X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/15f9e0adbd11d2a0736440004a2f71ef9cfccab8..080e391e51390f2739098295d391680e05a6ca93:/src/kernel/context/ContextRaw.cpp diff --git a/src/kernel/context/ContextRaw.cpp b/src/kernel/context/ContextRaw.cpp index 622f5b48db..d8dab5ac34 100644 --- a/src/kernel/context/ContextRaw.cpp +++ b/src/kernel/context/ContextRaw.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2009-2018. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2009-2019. 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. */ @@ -189,8 +189,6 @@ namespace context { Context* RawContextFactory::create_context(std::function code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process) { - if (parallel_) - return this->new_context(std::move(code), cleanup_func, process, this); return this->new_context(std::move(code), cleanup_func, process, this); } @@ -202,23 +200,18 @@ RawContext::RawContext(std::function code, void_pfn_smxprocess_t cleanup { if (has_code()) { #if PTH_STACKGROWTH == -1 - ASAN_ONLY(this->asan_stack_ = static_cast(this->stack_) + smx_context_usable_stack_size); + ASAN_ONLY(this->asan_stack_ = static_cast(get_stack()) + smx_context_usable_stack_size); #else - ASAN_ONLY(this->asan_stack_ = this->stack_); + ASAN_ONLY(this->asan_stack_ = get_stack()); #endif - this->stack_top_ = raw_makecontext(this->stack_, smx_context_usable_stack_size, RawContext::wrapper, this); + this->stack_top_ = raw_makecontext(get_stack(), smx_context_usable_stack_size, RawContext::wrapper, this); } else { - if (process != nullptr && get_maestro() == nullptr) - set_maestro(this); - if (MC_is_active()) { - XBT_ATTRIB_UNUSED RawContext* maestro = static_cast(get_maestro()); - MC_ignore_heap(&maestro->stack_top_, sizeof(maestro->stack_top_)); - } + set_maestro(this); // save maestro for run_all() + if (MC_is_active()) + MC_ignore_heap(&stack_top_, sizeof(stack_top_)); } } -RawContext::~RawContext() = default; - void RawContext::wrapper(void* arg) { RawContext* context = static_cast(arg); @@ -241,42 +234,10 @@ void RawContext::swap_into(SwappedContext* to_) { RawContext* to = static_cast(to_); ASAN_ONLY(void* fake_stack = nullptr); - ASAN_ONLY(to->asan_ctx_ = from); - ASAN_START_SWITCH(from->asan_stop_ ? nullptr : &fake_stack, to->asan_stack_, to->asan_stack_size_); + ASAN_ONLY(to->asan_ctx_ = this); + ASAN_START_SWITCH(this->asan_stop_ ? nullptr : &fake_stack, to->asan_stack_, to->asan_stack_size_); raw_swapcontext(&this->stack_top_, to->stack_top_); - ASAN_FINISH_SWITCH(fake_stack, &from->asan_ctx_->asan_stack_, &from->asan_ctx_->asan_stack_size_); -} - -// ParallelRawContext - -void ParallelRawContext::suspend() -{ - /* determine the next context */ - boost::optional next_work = parmap_->next(); - SwappedContext* next_context; - if (next_work) { - /* there is a next process to resume */ - XBT_DEBUG("Run next process"); - next_context = static_cast(next_work.get()->context_); - } else { - /* all processes were run, go to the barrier */ - XBT_DEBUG("No more processes to run"); - next_context = workers_context_[worker_id_]; - XBT_DEBUG("Restoring worker stack %zu (working threads = %zu)", worker_id_, threads_working_.load()); - } - - Context::set_current(next_context); - this->swap_into(next_context); -} - -void ParallelRawContext::resume() -{ - worker_id_ = threads_working_.fetch_add(1, std::memory_order_relaxed); - SwappedContext* worker_context = static_cast(self()); - workers_context_[worker_id_] = worker_context; - XBT_DEBUG("Saving worker stack %zu", worker_id_); - Context::set_current(this); - worker_context->swap_into(this); + ASAN_FINISH_SWITCH(fake_stack, &this->asan_ctx_->asan_stack_, &this->asan_ctx_->asan_stack_size_); } ContextFactory* raw_factory()