-namespace simgrid {
-namespace kernel {
-namespace context {
-
-// UContextFactory
-
-UContextFactory::UContextFactory() : ContextFactory("UContextFactory"), parallel_(SIMIX_context_is_parallel())
-{
- UContext::set_maestro(nullptr);
- if (parallel_)
- ParallelUContext::initialize();
-}
-
-UContextFactory::~UContextFactory()
-{
- if (parallel_)
- ParallelUContext::finalize();
-}
-
-Context* UContextFactory::create_context(std::function<void()> code, void_pfn_smxprocess_t cleanup, smx_actor_t process)
-{
- if (parallel_)
- return new_context<ParallelUContext>(std::move(code), cleanup, process);
- else
- return new_context<UContext>(std::move(code), cleanup, process);
-}
-
-/* This function is called by maestro at the beginning of a scheduling round to get all working threads executing some
- * stuff It is much easier to understand what happens if you see the working threads as bodies that swap their soul for
- * the ones of the simulated processes that must run.
- */
-void UContextFactory::run_all()
-{
- if (parallel_)
- ParallelUContext::run_all();
- else
- SwappedContext::run_all();
-}
-
-// UContext
-
-UContext::UContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
- : SwappedContext(std::move(code), cleanup_func, process)
-{
- /* if the user provided a function for the process then use it, otherwise it is the context for maestro */
- if (has_code()) {
- this->stack_ = SIMIX_context_stack_new();
- getcontext(&this->uc_);
- this->uc_.uc_link = nullptr;
- this->uc_.uc_stack.ss_sp = sg_makecontext_stack_addr(this->stack_);
- this->uc_.uc_stack.ss_size = sg_makecontext_stack_size(smx_context_usable_stack_size);
-#if PTH_STACKGROWTH == -1
- ASAN_ONLY(this->asan_stack_ = static_cast<char*>(this->stack_) + smx_context_usable_stack_size);
-#else
- ASAN_ONLY(this->asan_stack_ = this->stack_);
-#endif
- UContext::make_ctx(&this->uc_, UContext::smx_ctx_sysv_wrapper, this);
- } else {
- if (process != nullptr && get_maestro() == nullptr)
- set_maestro(this);
- }
-
-#if SIMGRID_HAVE_MC
- if (MC_is_active() && has_code()) {
- MC_register_stack_area(this->stack_, process, &(this->uc_), smx_context_usable_stack_size);
- }
-#endif
-}
-
-UContext::~UContext()
-{
- SIMIX_context_stack_delete(this->stack_);