1 /* Copyright (c) 2007-2017. 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"
12 * @brief creates a new context for a user level process
13 * @param code a main function
14 * @param cleanup_func the function to call when the context stops
16 smx_context_t SIMIX_context_new(
17 std::function<void()> code,
18 void_pfn_smxprocess_t cleanup_func,
19 smx_actor_t simix_process)
21 xbt_assert(simix_global, "simix is not initialized, please call MSG_init first");
22 return simix_global->context_factory->create_context(
23 std::move(code), cleanup_func, simix_process);
30 ContextFactoryInitializer factory_initializer = nullptr;
32 ContextFactory::~ContextFactory() = default;
34 Context* ContextFactory::self()
36 return SIMIX_context_get_current();
39 void ContextFactory::declare_context(void* context, std::size_t size)
42 /* Store the address of the stack in heap to compare it apart of heap comparison */
44 MC_ignore_heap(context, size);
48 Context* ContextFactory::attach(void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
50 xbt_die("Cannot attach with this ContextFactory.\n"
51 "Try using --cfg=contexts/factory:thread instead.\n");
54 Context* ContextFactory::create_maestro(std::function<void()> code, smx_actor_t process)
56 xbt_die("Cannot create_maestro with this ContextFactory.\n"
57 "Try using --cfg=contexts/factory:thread instead.\n");
60 Context::Context(std::function<void()> code,
61 void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
62 : code_(std::move(code)), process_(process), iwannadie(false)
64 /* If the user provided a function for the process then use it.
65 Otherwise, it is the context for maestro and we should set it as the
68 this->cleanup_func_ = cleanup_func;
70 SIMIX_context_set_current(this);
73 Context::~Context() = default;
77 if (this->cleanup_func_)
78 this->cleanup_func_(this->process_);
79 this->process_->suspended = 0;
81 this->iwannadie = false;
82 simcall_process_cleanup(this->process_);
83 this->iwannadie = true;
86 AttachContext::~AttachContext() = default;
90 /** @brief Executes all the processes to run (in parallel if possible). */
91 void SIMIX_context_runall()
93 simix_global->context_factory->run_all();
96 /** @brief returns the current running context */
97 smx_context_t SIMIX_context_self()
99 if (simix_global && simix_global->context_factory)
100 return simix_global->context_factory->self();