X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3a45532529b6364712789f38628be11f36d39c52..0d638e1070f68f783639288b8f0799679fad87cf:/src/simix/libsmx.cpp diff --git a/src/simix/libsmx.cpp b/src/simix/libsmx.cpp index 9b1ea6bb2a..febed111d6 100644 --- a/src/simix/libsmx.cpp +++ b/src/simix/libsmx.cpp @@ -5,83 +5,41 @@ /* */ /* This is somehow the "libc" of SimGrid */ -/* Copyright (c) 2010-2022. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2010-2023. 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. */ -#include "mc/mc.h" +#include "simgrid/config.h" +#include "simgrid/modelchecker.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 #include -#include -#include -#include +#define SIMIX_H_NO_DEPRECATED_WARNING // avoid deprecation warning on include (remove with XBT_ATTRIB_DEPRECATED_v335) +#include -XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_simcall, kernel, "transmuting from user request into kernel handlers"); -/** - * @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 simcall_comm_send(simgrid::kernel::actor::ActorImpl* sender, simgrid::kernel::activity::MailboxImpl* 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) + double timeout) // XBT_ATTRIB_DEPRECATED_v335 { - /* 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(src_buff), src_buff_size, match_fun, - nullptr, copy_data_fun, data, false}; - comm = simgrid::kernel::actor::simcall_answered( - [&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(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); - }); - } + simgrid::s4u::Comm::send(sender, mbox->get_iface(), task_size, rate, src_buff, src_buff_size, match_fun, + copy_data_fun, data, 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) // XBT_ATTRIB_DEPRECATED_v335 +simcall_comm_isend(simgrid::kernel::actor::ActorImpl* sender, simgrid::kernel::activity::MailboxImpl* 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) // XBT_ATTRIB_DEPRECATED_v335 { /* checking for infinite values */ xbt_assert(std::isfinite(task_size), "task_size is not finite!"); @@ -96,50 +54,20 @@ simcall_comm_isend(smx_actor_t sender, smx_mailbox_t mbox, double task_size, dou [&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, +void simcall_comm_recv(simgrid::kernel::actor::ActorImpl* receiver, simgrid::kernel::activity::MailboxImpl* 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) + double timeout, double rate) // XBT_ATTRIB_DEPRECATED_v335 { - 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(dst_buff), dst_buff_size, match_fun, copy_data_fun, data, rate}; - comm = simgrid::kernel::actor::simcall_answered( - [&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(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); - }); - } + simgrid::s4u::Comm::recv(receiver, mbox->get_iface(), dst_buff, dst_buff_size, match_fun, copy_data_fun, data, + timeout, rate); } -/** - * @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, +simcall_comm_irecv(simgrid::kernel::actor::ActorImpl* receiver, simgrid::kernel::activity::MailboxImpl* 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_ATTRIB_DEPRECATED_v335 @@ -152,9 +80,6 @@ simcall_comm_irecv(smx_actor_t receiver, smx_mailbox_t mbox, void* dst_buff, siz [&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 { @@ -174,9 +99,6 @@ ssize_t simcall_comm_waitany(simgrid::kernel::activity::CommImpl* comms[], size_ 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) @@ -197,9 +119,6 @@ ssize_t simcall_comm_testany(simgrid::kernel::activity::CommImpl* comms[], size_ return changed_pos; } -/** - * @ingroup simix_comm_management - */ void simcall_comm_wait(simgrid::kernel::activity::ActivityImpl* comm, double timeout) // XBT_ATTRIB_DEPRECATED_v335 { xbt_assert(std::isfinite(timeout), "timeout is not finite!"); @@ -207,10 +126,6 @@ void simcall_comm_wait(simgrid::kernel::activity::ActivityImpl* comm, double tim 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(); @@ -223,33 +138,56 @@ bool simcall_comm_test(simgrid::kernel::activity::ActivityImpl* comm) // XBT_ATT return false; } -static void simcall(simgrid::simix::Simcall call, std::function const& code) +static void simcall(simgrid::kernel::actor::Simcall::Type call, std::function const& code, + simgrid::kernel::actor::SimcallObserver* observer) { auto self = simgrid::kernel::actor::ActorImpl::self(); self->simcall_.call_ = call; self->simcall_.code_ = &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_.observer_ = observer; + if (simgrid::kernel::EngineImpl::get_instance()->is_maestro(self)) { self->simcall_handle(0); + } else { + XBT_DEBUG("Yield process '%s' on simcall %s", self->get_cname(), self->simcall_.get_cname()); + self->yield(); } + self->simcall_.observer_ = nullptr; } void simcall_run_answered(std::function 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_ANSWERED, code); - simgrid::kernel::actor::ActorImpl::self()->simcall_.observer_ = nullptr; + simcall(simgrid::kernel::actor::Simcall::Type::RUN_ANSWERED, code, observer); } void simcall_run_blocking(std::function 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; + simcall(simgrid::kernel::actor::Simcall::Type::RUN_BLOCKING, code, observer); +} + +void simcall_run_object_access(std::function const& code, simgrid::kernel::actor::ObjectAccessSimcallItem* item) +{ + auto self = simgrid::kernel::actor::ActorImpl::self(); + + // We only need a simcall if the order of the setters is important (parallel run or MC execution). + // Otherwise, just call the function with no simcall + + if (simgrid::kernel::context::Context::is_parallel() +#if SIMGRID_HAVE_MC + || MC_is_active() || MC_record_replay_is_active() +#endif + ) { + simgrid::kernel::actor::ObjectAccessSimcallObserver observer{self, item}; + simcall(simgrid::kernel::actor::Simcall::Type::RUN_ANSWERED, code, &observer); + item->take_ownership(); + } else { + // don't return from the context-switch we don't do + self->simcall_.call_ = simgrid::kernel::actor::Simcall::Type::RUN_BLOCKING; + self->simcall_.code_ = &code; + self->simcall_.observer_ = nullptr; + self->simcall_handle(0); + } }