#ifndef _WIN32
static void segvhandler(int signum, siginfo_t* siginfo, void* /*context*/)
{
- if (siginfo->si_signo == SIGSEGV && siginfo->si_code == SEGV_ACCERR) {
- fprintf(stderr, "Access violation detected.\n"
- "This probably comes from a programming error in your code, or from a stack\n"
- "overflow. If you are certain of your code, try increasing the stack size\n"
- " --cfg=contexts/stack-size=XXX (current size is %u KiB).\n"
- "\n"
- "If it does not help, this may have one of the following causes:\n"
- "a bug in SimGrid, a bug in the OS or a bug in a third-party libraries.\n"
- "Failing hardware can sometimes generate such errors too.\n"
- "\n"
- "If you think you've found a bug in SimGrid, please report it along with a\n"
- "Minimal Working Example (MWE) reproducing your problem and a full backtrace\n"
- "of the fault captured with gdb or valgrind.\n",
+ if ((siginfo->si_signo == SIGSEGV && siginfo->si_code == SEGV_ACCERR) || siginfo->si_signo == SIGBUS) {
+ fprintf(stderr,
+ "Access violation or Bus error detected.\n"
+ "This probably comes from a programming error in your code, or from a stack\n"
+ "overflow. If you are certain of your code, try increasing the stack size\n"
+ " --cfg=contexts/stack-size=XXX (current size is %u KiB).\n"
+ "\n"
+ "If it does not help, this may have one of the following causes:\n"
+ "a bug in SimGrid, a bug in the OS or a bug in a third-party libraries.\n"
+ "Failing hardware can sometimes generate such errors too.\n"
+ "\n"
+ "If you think you've found a bug in SimGrid, please report it along with a\n"
+ "Minimal Working Example (MWE) reproducing your problem and a full backtrace\n"
+ "of the fault captured with gdb or valgrind.\n",
smx_context_stack_size / 1024);
} else if (siginfo->si_signo == SIGSEGV) {
fprintf(stderr, "Segmentation fault.\n");
action.sa_flags = SA_ONSTACK | SA_RESETHAND | SA_SIGINFO;
sigemptyset(&action.sa_mask);
- if (sigaction(SIGSEGV, &action, &old_action) == -1) {
- XBT_WARN("Failed to register signal handler for SIGSEGV: %s", strerror(errno));
- return;
- }
- if ((old_action.sa_flags & SA_SIGINFO) || old_action.sa_handler != SIG_DFL) {
- XBT_DEBUG("A signal handler was already installed for SIGSEGV (%p). Restore it.",
- (old_action.sa_flags & SA_SIGINFO) ? (void*)old_action.sa_sigaction : (void*)old_action.sa_handler);
- sigaction(SIGSEGV, &old_action, nullptr);
+ /* Linux tend to raise only SIGSEGV where other systems also raise SIGBUS on severe error */
+ for (int sig : {SIGSEGV, SIGBUS}) {
+ if (sigaction(sig, &action, &old_action) == -1) {
+ XBT_WARN("Failed to register signal handler for signal %d: %s", sig, strerror(errno));
+ continue;
+ }
+ if ((old_action.sa_flags & SA_SIGINFO) || old_action.sa_handler != SIG_DFL) {
+ XBT_DEBUG("A signal handler was already installed for signal %d (%p). Restore it.", sig,
+ (old_action.sa_flags & SA_SIGINFO) ? (void*)old_action.sa_sigaction : (void*)old_action.sa_handler);
+ sigaction(sig, &old_action, nullptr);
+ }
}
}
#endif
/* register a function to be called by SURF after the environment creation */
sg_platf_init();
- simgrid::s4u::on_platform_created.connect(surf_presolve);
+ simgrid::s4u::Engine::on_platform_created.connect(surf_presolve);
simgrid::s4u::Storage::on_creation.connect([](simgrid::s4u::Storage const& storage) {
sg_storage_t s = simgrid::s4u::Storage::by_name(storage.get_name());
for (auto const& model : all_existing_models) {
simgrid::kernel::resource::Action* action;
- XBT_DEBUG("Handling the processes whose action failed (if any)");
+ XBT_DEBUG("Handling the failed actions (if any)");
while ((action = model->extract_failed_action())) {
XBT_DEBUG(" Handling Action %p",action);
if (action->get_activity() != nullptr)
simgrid::kernel::activity::ActivityImplPtr(action->get_activity())->post();
}
- XBT_DEBUG("Handling the processes whose action terminated normally (if any)");
+ XBT_DEBUG("Handling the terminated actions (if any)");
while ((action = model->extract_done_action())) {
XBT_DEBUG(" Handling Action %p",action);
if (action->get_activity() == nullptr)
}
}
-/** Handle any pending timer */
+/** Handle any pending timer. Returns if something was actually run. */
static bool SIMIX_execute_timers()
{
bool result = false;
* - If a process is added because it's getting killed, its subsequent actions shouldn't matter
* - If a process gets added to actors_to_run because one of their blocking action constituting the meat
* of a simcall terminates, we're still good. Proof:
- * - You are added from SIMIX_simcall_answer() only. When this function is called depends on the resource
+ * - You are added from ActorImpl::simcall_answer() only. When this function is called depends on the resource
* kind (network, cpu, disk, whatever), but the same arguments hold. Let's take communications as an
* example.
