-/* Copyright (c) 2021-2022. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2021-2023. 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. */
template <typename T> class ProducerConsumer;
template <typename T> using ProducerConsumerPtr = boost::intrusive_ptr<ProducerConsumer<T>>;
-XBT_PUBLIC_DATA unsigned long pc_id;
+class ProducerConsumerId {
+private:
+ static unsigned long pc_id;
+
+protected:
+ const std::string id = "ProducerConsumer" + std::to_string(pc_id);
+ ProducerConsumerId() { ++pc_id; }
+};
-template <typename T> class ProducerConsumer {
+template <typename T> class ProducerConsumer : public ProducerConsumerId {
public:
/** This ProducerConsumer plugin can use two different transfer modes:
* - TransferMode::MAILBOX: this mode induces a s4u::Comm between the actors doing the calls to put() and get().
enum class TransferMode { MAILBOX = 0, QUEUE };
private:
- std::string id;
-
/* Implementation of a Monitor to handle the data exchanges */
s4u::MutexPtr mutex_;
s4u::ConditionVariablePtr can_put_;
{
xbt_assert(max_queue_size > 0, "Max queue size of 0 is not allowed");
- id = std::string("ProducerConsumer") + std::to_string(pc_id);
- pc_id++;
-
mutex_ = s4u::Mutex::create();
can_put_ = s4u::ConditionVariable::create();
can_get_ = s4u::ConditionVariable::create();
*/
ProducerConsumer* set_max_queue_size(unsigned int max_queue_size)
{
- std::unique_lock<s4u::Mutex> lock(*mutex_);
+ const std::lock_guard<s4u::Mutex> lock(*mutex_);
max_queue_size_ = max_queue_size;
return this;
}
T* get()
{
T* data;
- s4u::CommPtr comm = get_async(&data);
- if (comm) {
+ if (s4u::CommPtr comm = get_async(&data)) {
XBT_CDEBUG(producer_consumer, "Waiting for the data to arrive");
comm->wait();
}