
+ s_mc_message_ignore_heap_t message;
+ if (size != sizeof(message))
+ xbt_die("Broken messsage");
+ memcpy(&message, buffer, sizeof(message));
+
+ IgnoredHeapRegion region;
+ region.block = message.block;
+ region.fragment = message.fragment;
+ region.address = message.address;
+ region.size = message.size;
+ process().ignore_heap(region);
+ break;
}
case MC_MESSAGE_UNIGNORE_HEAP:
{
- s_mc_ignore_memory_message_t message;
- if (size != sizeof(message))
- xbt_die("Broken messsage");
- memcpy(&message, buffer, sizeof(message));
- process().unignore_heap(
- (void *)(std::uintptr_t) message.addr, message.size);
- break;
+ s_mc_message_ignore_memory_t message;
+ if (size != sizeof(message))
+ xbt_die("Broken messsage");
+ memcpy(&message, buffer, sizeof(message));
+ process().unignore_heap((void*)(std::uintptr_t)message.addr, message.size);
+ break;
}
case MC_MESSAGE_IGNORE_MEMORY:
{
- s_mc_ignore_memory_message_t message;
- if (size != sizeof(message))
- xbt_die("Broken messsage");
- memcpy(&message, buffer, sizeof(message));
- this->process().ignore_region(message.addr, message.size);
- break;
+ s_mc_message_ignore_memory_t message;
+ if (size != sizeof(message))
+ xbt_die("Broken messsage");
+ memcpy(&message, buffer, sizeof(message));
+ this->process().ignore_region(message.addr, message.size);
+ break;
}
case MC_MESSAGE_STACK_REGION:
{
- s_mc_stack_region_message_t message;
- if (size != sizeof(message))
- xbt_die("Broken messsage");
- memcpy(&message, buffer, sizeof(message));
- this->process().stack_areas().push_back(message.stack_region);
+ s_mc_message_stack_region_t message;
+ if (size != sizeof(message))
+ xbt_die("Broken messsage");
+ memcpy(&message, buffer, sizeof(message));
+ this->process().stack_areas().push_back(message.stack_region);
}
break;
case MC_MESSAGE_REGISTER_SYMBOL:
{
- s_mc_register_symbol_message_t message;
- if (size != sizeof(message))
- xbt_die("Broken message");
- memcpy(&message, buffer, sizeof(message));
- if (message.callback)
- xbt_die("Support for client-side function proposition is not implemented.");
- XBT_DEBUG("Received symbol: %s", message.name);
-
- if (simgrid::mc::property_automaton == nullptr)
- simgrid::mc::property_automaton = xbt_automaton_new();
-
- simgrid::mc::Process* process = &this->process();
- simgrid::mc::RemotePtr<int> address
- = simgrid::mc::remote((int*) message.data);
- simgrid::xbt::add_proposition(simgrid::mc::property_automaton,
- message.name,
- [process, address]() { return process->read(address); }
- );
-
- break;
+ s_mc_message_register_symbol_t message;
+ if (size != sizeof(message))
+ xbt_die("Broken message");
+ memcpy(&message, buffer, sizeof(message));
+ if (message.callback)
+ xbt_die("Support for client-side function proposition is not implemented.");
+ XBT_DEBUG("Received symbol: %s", message.name);
+
+ if (simgrid::mc::property_automaton == nullptr)
+ simgrid::mc::property_automaton = xbt_automaton_new();
+
+ simgrid::mc::RemoteClient* process = &this->process();
+ simgrid::mc::RemotePtr<int> address = simgrid::mc::remote((int*)message.data);
+ simgrid::xbt::add_proposition(simgrid::mc::property_automaton, message.name,
+ [process, address]() { return process->read(address); });
+
+ break;
}
case MC_MESSAGE_WAITING:
ssize_t size = process_->getChannel().receive(buffer, sizeof(buffer), false);
if (size == -1 && errno != EAGAIN)
throw simgrid::xbt::errno_error();
- if (!handle_message(buffer, size)) {
+ if (not handle_message(buffer, size)) {
event_base_loopbreak(base_);
}
}
void ModelChecker::on_signal(int signo)
{
- switch(signo) {
- case SIGCHLD:
+ if (signo == SIGCHLD)
this->handle_waitpid();
- break;
- default:
- break;
- }
}
-void ModelChecker::wait_client(simgrid::mc::Process& process)
+void ModelChecker::wait_for_requests()
{
- this->resume(process);
+ this->resume(process());
if (this->process().running())
event_base_dispatch(base_);
}
void ModelChecker::handle_simcall(Transition const& transition)
{
- s_mc_simcall_handle_message m;
+ s_mc_message_simcall_handle_t m;
memset(&m, 0, sizeof(m));
m.type = MC_MESSAGE_SIMCALL_HANDLE;
m.pid = transition.pid;
int res;
if ((res = this->process().getChannel().send(MC_MESSAGE_DEADLOCK_CHECK)))
xbt_die("Could not check deadlock state");
- s_mc_int_message_t message;
+ s_mc_message_int_t message;
ssize_t s = mc_model_checker->process().getChannel().receive(message);
if (s == -1)
xbt_die("Could not receive message");