* - For communications, this function is called from SIMIX_comm_finish().
*/
for (smx_actor_t const& process : simix_global->actors_that_ran) {
- if (process->simcall.call != SIMCALL_NONE) {
- SIMIX_simcall_handle(&process->simcall, 0);
+ if (process->simcall.call_ != SIMCALL_NONE) {
+ process->simcall_handle(0);
}
}
XBT_CRITICAL("Oops! Deadlock or code not perfectly clean.");
}
SIMIX_display_process_status();
- simgrid::s4u::on_deadlock();
+ simgrid::s4u::Engine::on_deadlock();
xbt_abort();
}
- simgrid::s4u::on_simulation_end();
+ simgrid::s4u::Engine::on_simulation_end();
}
-double SIMIX_timer_next()
+double SIMIX_timer_next() // XBT_ATTRIB_DEPRECATED_v329
{
return simgrid::simix::Timer::next();
}
-smx_timer_t SIMIX_timer_set(double date, void (*callback)(void*), void *arg)
+smx_timer_t SIMIX_timer_set(double date, void (*callback)(void*), void* arg) // XBT_ATTRIB_DEPRECATED_v329
{
return simgrid::simix::Timer::set(date, std::bind(callback, arg));
}
-smx_timer_t SIMIX_timer_set(double date, simgrid::xbt::Task<void()>&& callback) // deprecated
-{
- return simgrid::simix::Timer::set(date, std::move(callback));
-}
-
/** @brief cancels a timer that was added earlier */
-void SIMIX_timer_remove(smx_timer_t timer) {
+void SIMIX_timer_remove(smx_timer_t timer) // XBT_ATTRIB_DEPRECATED_v329
+{
timer->remove();
}
/** @brief Returns the date at which the timer will trigger (or 0 if nullptr timer) */
-double SIMIX_timer_get_date(smx_timer_t timer) {
+double SIMIX_timer_get_date(smx_timer_t timer) // XBT_ATTRIB_DEPRECATED_v329
+{
return timer ? timer->get_date() : 0;
}
/* List the process and their state */
XBT_INFO("Legend of the following listing: \"Process <pid> (<name>@<host>): <status>\"");
for (auto const& kv : simix_global->process_list) {
- smx_actor_t process = kv.second;
+ smx_actor_t actor = kv.second;
- if (process->waiting_synchro) {
+ if (actor->waiting_synchro) {
const char* synchro_description = "unknown";
// we don't care about the Activity type to get its name, use RawImpl
const char* name =
boost::static_pointer_cast<simgrid::kernel::activity::ActivityImpl_T<simgrid::kernel::activity::RawImpl>>(
- process->waiting_synchro)
+ actor->waiting_synchro)
->get_cname();
- if (boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(process->waiting_synchro) != nullptr)
+ if (boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(actor->waiting_synchro) != nullptr)
synchro_description = "execution";
- if (boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(process->waiting_synchro) != nullptr)
+ if (boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(actor->waiting_synchro) != nullptr)
synchro_description = "communication";
- if (boost::dynamic_pointer_cast<simgrid::kernel::activity::SleepImpl>(process->waiting_synchro) != nullptr)
+ if (boost::dynamic_pointer_cast<simgrid::kernel::activity::SleepImpl>(actor->waiting_synchro) != nullptr)
synchro_description = "sleeping";
- if (boost::dynamic_pointer_cast<simgrid::kernel::activity::RawImpl>(process->waiting_synchro) != nullptr)
+ if (boost::dynamic_pointer_cast<simgrid::kernel::activity::RawImpl>(actor->waiting_synchro) != nullptr)
synchro_description = "synchronization";
- if (boost::dynamic_pointer_cast<simgrid::kernel::activity::IoImpl>(process->waiting_synchro) != nullptr)
+ if (boost::dynamic_pointer_cast<simgrid::kernel::activity::IoImpl>(actor->waiting_synchro) != nullptr)
synchro_description = "I/O";
- XBT_INFO("Process %ld (%s@%s): waiting for %s synchro %p (%s) in state %d to finish", process->get_pid(),
- process->get_cname(), process->get_host()->get_cname(), synchro_description,
- process->waiting_synchro.get(), name, (int)process->waiting_synchro->state_);
+ XBT_INFO("Actor %ld (%s@%s): waiting for %s activity %p (%s) in state %d to finish", actor->get_pid(),
+ actor->get_cname(), actor->get_host()->get_cname(), synchro_description, actor->waiting_synchro.get(),
+ name, (int)actor->waiting_synchro->state_);
}
else {
- XBT_INFO("Process %ld (%s@%s)", process->get_pid(), process->get_cname(), process->get_host()->get_cname());
+ XBT_INFO("Actor %ld (%s@%s)", actor->get_pid(), actor->get_cname(), actor->get_host()->get_cname());
}
}
}
