BoostContext::setMaestro(nullptr);
if (parallel_) {
#if HAVE_THREAD_CONTEXTS
- ParallelBoostContext::parmap_ = nullptr;
- ParallelBoostContext::workers_context_.clear();
- ParallelBoostContext::workers_context_.resize(SIMIX_context_get_nthreads(), nullptr);
- xbt_os_thread_key_create(&ParallelBoostContext::worker_id_key_);
+ ParallelBoostContext::initialize();
#else
xbt_die("No thread support for parallel context execution");
#endif
BoostContextFactory::~BoostContextFactory()
{
#if HAVE_THREAD_CONTEXTS
- delete ParallelBoostContext::parmap_;
- ParallelBoostContext::parmap_ = nullptr;
- ParallelBoostContext::workers_context_.clear();
+ if (parallel_)
+ ParallelBoostContext::finalize();
#endif
}
void BoostContextFactory::run_all()
{
#if HAVE_THREAD_CONTEXTS
- if (parallel_) {
- ParallelBoostContext::threads_working_ = 0;
- if (not ParallelBoostContext::parmap_)
- ParallelBoostContext::parmap_ =
- new simgrid::xbt::Parmap<smx_actor_t>(SIMIX_context_get_nthreads(), SIMIX_context_get_parallel_mode());
- ParallelBoostContext::parmap_->apply(
- [](smx_actor_t process) {
- BoostContext* context = static_cast<BoostContext*>(process->context);
- return context->resume();
- },
- simix_global->process_to_run);
- return;
- }
+ if (parallel_)
+ ParallelBoostContext::run_all();
+ else
#endif
-
- if (simix_global->process_to_run.empty())
- return;
- smx_actor_t first_process = simix_global->process_to_run.front();
- SerialBoostContext::process_index_ = 1;
- /* execute the first process */
- static_cast<BoostContext*>(first_process->context)->resume();
+ SerialBoostContext::run_all();
}
-
// BoostContext
BoostContext* BoostContext::maestro_context_ = nullptr;
BoostContext::swap(BoostContext::getMaestro(), this);
}
+void SerialBoostContext::run_all()
+{
+ if (simix_global->process_to_run.empty())
+ return;
+ smx_actor_t first_process = simix_global->process_to_run.front();
+ process_index_ = 1;
+ /* execute the first process */
+ static_cast<SerialBoostContext*>(first_process->context)->resume();
+}
+
// ParallelBoostContext
#if HAVE_THREAD_CONTEXTS
-simgrid::xbt::Parmap<smx_actor_t>* ParallelBoostContext::parmap_ = nullptr;
-uintptr_t ParallelBoostContext::threads_working_ = 0;
+simgrid::xbt::Parmap<smx_actor_t>* ParallelBoostContext::parmap_;
+uintptr_t ParallelBoostContext::threads_working_;
xbt_os_thread_key_t ParallelBoostContext::worker_id_key_;
-std::vector<BoostContext*> ParallelBoostContext::workers_context_;
+std::vector<ParallelBoostContext*> ParallelBoostContext::workers_context_;
+
+void ParallelBoostContext::initialize()
+{
+ parmap_ = nullptr;
+ workers_context_.clear();
+ workers_context_.resize(SIMIX_context_get_nthreads(), nullptr);
+ xbt_os_thread_key_create(&worker_id_key_);
+}
+
+void ParallelBoostContext::finalize()
+{
+ delete parmap_;
+ parmap_ = nullptr;
+ workers_context_.clear();
+}
+
+void ParallelBoostContext::run_all()
+{
+ threads_working_ = 0;
+ if (not parmap_)
+ parmap_ = new simgrid::xbt::Parmap<smx_actor_t>(SIMIX_context_get_nthreads(), SIMIX_context_get_parallel_mode());
+ parmap_->apply(
+ [](smx_actor_t process) {
+ ParallelBoostContext* context = static_cast<ParallelBoostContext*>(process->context);
+ return context->resume();
+ },
+ simix_global->process_to_run);
+}
void ParallelBoostContext::suspend()
{
} else {
XBT_DEBUG("No more processes to run");
uintptr_t worker_id = reinterpret_cast<uintptr_t>(xbt_os_thread_get_specific(worker_id_key_));
- next_context = static_cast<ParallelBoostContext*>(workers_context_[worker_id]);
+ next_context = workers_context_[worker_id];
}
- SIMIX_context_set_current(static_cast<smx_context_t>(next_context));
+ SIMIX_context_set_current(next_context);
BoostContext::swap(this, next_context);
}
namespace kernel {
namespace context {
-class BoostContext;
-class SerialBoostContext;
-class ParallelBoostContext;
-class BoostContextFactory;
-
/** @brief Userspace context switching implementation based on Boost.Context */
class BoostContext : public Context {
public:
};
class SerialBoostContext : public BoostContext {
- friend BoostContextFactory;
-
public:
SerialBoostContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
: BoostContext(std::move(code), cleanup_func, process)
void suspend() override;
void resume() override;
+ static void run_all();
+
private:
static unsigned long process_index_;
};
#if HAVE_THREAD_CONTEXTS
class ParallelBoostContext : public BoostContext {
- friend BoostContextFactory;
-
public:
ParallelBoostContext(std::function<void()> code, void_pfn_smxprocess_t cleanup_func, smx_actor_t process)
: BoostContext(std::move(code), cleanup_func, process)
void suspend() override;
void resume() override;
+ static void initialize();
+ static void finalize();
+ static void run_all();
+
private:
static simgrid::xbt::Parmap<smx_actor_t>* parmap_;
- static std::vector<BoostContext*> workers_context_;
+ static std::vector<ParallelBoostContext*> workers_context_;
static uintptr_t threads_working_;
static xbt_os_thread_key_t worker_id_key_;
};