XrdOssMio Class Reference

#include <XrdOssMio.hh>

Collaboration diagram for XrdOssMio:

List of all members.

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

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Member Function Documentation

void XrdOssMio::Display

(

XrdSysError &

Eroute

)

[static]

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

static char XrdOssMio::isAuto

(

)

[inline, static]

References MM_chk.

Referenced by XrdOssSys::ConfigMio().

static char XrdOssMio::isOn

(

)

[inline, static]

References MM_on.

Referenced by XrdOssSys::ConfigMio().

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

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

Referenced by XrdOssFile::Open().

void * XrdOssMio::preLoad

(

void *

arg

)

[static]

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

Referenced by Map().

int XrdOssMio::Reclaim

(

off_t

amount

)

[static, private]

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

Referenced by Map().

int XrdOssMio::Reclaim

(

XrdOssMioFile *

mp

)

[static, private]

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

void XrdOssMio::Recycle

(

XrdOssMioFile *

mp

)

[static]

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

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

void XrdOssMio::Set	(	int	V_off,
		int	V_preld,
		int	V_check
	)		[static]

References MM_on, MM_preld, and MM_chk.

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

void XrdOssMio::Set

(

long long

V_max

)

[static]

References MM_max, MM_pagsz, and MM_pages.

---

Member Data Documentation

char XrdOssMio::MM_chk = 0 [static, private]

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

XrdOucHash< XrdOssMioFile > XrdOssMio::MM_Hash [static, private]

Referenced by Map(), and Reclaim().

XrdOssMioFile * XrdOssMio::MM_Idle = 0 [static, private]

Referenced by Reclaim(), and Recycle().

XrdOssMioFile * XrdOssMio::MM_IdleLast = 0 [static, private]

Referenced by Reclaim(), and Recycle().

long long XrdOssMio::MM_inuse = 0 [static, private]

Referenced by Map(), and Reclaim().

long long XrdOssMio::MM_max = MM_pagsz*MM_pages/2 [static, private]

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

XrdSysMutex XrdOssMio::MM_Mutex [static, private]

Referenced by Map(), and Recycle().

char XrdOssMio::MM_okmlock = 1 [static, private]

Referenced by Map().

char XrdOssMio::MM_on = 1 [static, private]

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

long long XrdOssMio::MM_pages = (long long)sysconf(_SC_PHYS_PAGES) [static, private]

Referenced by Set().

long long XrdOssMio::MM_pagsz = (long long)sysconf(_SC_PAGESIZE) [static, private]

Referenced by preLoad(), and Set().

XrdOssMioFile * XrdOssMio::MM_Perm = 0 [static, private]

Referenced by Map().

char XrdOssMio::MM_preld = 0 [static, private]

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

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

• XrdOssMio.hh
• XrdOssMio.cc