+++ /dev/null
-/* libsmx.c - public interface to simix */
-/* -------- */
-/* These functions are the only ones that are visible from the higher levels */
-/* (most of them simply add some documentation to the generated simcall body) */
-/* */
-/* This is somehow the "libc" of SimGrid */
-
-/* Copyright (c) 2010-2022. 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. */
-
-#include "mc/mc.h"
-#include "src/kernel/EngineImpl.hpp"
-#include "src/kernel/activity/CommImpl.hpp"
-#include "src/kernel/activity/ConditionVariableImpl.hpp"
-#include "src/kernel/activity/MutexImpl.hpp"
-#include "src/kernel/activity/SemaphoreImpl.hpp"
-#include "src/kernel/actor/SimcallObserver.hpp"
-#include "src/mc/mc_replay.hpp"
-#include "xbt/random.hpp"
-#include <simgrid/Exception.hpp>
-#include <simgrid/s4u/Activity.hpp>
-
-#if SIMGRID_HAVE_MC
-#include "src/mc/mc_forward.hpp"
-#endif
-
-#include <boost/core/demangle.hpp>
-#include <string>
-#include <typeinfo>
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix);
-
-/**
- * @ingroup simix_comm_management
- */
-void simcall_comm_send(smx_actor_t sender, smx_mailbox_t mbox, double task_size, double rate, void* src_buff,
- size_t src_buff_size, bool (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
- void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t), void* data,
- double timeout)
-{
- /* checking for infinite values */
- xbt_assert(std::isfinite(task_size), "task_size is not finite!");
- xbt_assert(std::isfinite(rate), "rate is not finite!");
- xbt_assert(std::isfinite(timeout), "timeout is not finite!");
-
- xbt_assert(mbox, "No rendez-vous point defined for send");
-
- if (MC_is_active() || MC_record_replay_is_active()) {
- /* the model-checker wants two separate simcalls, and wants comm to be nullptr during the simcall */
- simgrid::kernel::activity::ActivityImplPtr comm = nullptr;
-
- simgrid::kernel::actor::CommIsendSimcall send_observer{
- sender, mbox, task_size, rate, static_cast<unsigned char*>(src_buff), src_buff_size, match_fun,
- nullptr, copy_data_fun, data, false};
- comm = simgrid::kernel::actor::simcall(
- [&send_observer] { return simgrid::kernel::activity::CommImpl::isend(&send_observer); }, &send_observer);
-
- simgrid::kernel::actor::ActivityWaitSimcall wait_observer{sender, comm.get(), timeout};
- if (simgrid::kernel::actor::simcall_blocking(
- [&wait_observer] {
- wait_observer.get_activity()->wait_for(wait_observer.get_issuer(), wait_observer.get_timeout());
- },
- &wait_observer)) {
- throw simgrid::TimeoutException(XBT_THROW_POINT, "Timeouted");
- }
- comm = nullptr;
- }
- else {
- simgrid::kernel::actor::CommIsendSimcall observer(sender, mbox, task_size, rate,
- static_cast<unsigned char*>(src_buff), src_buff_size, match_fun,
- nullptr, copy_data_fun, data, false);
- simgrid::kernel::actor::simcall_blocking([&observer, timeout] {
- simgrid::kernel::activity::ActivityImplPtr comm = simgrid::kernel::activity::CommImpl::isend(&observer);
- comm->wait_for(observer.get_issuer(), timeout);
- });
- }
-}
-
-/**
- * @ingroup simix_comm_management
- */
-simgrid::kernel::activity::ActivityImplPtr
-simcall_comm_isend(smx_actor_t sender, smx_mailbox_t mbox, double task_size, double rate, void* src_buff,
- size_t src_buff_size, bool (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
- void (*clean_fun)(void*), void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t),
- void* data, bool detached)
-{
- /* checking for infinite values */
- xbt_assert(std::isfinite(task_size), "task_size is not finite!");
- xbt_assert(std::isfinite(rate), "rate is not finite!");
-
- xbt_assert(mbox, "No rendez-vous point defined for isend");
-
- simgrid::kernel::actor::CommIsendSimcall observer(sender, mbox, task_size, rate,
- static_cast<unsigned char*>(src_buff), src_buff_size, match_fun,
- clean_fun, copy_data_fun, data, detached);
