-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2019. 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/s4u/Host.hpp"
+#include "src/kernel/activity/CommImpl.hpp"
#include "src/kernel/context/Context.hpp"
-#include "src/simix/smx_private.h"
-#include "src/mc/mc_ignore.h"
+#include "src/simix/smx_private.hpp"
+#include "src/surf/surf_interface.hpp"
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_context);
/**
* @brief creates a new context for a user level process
* @param code a main function
* @param cleanup_func the function to call when the context stops
+ * @param simix_process
*/
smx_context_t SIMIX_context_new(
std::function<void()> code,
void_pfn_smxprocess_t cleanup_func,
smx_actor_t simix_process)
{
- xbt_assert(simix_global, "simix is not initialized, please call MSG_init first");
return simix_global->context_factory->create_context(
std::move(code), cleanup_func, simix_process);
}
ContextFactory::~ContextFactory() = default;
-Context* ContextFactory::self()
+static thread_local smx_context_t smx_current_context = nullptr;
+Context* Context::self()
{
- return SIMIX_context_get_current();
+ return smx_current_context;
+}
+void Context::set_current(Context* self)
+{
+ smx_current_context = self;
}
-void ContextFactory::declare_context(void* context, std::size_t size)
+void Context::declare_context(std::size_t size)
{
#if SIMGRID_HAVE_MC
/* Store the address of the stack in heap to compare it apart of heap comparison */
if(MC_is_active())
- MC_ignore_heap(context, size);
+ MC_ignore_heap(this, size);
#endif
}
-Context* ContextFactory::attach(void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
+Context* ContextFactory::attach(void_pfn_smxprocess_t, smx_actor_t)
{
xbt_die("Cannot attach with this ContextFactory.\n"
"Try using --cfg=contexts/factory:thread instead.\n");
}
-Context* ContextFactory::create_maestro(std::function<void()> code, smx_actor_t process)
+Context* ContextFactory::create_maestro(std::function<void()>, smx_actor_t)
{
xbt_die("Cannot create_maestro with this ContextFactory.\n"
"Try using --cfg=contexts/factory:thread instead.\n");
}
-Context::Context(std::function<void()> code,
- void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
- : code_(std::move(code)), process_(process), iwannadie(false)
+Context::Context(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t actor)
+ : code_(std::move(code)), cleanup_func_(cleanup_func), actor_(actor)
{
- /* If the user provided a function for the process then use it.
- Otherwise, it is the context for maestro and we should set it as the
- current context */
- if (has_code())
- this->cleanup_func_ = cleanup_func;
- else
- SIMIX_context_set_current(this);
+ /* If no function was provided, this is the context for maestro
+ * and we should set it as the current context */
+ if (not has_code())
+ set_current(this);
}
-Context::~Context() = default;
+Context::~Context()
+{
+ if (self() == this)
+ set_current(nullptr);
+}
void Context::stop()
{
+ actor_->finished_ = true;
+
+ if (actor_->auto_restart_ && actor_->host_->is_off()) {
+ XBT_DEBUG("Insert host %s to watched_hosts because it's off and %s needs to restart", actor_->host_->get_cname(),
+ actor_->get_cname());
+ watched_hosts.insert(actor_->host_->get_cname());
+ }
+
+ // Execute the termination callbacks
+ smx_process_exit_status_t exit_status = (actor_->context_->iwannadie) ? SMX_EXIT_FAILURE : SMX_EXIT_SUCCESS;
+ while (not actor_->on_exit.empty()) {
+ s_smx_process_exit_fun_t exit_fun = actor_->on_exit.back();
+ actor_->on_exit.pop_back();
+ (exit_fun.fun)(exit_status, exit_fun.arg);
+ }
+
+ /* cancel non-blocking activities */
+ for (auto activity : actor_->comms)
+ boost::static_pointer_cast<activity::CommImpl>(activity)->cancel();
+ actor_->comms.clear();
+
+ XBT_DEBUG("%s@%s(%ld) should not run anymore", actor_->get_cname(), actor_->iface()->get_host()->get_cname(),
+ actor_->pid_);
+
if (this->cleanup_func_)
- this->cleanup_func_(this->process_);
- this->process_->suspended = 0;
+ this->cleanup_func_(this->actor_);
- this->iwannadie = false;
- simcall_process_cleanup(this->process_);
+ this->iwannadie = false; // don't let the simcall's yield() do a Context::stop(), because that's me
+ simgrid::simix::simcall([this] {
+ simgrid::s4u::Actor::on_destruction(actor_->iface());
+
+ /* Unregister from the kill timer if any */
+ if (actor_->kill_timer != nullptr) {
+ SIMIX_timer_remove(actor_->kill_timer);
+ actor_->kill_timer = nullptr;
+ }
+
+ SIMIX_process_cleanup(actor_);
+ });
this->iwannadie = true;
}
AttachContext::~AttachContext() = default;
-}}}
+StopRequest::~StopRequest() = default;
-/** @brief Executes all the processes to run (in parallel if possible). */
-void SIMIX_context_runall()
+void StopRequest::do_throw()
{
- simix_global->context_factory->run_all();
+ throw StopRequest();
}
-/** @brief returns the current running context */
-smx_context_t SIMIX_context_self()
+bool StopRequest::try_n_catch(std::function<void(void)> try_block)
{
- if (simix_global && simix_global->context_factory)
- return simix_global->context_factory->self();
- else
- return nullptr;
+ bool res;
+ try {
+ try_block();
+ res = true;
+ } catch (StopRequest const&) {
+ XBT_DEBUG("Caught a StopRequest");
+ res = false;
+ }
+ return res;
}
+}}}
+/** @brief Executes all the processes to run (in parallel if possible). */
+void SIMIX_context_runall()
+{
+ simix_global->context_factory->run_all();
+}
