ROOT::Internal::RIoUring Class Reference

Definition at line 24 of file RIoUring.hxx.

Classes
struct	RReadEvent
	Basic read event composed of IO data and a target file descriptor. More...

Public Member Functions
	RIoUring ()
	RIoUring (const RIoUring &)=delete
	RIoUring (std::uint32_t entriesHint)
	~RIoUring ()
std::uint32_t	GetQueueDepth ()
struct io_uring *	GetRawRing ()
	Access the raw io_uring instance.
RIoUring &	operator= (const RIoUring &)=delete
void	SubmitReadsAndWait (RReadEvent *readEvents, unsigned int nReads)
	Submit a number of read events and wait for completion.

Static Public Member Functions
static bool	IsAvailable ()
	Check if io_uring is available on this system.

Static Private Member Functions
static bool	CheckIsAvailable ()

Private Attributes
std::uint32_t	fDepth = 0
struct io_uring	fRing

#include <ROOT/RIoUring.hxx>

Constructor & Destructor Documentation

RIoUring() [1/3]

ROOT::Internal::RIoUring::RIoUring ( )

inline

Definition at line 44 of file RIoUring.hxx.

RIoUring() [2/3]

ROOT::Internal::RIoUring::RIoUring ( std::uint32_t  entriesHint )

inlineexplicit

Definition at line 67 of file RIoUring.hxx.

RIoUring() [3/3]

ROOT::Internal::RIoUring::RIoUring ( const RIoUring &  )

delete

~RIoUring()

ROOT::Internal::RIoUring::~RIoUring ( )

inline

Definition at line 79 of file RIoUring.hxx.

Member Function Documentation

CheckIsAvailable()

static bool ROOT::Internal::RIoUring::CheckIsAvailable ( )

inlinestaticprivate

Definition at line 29 of file RIoUring.hxx.

GetQueueDepth()

std::uint32_t ROOT::Internal::RIoUring::GetQueueDepth ( )

inline

Definition at line 90 of file RIoUring.hxx.

GetRawRing()

struct io_uring * ROOT::Internal::RIoUring::GetRawRing ( )

inline

Access the raw io_uring instance.

Definition at line 95 of file RIoUring.hxx.

IsAvailable()

static bool ROOT::Internal::RIoUring::IsAvailable ( )

inlinestatic

Check if io_uring is available on this system.

Definition at line 85 of file RIoUring.hxx.

operator=()

RIoUring & ROOT::Internal::RIoUring::operator= ( const RIoUring &  )

delete

SubmitReadsAndWait()

void ROOT::Internal::RIoUring::SubmitReadsAndWait ( RReadEvent *  readEvents, unsigned int  nReads  )

inline

Submit a number of read events and wait for completion.

Events are submitted in batches if the number of events is larger than the submission queue depth.

Definition at line 115 of file RIoUring.hxx.

Member Data Documentation

fDepth

std::uint32_t ROOT::Internal::RIoUring::fDepth = 0

private

Definition at line 27 of file RIoUring.hxx.

fRing

struct io_uring ROOT::Internal::RIoUring::fRing

private

Definition at line 26 of file RIoUring.hxx.