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Resolves a potential deadlock on multi machine handover.

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This commit is contained in:
Thomas Harte 2019-02-27 22:39:33 -05:00
parent b81e59fd8f
commit b0503efa3d
4 changed files with 7 additions and 7 deletions
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6
Analyser/Dynamic/MultiMachine/Implementation/MultiCRTMachine.cpp
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@ -13,7 +13,7 @@
using namespace Analyser::Dynamic;
MultiCRTMachine::MultiCRTMachine(const std::vector<std::unique_ptr<::Machine::DynamicMachine>> &machines, std::mutex &machines_mutex) :
MultiCRTMachine::MultiCRTMachine(const std::vector<std::unique_ptr<::Machine::DynamicMachine>> &machines, std::recursive_mutex &machines_mutex) :
machines_(machines), machines_mutex_(machines_mutex), queues_(machines.size()) {
speaker_ = MultiSpeaker::create(machines);
}
@ -25,7 +25,7 @@ void MultiCRTMachine::perform_parallel(const std::function<void(::CRTMachine::Ma
std::condition_variable condition;
std::mutex mutex;
{
std::lock_guard<std::mutex> machines_lock(machines_mutex_);
std::lock_guard<decltype(machines_mutex_)> machines_lock(machines_mutex_);
std::lock_guard<std::mutex> lock(mutex);
outstanding_machines = machines_.size();
@ -46,7 +46,7 @@ void MultiCRTMachine::perform_parallel(const std::function<void(::CRTMachine::Ma
}
void MultiCRTMachine::perform_serial(const std::function<void (::CRTMachine::Machine *)> &function) {
std::lock_guard<std::mutex> machines_lock(machines_mutex_);
std::lock_guard<decltype(machines_mutex_)> machines_lock(machines_mutex_);
for(const auto &machine: machines_) {
CRTMachine::Machine *const crt_machine = machine->crt_machine();
if(crt_machine) function(crt_machine);

4
Analyser/Dynamic/MultiMachine/Implementation/MultiCRTMachine.hpp
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@ -31,7 +31,7 @@ namespace Dynamic {
*/
class MultiCRTMachine: public CRTMachine::Machine {
public:
MultiCRTMachine(const std::vector<std::unique_ptr<::Machine::DynamicMachine>> &machines, std::mutex &machines_mutex);
MultiCRTMachine(const std::vector<std::unique_ptr<::Machine::DynamicMachine>> &machines, std::recursive_mutex &machines_mutex);
/*!
Informs the MultiCRTMachine that the order of machines has changed; the MultiCRTMachine
@ -60,7 +60,7 @@ class MultiCRTMachine: public CRTMachine::Machine {
private:
void run_for(const Cycles cycles) override {}
const std::vector<std::unique_ptr<::Machine::DynamicMachine>> &machines_;
std::mutex &machines_mutex_;
std::recursive_mutex &machines_mutex_;
std::vector<Concurrency::AsyncTaskQueue> queues_;
MultiSpeaker *speaker_ = nullptr;
Delegate *delegate_ = nullptr;

2
Analyser/Dynamic/MultiMachine/MultiMachine.cpp
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@ -73,7 +73,7 @@ bool MultiMachine::would_collapse(const std::vector<std::unique_ptr<DynamicMachi
}
void MultiMachine::multi_crt_did_run_machines() {
std::lock_guard<std::mutex> machines_lock(machines_mutex_);
std::lock_guard<decltype(machines_mutex_)> machines_lock(machines_mutex_);
#ifdef DEBUG
for(const auto &machine: machines_) {
CRTMachine::Machine *crt = machine->crt_machine();

2
Analyser/Dynamic/MultiMachine/MultiMachine.hpp
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@ -62,7 +62,7 @@ class MultiMachine: public ::Machine::DynamicMachine, public MultiCRTMachine::De
void multi_crt_did_run_machines() override;
std::vector<std::unique_ptr<DynamicMachine>> machines_;
std::mutex machines_mutex_;
std::recursive_mutex machines_mutex_;
MultiConfigurable configurable_;
MultiCRTMachine crt_machine_;