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.h"
10 #include "src/mc/mc_ignore.h"
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
18 smx_context_t SIMIX_context_new(
19 std::function<void()> code,
20 void_pfn_smxprocess_t cleanup_func,
21 smx_actor_t simix_process)
23 xbt_assert(simix_global, "simix is not initialized, please call MSG_init first");
24 return simix_global->context_factory->create_context(
25 std::move(code), cleanup_func, simix_process);
32 ContextFactoryInitializer factory_initializer = nullptr;
34 ContextFactory::~ContextFactory() = default;
36 Context* ContextFactory::self()
38 return SIMIX_context_get_current();
41 void ContextFactory::declare_context(void* context, std::size_t size)
44 /* Store the address of the stack in heap to compare it apart of heap comparison */
46 MC_ignore_heap(context, size);
50 Context* ContextFactory::attach(void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
52 xbt_die("Cannot attach with this ContextFactory.\n"
53 "Try using --cfg=contexts/factory:thread instead.\n");
56 Context* ContextFactory::create_maestro(std::function<void()> code, smx_actor_t process)
58 xbt_die("Cannot create_maestro with this ContextFactory.\n"
59 "Try using --cfg=contexts/factory:thread instead.\n");
62 Context::Context(std::function<void()> code,
63 void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
64 : code_(std::move(code)), process_(process), iwannadie(false)
66 /* If the user provided a function for the process then use it.
67 Otherwise, it is the context for maestro and we should set it as the
70 this->cleanup_func_ = cleanup_func;
72 SIMIX_context_set_current(this);
75 Context::~Context() = default;
79 if (this->cleanup_func_)
80 this->cleanup_func_(this->process_);
81 this->process_->suspended = 0;
83 this->iwannadie = false;
84 simcall_process_cleanup(this->process_);
85 this->iwannadie = true;
88 AttachContext::~AttachContext() = default;
92 /** @brief Executes all the processes to run (in parallel if possible). */
93 void SIMIX_context_runall()
95 simix_global->context_factory->run_all();
98 /** @brief returns the current running context */
99 smx_context_t SIMIX_context_self()
101 if (simix_global && simix_global->context_factory)
102 return simix_global->context_factory->self();