SharedMemory Class Reference

#include <ipc.h>

Collaboration diagram for SharedMemory:

Public Types
enum	rw_t { reader, writer }

Public Member Functions
	SharedMemory ()
	~SharedMemory ()
bool	OK () const
void *	BasePointer () const
size_t	Size () const
bool	Server () const
bool	Client () const
bool	Lock (rw_t rw)
void	Unlock (rw_t rw)

Private Attributes
shm_handle_t	handle
union {
semaphore_t	semid
semaphore_t	sem [2]
};
void *	shared
bool	ok
bool	server

Detailed Description

Definition at line 45 of file ipc.h.

Member Enumeration Documentation

rw_t

enum SharedMemory::rw_t

Enumerator
reader
writer

Definition at line 61 of file ipc.h.

Constructor & Destructor Documentation

SharedMemory()

SharedMemory::SharedMemory

(

)

Definition at line 75 of file ipc.cpp.

References g_failed_shm, Mgr< LogManager >::Get(), handle, ipc_buf_size, ok, LogManager::Panic(), reader, server, shared, and writer.

Referenced by Unlock().

~SharedMemory()

SharedMemory::~SharedMemory

(

)

Definition at line 97 of file ipc.cpp.

References handle, reader, shared, and writer.

Referenced by Unlock().

Member Function Documentation

BasePointer()

void* SharedMemory::BasePointer ( ) const

inline

Definition at line 68 of file ipc.h.

References shared.

Referenced by IPC::Entry(), and IPC::Send().

Client()

bool SharedMemory::Client ( ) const

inline

Definition at line 72 of file ipc.h.

References Lock(), server, and Unlock().

Lock()

bool SharedMemory::Lock

(

rw_t

rw

)

Definition at line 105 of file ipc.cpp.

References reader, and writer.

Referenced by Client(), IPC::Entry(), IPC::Send(), and Unlock().

OK()

bool SharedMemory::OK ( ) const

inline

Definition at line 66 of file ipc.h.

References ok.

Server()

bool SharedMemory::Server ( ) const

inline

Definition at line 71 of file ipc.h.

References server.

Referenced by IPC::Server().

Size()

size_t SharedMemory::Size ( ) const

inline

Definition at line 69 of file ipc.h.

References ipc_buf_size.

Referenced by IPC::Send().

Unlock()

void SharedMemory::Unlock

(

rw_t

rw

)

Definition at line 120 of file ipc.cpp.

References g_failed_sem, g_failed_shm, Mgr< LogManager >::Get(), handle, ipc_buf_size, Lock(), ok, LogManager::Panic(), reader, server, shared, SharedMemory(), writer, and ~SharedMemory().

Referenced by Client(), IPC::Entry(), IPC::Send(), and IPC::Shutdown().

Member Data Documentation

@6

union { ... }

handle

shm_handle_t SharedMemory::handle

private

Definition at line 47 of file ipc.h.

Referenced by SharedMemory(), Unlock(), and ~SharedMemory().

ok

bool SharedMemory::ok

private

Definition at line 56 of file ipc.h.

Referenced by OK(), SharedMemory(), and Unlock().

server

bool SharedMemory::server

private

Definition at line 57 of file ipc.h.

Referenced by Client(), Server(), SharedMemory(), and Unlock().

shared

void* SharedMemory::shared

private

Definition at line 55 of file ipc.h.

Referenced by BasePointer(), SharedMemory(), Unlock(), and ~SharedMemory().

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

• ipc.h
• ipc.cpp