xrootd: XrdOssMio Class Reference

xrootd

#include <XrdOssMio.hh>

Collaboration diagram for XrdOssMio:

Collaboration graph

Static Public Member Functions
static void	Display (XrdSysError &Eroute)

static char	isAuto ()

static char	isOn ()

static XrdOssMioFile *	Map (char *path, int fd, int opts)

static void *	preLoad (void *arg)

static void	Recycle (XrdOssMioFile *mp)

static void	Set (int V_off, int V_preld, int V_check)

static void	Set (long long V_max)

Static Private Member Functions
static int	Reclaim (off_t amount)

static int	Reclaim (XrdOssMioFile *mp)

Static Private Attributes
static XrdOucHash< XrdOssMioFile >	MM_Hash

static XrdSysMutex	MM_Mutex

static XrdOssMioFile *	MM_Perm = 0

static XrdOssMioFile *	MM_Idle = 0

static XrdOssMioFile *	MM_IdleLast = 0

static char	MM_on = 1

static char	MM_chk = 0

static char	MM_okmlock = 1

static char	MM_preld = 0

static long long	MM_max = MM_pagsz*MM_pages/2

static long long	MM_pagsz = (long long)sysconf(_SC_PAGESIZE)

static long long	MM_pages = (long long)sysconf(_SC_PHYS_PAGES)

static long long	MM_inuse = 0

Member Function Documentation

void XrdOssMio::Display ( XrdSysError & Eroute )

static

References MM_chk, MM_max, MM_on, MM_preld, and XrdSysError::Say().

Referenced by XrdOssSys::Config_Display().

static char XrdOssMio::isAuto ( )

inlinestatic

References MM_chk.

Referenced by XrdOssSys::ConfigMio().

static char XrdOssMio::isOn ( )

inlinestatic

References MM_on.

Referenced by XrdOssSys::ConfigMio().

XrdOssMioFile * XrdOssMio::Map	(	char *	path,
		int	fd,
		int	opts
	)

static

References XrdOucHash< T >::Add(), XrdOucTrace::bin2hex(), DEBUG, XrdSysError::Emsg(), EPNAME, XrdOucHash< T >::Find(), fstat(), XrdSysMutexHelper::Lock(), MM_Hash, MM_inuse, MM_max, MM_Mutex, MM_okmlock, MM_Perm, MM_preld, opts, OSSMIO_MLOK, OSSMIO_MPRM, preLoad(), Reclaim(), XrdSysThread::Run(), and stat().

Referenced by XrdOssFile::Open().

void * XrdOssMio::preLoad ( void * arg )

static

References XrdOssMioFile::Base, MM_pagsz, Recycle(), and XrdOssMioFile::Size.

Referenced by Map().

int XrdOssMio::Reclaim ( off_t amount )

staticprivate

References DEBUG, XrdOucHash< T >::Del(), EPNAME, XrdOssMioFile::HashName, MM_Hash, MM_Idle, MM_inuse, XrdOssMioFile::Next, and XrdOssMioFile::Size.

Referenced by Map().

int XrdOssMio::Reclaim ( XrdOssMioFile * mp )

staticprivate

References DEBUG, XrdOssMioFile::Dev, EPNAME, XrdOssMioFile::Ino, MM_Idle, MM_IdleLast, and XrdOssMioFile::Next.

void XrdOssMio::Recycle ( XrdOssMioFile * mp )

static

References XrdSysError::Emsg(), XrdOssMioFile::HashName, XrdOssMioFile::inUse, MM_Idle, MM_IdleLast, MM_Mutex, XrdOssMioFile::Next, OSSMIO_MPRM, and XrdOssMioFile::Status.

Referenced by XrdOssFile::Close(), and preLoad().

void XrdOssMio::Set	(	int	V_off,
		int	V_preld,
		int	V_check
	)

static

References MM_chk, MM_on, and MM_preld.

Referenced by XrdOssSys::ConfigMio(), and XrdOssSys::xmemf().

void XrdOssMio::Set ( long long V_max )

static

References MM_max, MM_pages, and MM_pagsz.

Member Data Documentation

char XrdOssMio::MM_chk = 0

staticprivate

Referenced by Display(), isAuto(), and Set().

XrdOucHash< XrdOssMioFile > XrdOssMio::MM_Hash

staticprivate

Referenced by Map(), and Reclaim().

XrdOssMioFile * XrdOssMio::MM_Idle = 0

staticprivate

Referenced by Reclaim(), and Recycle().

XrdOssMioFile * XrdOssMio::MM_IdleLast = 0

staticprivate

Referenced by Reclaim(), and Recycle().

long long XrdOssMio::MM_inuse = 0

staticprivate

Referenced by Map(), and Reclaim().

long long XrdOssMio::MM_max = MM_pagsz*MM_pages/2

staticprivate

Referenced by Display(), Map(), and Set().

XrdSysMutex XrdOssMio::MM_Mutex

staticprivate

Referenced by Map(), and Recycle().

char XrdOssMio::MM_okmlock = 1

staticprivate

Referenced by Map().

char XrdOssMio::MM_on = 1

staticprivate

Referenced by Display(), isOn(), and Set().

long long XrdOssMio::MM_pages = (long long)sysconf(_SC_PHYS_PAGES)

staticprivate

Referenced by Set().

long long XrdOssMio::MM_pagsz = (long long)sysconf(_SC_PAGESIZE)

staticprivate

Referenced by preLoad(), and Set().

XrdOssMioFile * XrdOssMio::MM_Perm = 0

staticprivate

Referenced by Map().

char XrdOssMio::MM_preld = 0

staticprivate

Referenced by Display(), Map(), and Set().

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