- return simgrid::kernel::actor::simcall([&observer] { return simgrid::kernel::activity::CommImpl::isend(&observer); });
-}
-
-/**
- * @ingroup simix_comm_management
- */
-void simcall_comm_recv(smx_actor_t receiver, smx_mailbox_t mbox, void* dst_buff, size_t* dst_buff_size,
- bool (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
- void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t), void* data,
- double timeout, double rate)
-{
- xbt_assert(std::isfinite(timeout), "timeout is not finite!");
- xbt_assert(mbox, "No rendez-vous point defined for recv");
-
- if (MC_is_active() || MC_record_replay_is_active()) {
- /* the model-checker wants two separate simcalls, and wants comm to be nullptr during the simcall */
- simgrid::kernel::activity::ActivityImplPtr comm = nullptr;
-
- simgrid::kernel::actor::CommIrecvSimcall observer{
- receiver, mbox, static_cast<unsigned char*>(dst_buff), dst_buff_size, match_fun, copy_data_fun, data, rate};
- comm = simgrid::kernel::actor::simcall(
- [&observer] { return simgrid::kernel::activity::CommImpl::irecv(&observer); }, &observer);
-
- simgrid::kernel::actor::ActivityWaitSimcall wait_observer{receiver, comm.get(), timeout};
- if (simgrid::kernel::actor::simcall_blocking(
- [&wait_observer] {
- wait_observer.get_activity()->wait_for(wait_observer.get_issuer(), wait_observer.get_timeout());
- },
- &wait_observer)) {
- throw simgrid::TimeoutException(XBT_THROW_POINT, "Timeouted");
- }
- comm = nullptr;
- }
- else {
- simgrid::kernel::actor::CommIrecvSimcall observer(receiver, mbox, static_cast<unsigned char*>(dst_buff),
- dst_buff_size, match_fun, copy_data_fun, data, rate);
- simgrid::kernel::actor::simcall_blocking([&observer, timeout] {
- simgrid::kernel::activity::ActivityImplPtr comm = simgrid::kernel::activity::CommImpl::irecv(&observer);
- comm->wait_for(observer.get_issuer(), timeout);
- });
- }
-}
-/**
- * @ingroup simix_comm_management
- */
-simgrid::kernel::activity::ActivityImplPtr
-simcall_comm_irecv(smx_actor_t receiver, smx_mailbox_t mbox, void* dst_buff, size_t* dst_buff_size,
- bool (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
- void (*copy_data_fun)(simgrid::kernel::activity::CommImpl*, void*, size_t), void* data, double rate)
-{
- xbt_assert(mbox, "No rendez-vous point defined for irecv");
-
- simgrid::kernel::actor::CommIrecvSimcall observer(receiver, mbox, static_cast<unsigned char*>(dst_buff),
- dst_buff_size, match_fun, copy_data_fun, data, rate);
- return simgrid::kernel::actor::simcall([&observer] { return simgrid::kernel::activity::CommImpl::irecv(&observer); });
-}
-
-/**
- * @ingroup simix_comm_management
- */
-ssize_t simcall_comm_waitany(simgrid::kernel::activity::CommImpl* comms[], size_t count,
- double timeout) // XBT_ATTRIB_DEPRECATED_v335
-{
- std::vector<simgrid::kernel::activity::ActivityImpl*> activities;
- for (size_t i = 0; i < count; i++)
- activities.push_back(static_cast<simgrid::kernel::activity::ActivityImpl*>(comms[i]));
- simgrid::kernel::actor::ActorImpl* issuer = simgrid::kernel::actor::ActorImpl::self();
- simgrid::kernel::actor::ActivityWaitanySimcall observer{issuer, activities, timeout};
- ssize_t changed_pos = simgrid::kernel::actor::simcall_blocking(
- [&observer] {
- simgrid::kernel::activity::ActivityImpl::wait_any_for(observer.get_issuer(), observer.get_activities(),
- observer.get_timeout());
- },
- &observer);
- if (changed_pos != -1)
- activities.at(changed_pos)->get_iface()->complete(simgrid::s4u::Activity::State::FINISHED);
- return changed_pos;
-}
-
-/**
- * @ingroup simix_comm_management
- */
-ssize_t simcall_comm_testany(simgrid::kernel::activity::CommImpl* comms[], size_t count) // XBT_ATTRIB_DEPRECATED_v335
-{
- if (count == 0)
- return -1;
- std::vector<simgrid::kernel::activity::ActivityImpl*> activities;
- for (size_t i = 0; i < count; i++)
