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#include "vm.hpp"
#include "shared_state.hpp"
#include "config_parser.hpp"
#include "config.h"
#include "objectmemory.hpp"
#include "environment.hpp"
#include "instruments/tooling.hpp"
#include "instruments/timing.hpp"
#include "global_cache.hpp"
#include "capi/handle.hpp"
#include "util/thread.hpp"
#include "inline_cache.hpp"
#include "configuration.hpp"
#include "agent.hpp"
#include "world_state.hpp"
#ifdef ENABLE_LLVM
#include "llvm/state.hpp"
#endif
namespace rubinius {
SharedState::SharedState(Environment* env, Configuration& config, ConfigParser& cp)
: initialized_(false)
, signal_handler_(0)
, global_handles_(new capi::Handles)
, cached_handles_(new capi::Handles)
, global_serial_(0)
, world_(new WorldState)
, ic_registry_(new InlineCacheRegistry)
, class_count_(0)
, thread_ids_(0)
, agent_(0)
, root_vm_(0)
, env_(env)
, tool_broker_(new tooling::ToolBroker)
, ruby_critical_set_(false)
, om(0)
, global_cache(new GlobalCache)
, config(config)
, user_variables(cp)
, llvm_state(0)
{
ref();
for(int i = 0; i < Primitives::cTotalPrimitives; i++) {
primitive_hits_[i] = 0;
}
}
SharedState::~SharedState() {
if(!initialized_) return;
// std::cerr << "Time waiting: " << world_->time_waiting() << "\n";
#ifdef ENABLE_LLVM
if(llvm_state) {
delete llvm_state;
}
#endif
delete tool_broker_;
delete world_;
delete ic_registry_;
delete om;
delete global_cache;
delete global_handles_;
delete cached_handles_;
if(agent_) {
delete agent_;
}
}
void SharedState::add_managed_thread(ManagedThread* thr) {
SYNC(0);
threads_.push_back(thr);
}
void SharedState::remove_managed_thread(ManagedThread* thr) {
SYNC(0);
threads_.remove(thr);
}
int SharedState::size() {
return sizeof(SharedState) +
sizeof(WorldState) +
symbols.byte_size();
}
void SharedState::discard(SharedState* ss) {
if(ss->deref()) delete ss;
}
uint32_t SharedState::new_thread_id(THREAD) {
SYNC(state);
return ++thread_ids_;
}
VM* SharedState::new_vm() {
uint32_t id = new_thread_id(0);
SYNC(0);
// TODO calculate the thread id by finding holes in the
// field of ids, so we reuse ids.
VM* vm = new VM(id, *this);
threads_.push_back(vm);
this->ref();
// If there is no root vm, then the first one created becomes it.
if(!root_vm_) root_vm_ = vm;
return vm;
}
void SharedState::remove_vm(VM* vm) {
SYNC(0);
this->deref();
// Don't delete ourself here, it's too problematic.
}
void SharedState::add_global_handle(STATE, capi::Handle* handle) {
SYNC(state);
global_handles_->add(handle);
}
void SharedState::make_handle_cached(STATE, capi::Handle* handle) {
SYNC(state);
global_handles_->move(handle, cached_handles_);
}
QueryAgent* SharedState::autostart_agent(STATE) {
SYNC(state);
if(agent_) return agent_;
agent_ = new QueryAgent(*this, root_vm_);
return agent_;
}
/**
* Create the preemption thread and call scheduler_loop() in the new thread.
*/
void SharedState::enable_preemption() {
interrupts.enable_preempt = true;
}
void SharedState::pre_exec() {
SYNC(0);
if(agent_) agent_->cleanup();
}
void SharedState::reinit(STATE) {
// For now, we disable inline debugging here. This makes inspecting
// it much less confusing.
config.jit_inline_debug.set("no");
env_->state = state;
threads_.clear();
threads_.push_back(state);
world_->reinit();
if(agent_) {
agent_->on_fork();
delete agent_;
agent_ = 0;
}
}
void SharedState::ask_for_stopage() {
world_->ask_for_stopage();
}
bool SharedState::should_stop() {
return world_->should_stop();
}
void SharedState::stop_the_world(THREAD) {
world_->wait_til_alone(state);
// Verify that everyone is stopped and we're alone.
for(std::list<ManagedThread*>::iterator i = threads_.begin();
i != threads_.end();
i++) {
ManagedThread *th = *i;
switch(th->run_state()) {
case ManagedThread::eAlone:
if(th != state) {
rubinius::bug("Tried to stop but someone else is alone!");
}
break;
case ManagedThread::eRunning:
rubinius::bug("Tried to stop but threads still running!");
break;
case ManagedThread::eSuspended:
case ManagedThread::eIndependent:
// Ok, this is fine.
break;
}
}
}
void SharedState::restart_world(THREAD) {
world_->wake_all_waiters(state);
}
bool SharedState::checkpoint(THREAD) {
return world_->checkpoint(state);
}
void SharedState::gc_dependent(THREAD) {
world_->become_dependent(state);
}
void SharedState::gc_independent(THREAD) {
world_->become_independent(state);
}
void SharedState::set_critical(STATE) {
SYNC(state);
if(!ruby_critical_set_ ||
!pthread_equal(ruby_critical_thread_, pthread_self())) {
UNSYNC;
GCIndependent gc_guard(state);
ruby_critical_lock_.lock();
ruby_critical_thread_ = pthread_self();
ruby_critical_set_ = true;
}
return;
}
void SharedState::clear_critical(STATE) {
SYNC(state);
if(ruby_critical_set_ && pthread_equal(ruby_critical_thread_, pthread_self())) {
ruby_critical_set_ = false;
ruby_critical_lock_.unlock();
}
}
void SharedState::enter_capi(STATE) {
capi_lock_.lock(state);
}
void SharedState::leave_capi(STATE) {
capi_lock_.unlock(state);
}
}
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