concurrent::BackgroundTaskStorageCore Class Reference

Table of Contents

• Public Member Functions
• Detailed Description
• Member Function Documentation
• CancelAndWait()
• Detach()

#include <userver/concurrent/background_task_storage.hpp>

Public Member Functions
	BackgroundTaskStorageCore ()
	Creates an empty BTS.
	BackgroundTaskStorageCore (BackgroundTaskStorageCore &&)=delete
BackgroundTaskStorageCore &	operator= (BackgroundTaskStorageCore &&)=delete
void	CancelAndWait () noexcept
void	Detach (engine::Task &&task)
	Detaches task, allowing it to continue execution out of scope. It will be cancelled and waited for on BTS destruction.
std::int64_t	ActiveTasksApprox () const noexcept
	Approximate number of currently active tasks.

Detailed Description

A version of concurrent::BackgroundTaskStorage for advanced use cases (e.g. driver internals) that can take the ownership of any kind of task.

Definition at line 21 of file background_task_storage.hpp.

Member Function Documentation

CancelAndWait()

void concurrent::BackgroundTaskStorageCore::CancelAndWait ( )

noexcept

Explicitly cancel and wait for the tasks. New tasks must not be launched after this call returns. Should be called no more than once.

Detach()

void concurrent::BackgroundTaskStorageCore::Detach

(

engine::Task &&

task

)

Detaches task, allowing it to continue execution out of scope. It will be cancelled and waited for on BTS destruction.

Note

After detach, Task becomes invalid

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The documentation for this class was generated from the following file:

• userver/concurrent/background_task_storage.hpp