SharedMemory Class Reference

#include <DiskdIOStrategy.h>

Collaboration diagram for SharedMemory:

Public Member Functions
void	put (ssize_t)
void *	get (ssize_t *)
void	init (int ikey, int magic2)
	SharedMemory ()

Public Attributes
int	nbufs
char *	buf
char *	inuse_map
int	id

Detailed Description

Definition at line 17 of file DiskdIOStrategy.h.

Constructor & Destructor Documentation

SharedMemory()

SharedMemory::SharedMemory ( )

inline

Definition at line 24 of file DiskdIOStrategy.h.

Member Function Documentation

get()

void * SharedMemory::get

(

ssize_t *

shm_offset

)

Definition at line 217 of file DiskdIOStrategy.cc.

References assert, buf, CBIT_SET, CBIT_TEST, diskd_stats, inuse_map, diskd_stats_t::max_shmuse, nbufs, SHMBUF_BLKSZ, and diskd_stats_t::shmbuf_count.

Referenced by DiskdFile::create(), DiskdFile::open(), DiskdFile::read(), DiskdIOStrategy::unlinkFile(), and DiskdFile::write().

init()

void SharedMemory::init	(	int	ikey,
		int	magic2
	)

Definition at line 247 of file DiskdIOStrategy.cc.

References buf, CBIT_SET, DBG_CRITICAL, debugs, diskd_stats, fatal(), int, inuse_map, MYNAME, nbufs, put(), SHMBUF_BLKSZ, diskd_stats_t::shmbuf_count, xcalloc(), and xstrerr().

Referenced by DiskdIOStrategy::init().

put()

void SharedMemory::put

(

ssize_t

offset

)

Definition at line 203 of file DiskdIOStrategy.cc.

References assert, CBIT_CLR, CBIT_TEST, diskd_stats, inuse_map, nbufs, SHMBUF_BLKSZ, and diskd_stats_t::shmbuf_count.

Referenced by DiskdIOStrategy::callback(), init(), and DiskdIOStrategy::SEND().

Member Data Documentation

buf

char* SharedMemory::buf

Definition at line 27 of file DiskdIOStrategy.h.

Referenced by get(), init(), DiskdFile::readDone(), and DiskdIOStrategy::unlinkDone().

id

int SharedMemory::id

Definition at line 29 of file DiskdIOStrategy.h.

inuse_map

char* SharedMemory::inuse_map

Definition at line 28 of file DiskdIOStrategy.h.

Referenced by get(), init(), and put().

nbufs

int SharedMemory::nbufs

Definition at line 26 of file DiskdIOStrategy.h.

Referenced by get(), init(), and put().

---

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

• src/DiskIO/DiskDaemon/DiskdIOStrategy.h
• src/DiskIO/DiskDaemon/DiskdIOStrategy.cc