1 /* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "src/kernel/context/Context.hpp"
9 #include "src/simix/smx_private.hpp"
11 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_context);
14 * @brief creates a new context for a user level process
15 * @param code a main function
16 * @param cleanup_func the function to call when the context stops
17 * @param simix_process
19 smx_context_t SIMIX_context_new(
20 std::function<void()> code,
21 void_pfn_smxprocess_t cleanup_func,
22 smx_actor_t simix_process)
24 xbt_assert(simix_global, "simix is not initialized, please call MSG_init first");
25 return simix_global->context_factory->create_context(
26 std::move(code), cleanup_func, simix_process);
33 ContextFactoryInitializer factory_initializer = nullptr;
35 ContextFactory::~ContextFactory() = default;
37 static thread_local smx_context_t smx_current_context = nullptr;
38 Context* Context::self()
40 return smx_current_context;
42 void Context::set_current(Context* self)
44 smx_current_context = self;
47 void Context::declare_context(std::size_t size)
50 /* Store the address of the stack in heap to compare it apart of heap comparison */
52 MC_ignore_heap(this, size);
56 Context* ContextFactory::attach(void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
58 xbt_die("Cannot attach with this ContextFactory.\n"
59 "Try using --cfg=contexts/factory:thread instead.\n");
62 Context* ContextFactory::create_maestro(std::function<void()> code, smx_actor_t process)
64 xbt_die("Cannot create_maestro with this ContextFactory.\n"
65 "Try using --cfg=contexts/factory:thread instead.\n");
68 Context::Context(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t actor)
69 : code_(std::move(code)), actor_(actor)
71 /* If the user provided a function for the process then use it.
72 Otherwise, it is the context for maestro and we should set it as the
75 this->cleanup_func_ = cleanup_func;
88 if (this->cleanup_func_)
89 this->cleanup_func_(this->actor_);
90 this->actor_->suspended_ = 0;
92 this->iwannadie = false;
93 simgrid::simix::simcall([this] { SIMIX_process_cleanup(this->actor_); });
94 this->iwannadie = true;
97 AttachContext::~AttachContext() = default;
101 /** @brief Executes all the processes to run (in parallel if possible). */
102 void SIMIX_context_runall()
104 simix_global->context_factory->run_all();