X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4d5c6aed22b8ae1c8a73cd04d8ab800322d177bf..f45abd9a448a9196144cb2aa845cb966b741d562:/src/kernel/context/ContextRaw.cpp diff --git a/src/kernel/context/ContextRaw.cpp b/src/kernel/context/ContextRaw.cpp index 93d7d86824..31b2aafe59 100644 --- a/src/kernel/context/ContextRaw.cpp +++ b/src/kernel/context/ContextRaw.cpp @@ -206,7 +206,7 @@ Context* RawContextFactory::create_context(std::function code, void_pfn_ { if (parallel_) return this->new_context(std::move(code), cleanup_func, process); - return this->new_context(std::move(code), cleanup_func, process); + return this->new_context(std::move(code), cleanup_func, process); } void RawContextFactory::run_all() @@ -214,18 +214,15 @@ void RawContextFactory::run_all() if (parallel_) ParallelRawContext::run_all(); else - SerialRawContext::run_all(); + SwappedContext::run_all(); } // RawContext -RawContext* RawContext::maestro_context_ = nullptr; - RawContext::RawContext(std::function code, void_pfn_smxprocess_t cleanup, smx_actor_t process) - : Context(std::move(code), cleanup, process) + : SwappedContext(std::move(code), cleanup, process) { if (has_code()) { - this->stack_ = SIMIX_context_stack_new(); #if PTH_STACKGROWTH == -1 ASAN_ONLY(this->asan_stack_ = static_cast(this->stack_) + smx_context_usable_stack_size); #else @@ -233,17 +230,16 @@ RawContext::RawContext(std::function code, void_pfn_smxprocess_t cleanup #endif this->stack_top_ = raw_makecontext(this->stack_, smx_context_usable_stack_size, RawContext::wrapper, this); } else { - if (process != nullptr && maestro_context_ == nullptr) - maestro_context_ = this; - if (MC_is_active()) - MC_ignore_heap(&maestro_context_->stack_top_, sizeof(maestro_context_->stack_top_)); + 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_)); + } } } -RawContext::~RawContext() -{ - SIMIX_context_stack_delete(this->stack_); -} +RawContext::~RawContext() = default; void RawContext::wrapper(void* arg) { @@ -263,12 +259,13 @@ void RawContext::wrapper(void* arg) context->suspend(); } -inline void RawContext::swap(RawContext* from, RawContext* to) +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_); - raw_swapcontext(&from->stack_top_, to->stack_top_); + raw_swapcontext(&this->stack_top_, to->stack_top_); ASAN_FINISH_SWITCH(fake_stack, &from->asan_ctx_->asan_stack_, &from->asan_ctx_->asan_stack_size_); } @@ -278,45 +275,6 @@ void RawContext::stop() throw StopRequest(); } -// SerialRawContext - -unsigned long SerialRawContext::process_index_; /* index of the next process to run in the list of runnable processes */ - -void SerialRawContext::suspend() -{ - /* determine the next context */ - SerialRawContext* next_context; - unsigned long int i = process_index_; - process_index_++; - if (i < simix_global->process_to_run.size()) { - /* execute the next process */ - XBT_DEBUG("Run next process"); - next_context = static_cast(simix_global->process_to_run[i]->context_); - } else { - /* all processes were run, return to maestro */ - XBT_DEBUG("No more process to run"); - next_context = static_cast(RawContext::get_maestro()); - } - Context::set_current(next_context); - RawContext::swap(this, next_context); -} - -void SerialRawContext::resume() -{ - RawContext* old = static_cast(self()); - Context::set_current(this); - RawContext::swap(old, this); -} - -void SerialRawContext::run_all() -{ - if (simix_global->process_to_run.empty()) - return; - smx_actor_t first_process = simix_global->process_to_run.front(); - process_index_ = 1; - static_cast(first_process->context_)->resume(); -} - // ParallelRawContext simgrid::xbt::Parmap* ParallelRawContext::parmap_; @@ -369,7 +327,7 @@ void ParallelRawContext::suspend() } Context::set_current(next_context); - RawContext::swap(this, next_context); + this->swap_into(next_context); } void ParallelRawContext::resume() @@ -379,7 +337,7 @@ void ParallelRawContext::resume() workers_context_[worker_id_] = worker_context; XBT_DEBUG("Saving worker stack %zu", worker_id_); Context::set_current(this); - RawContext::swap(worker_context, this); + worker_context->swap_into(this); } ContextFactory* raw_factory()