SharedMemory

Field Summary

Fields
Modifier and Type Field and Description

protected boolean m_endian

Fields
Modifier and Type	Field and Description
`protected boolean`	`m_endian`

Constructor Summary

Constructors
Constructor and Description

SharedMemory()
Constructor

Constructors
Constructor and Description
`SharedMemory()` Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`close_memory()`
`void`	`close_memory(boolean unlink)` Close a shared memory.
`void`	`create_memory(long memory_size, java.lang.String shm_address)` Initializes a shared memory. # windowsではページングファイル上に領域を確保する # Linuxでは/dev/shm以下にファイルを作成する # 作成したファイルの内容を仮想アドレスにマッピングする
`PortStatus`	`get()` Get data. # # PortStatus get();
`void`	`open_memory(long memory_size, java.lang.String shm_address)` Open a shared memory.
`PortStatus`	`put()` Put data. # PortStatus put();
`void`	`read(CdrDataHolder data)` Read Data.
`void`	`setEndian(boolean isLittleEndian)` Sets an endian.
`void`	`setInterface(PortSharedMemory sm)` Registers CORBA interfaces.
`long`	`string_to_MemorySize(java.lang.String size_str)` Changes a string to the value.
`void`	`write(CdrDataHolder data)` Writes in data.

Methods inherited from class OpenRTM.PortSharedMemoryPOA
_all_interfaces, _invoke, _this, _this

Methods inherited from class org.omg.PortableServer.Servant
_default_POA, _get_delegate, _get_interface_def, _is_a, _non_existent, _object_id, _orb, _poa, _set_delegate, _this_object, _this_object

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - m_endian
```
protected boolean m_endian
```
- Constructor Detail
  - SharedMemory
```
public SharedMemory()
```
    Constructor
- Method Detail
  - string_to_MemorySize
```
public long string_to_MemorySize(java.lang.String size_str)
```
    Changes a string to the value.
    1M -> 1048576 1k -> 1024 100 -> 100
    
    Parameters:
    
    size_str - String
    
    Returns:
    
    value # int string_to_MemorySize(string size_str);
  - create_memory
```
public void create_memory(long memory_size,
                          java.lang.String shm_address)
```
    Initializes a shared memory. # windowsではページングファイル上に領域を確保する # Linuxでは/dev/shm以下にファイルを作成する # 作成したファイルの内容を仮想アドレスにマッピングする
    
    Parameters:
    
    memory_size - Size of a shared momory
    
    shm_address - name of memory # void create_memory(int memory_size, string shm_address);
  - open_memory
```
public void open_memory(long memory_size,
                        java.lang.String shm_address)
```
    Open a shared memory.
    
    Parameters:
    
    memory_size - size of shared momoery
    
    shm_address - name of memory # void open_memory(int memory_size, string shm_address);
  - close_memory
```
public void close_memory(boolean unlink)
```
    Close a shared memory.
    
    Parameters:
    
    unlink - # void close_memory(boolean unlink);
  - close_memory
```
public void close_memory()
```
  - write
```
public void write(CdrDataHolder data)
```
    Writes in data.
    
    Parameters:
    
    data - data # void write(cdrMemoryStream& data);
  - read
```
public void read(CdrDataHolder data)
```
    Read Data.
    
    Parameters:
    
    data - Readout data stored into the buffer. # void read(::OpenRTM::CdrData_out data);
  - setInterface
```
public void setInterface(PortSharedMemory sm)
```
    Registers CORBA interfaces.
    
    Parameters:
    
    sm - Object reference of shared momory # void close(int memory_size, string shm_address);
  - setEndian
```
public void setEndian(boolean isLittleEndian)
```
    Sets an endian.
    
    Parameters:
    
    isLittleEndian - true: little, false: big PortStatus setEndian();
  - put
```
public PortStatus put()
```
    Put data. # PortStatus put();
  - get
```
public PortStatus get()
```
    Get data. # # PortStatus get();

Class SharedMemory

Field Summary

Constructor Summary

Method Summary

Methods inherited from class OpenRTM.PortSharedMemoryPOA

Methods inherited from class org.omg.PortableServer.Servant

Methods inherited from class java.lang.Object

Field Detail

m_endian

Constructor Detail

SharedMemory

Method Detail

string_to_MemorySize

create_memory

open_memory

close_memory

close_memory

write

read

setInterface

setEndian

put

get