- activities.push_back(static_cast<simgrid::kernel::activity::ActivityImpl*>(comms[i]));
-
- simgrid::kernel::actor::ActorImpl* issuer = simgrid::kernel::actor::ActorImpl::self();
- simgrid::kernel::actor::ActivityTestanySimcall observer{issuer, activities};
- ssize_t changed_pos = simgrid::kernel::actor::simcall_blocking(
- [&observer] {
- simgrid::kernel::activity::ActivityImpl::test_any(observer.get_issuer(), observer.get_activities());
- },
- &observer);
- if (changed_pos != -1)
- comms[changed_pos]->get_iface()->complete(simgrid::s4u::Activity::State::FINISHED);
- return changed_pos;
-}
-
-/**
- * @ingroup simix_comm_management
- */
-void simcall_comm_wait(simgrid::kernel::activity::ActivityImpl* comm, double timeout)
-{
- xbt_assert(std::isfinite(timeout), "timeout is not finite!");
-
- simgrid::kernel::actor::ActorImpl* issuer = simgrid::kernel::actor::ActorImpl::self();
-
- simgrid::kernel::actor::simcall_blocking([issuer, comm, timeout] { comm->wait_for(issuer, timeout); });
-}
-
-/**
- * @ingroup simix_comm_management
- *
- */
-bool simcall_comm_test(simgrid::kernel::activity::ActivityImpl* comm) // XBT_ATTRIB_DEPRECATED_v335
-{
- simgrid::kernel::actor::ActorImpl* issuer = simgrid::kernel::actor::ActorImpl::self();
- simgrid::kernel::actor::ActivityTestSimcall observer{issuer, comm};
- if (simgrid::kernel::actor::simcall_blocking([&observer] { observer.get_activity()->test(observer.get_issuer()); },
- &observer)) {
- comm->get_iface()->complete(simgrid::s4u::Activity::State::FINISHED);
- return true;
- }
- return false;
-}
-
-static void simcall(simgrid::simix::Simcall call, std::function<void()> const& code)
-{
- auto self = simgrid::kernel::actor::ActorImpl::self();
- simgrid::simix::marshal(&self->simcall_, call, &code);
- if (not simgrid::kernel::EngineImpl::get_instance()->is_maestro(self)) {
- XBT_DEBUG("Yield process '%s' on simcall %s", self->get_cname(), SIMIX_simcall_name(self->simcall_));
- self->yield();
- } else {
- self->simcall_handle(0);
- }
-}
-
-void simcall_run_kernel(std::function<void()> const& code, simgrid::kernel::actor::SimcallObserver* observer)
-{
- simgrid::kernel::actor::ActorImpl::self()->simcall_.observer_ = observer;
- // The function `code` is called in kernel mode (either because we are already in maestor or after a context switch)
- // and simcall_answer() is called
- simcall(simgrid::simix::Simcall::RUN_KERNEL, code);
- simgrid::kernel::actor::ActorImpl::self()->simcall_.observer_ = nullptr;
-}
-
-void simcall_run_blocking(std::function<void()> const& code, simgrid::kernel::actor::SimcallObserver* observer)
-{
- simgrid::kernel::actor::ActorImpl::self()->simcall_.observer_ = observer;
- // The function `code` is called in kernel mode (either because we are already in maestor or after a context switch)
- // BUT simcall_answer IS NOT CALLED
- simcall(simgrid::simix::Simcall::RUN_BLOCKING, code);
- simgrid::kernel::actor::ActorImpl::self()->simcall_.observer_ = nullptr;
-}
-
-/* ************************************************************************** */
-
-/** @brief returns a printable string representing a simcall */
-const char* SIMIX_simcall_name(const s_smx_simcall& simcall)
-{
- if (simcall.observer_ != nullptr) {
-#if SIMGRID_HAVE_MC
- if (mc_model_checker != nullptr) // Do not try to use the observer from the MCer
- return "(remotely observed)";
-#endif
-
- static std::string name;
- name = boost::core::demangle(typeid(*simcall.observer_).name());
- const char* cname = name.c_str();
- if (name.rfind("simgrid::kernel::", 0) == 0)
- cname += 17; // strip prefix "simgrid::kernel::"
- return cname;
- } else {
- return simcall_names.at(static_cast<int>(simcall.call_));
- }
-}
-
-namespace simgrid {
-namespace simix {
-
-void unblock(smx_actor_t actor)
-{
- xbt_assert(s4u::Actor::is_maestro());
- actor->simcall_answer();
-}
-} // namespace simix
-} // namespace simgrid
