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Share memory throuth DLL

, 1 May 2006
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This discussed how more applications share them memory.
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Sample Image - Share_memory_throuth_DLL.jpg

 

Generally, each application has its own data segment. This mearn they are independent where two applications use a dll together. But, sometimes, we want to know what other applications are doing. So we want used a shared memory. There are many ways to do so, use a shared DLL section is one of them.

 

Following is the simply step to create a shared memory.

 

1. Create a DLL project.

 

2. Create a segment named “.shared”, and create shared members at this section.

 

#pragma data_seg(".shared")

      char theBuffer[1024] = "";

#pragma data_seg()

 

3. Define this section as shared. This is defined at TheDll.def file.

 

SECTIONS

.shared   READ WRITE SHARED

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About the Author

Denny50
Software Developer (Senior)
Australia Australia
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Comments and Discussions

 
GeneralMy vote of 1 PinmemberRen33320-May-10 13:31 
GeneralMy vote of 1 Pinmembercefarix30-Aug-09 13:31 
General#pragma... PinmemberAmir Dashti29-Dec-08 2:18 
Also you could write:
#pragma comment(linker, "/SECTION:shared,RWS")
 

instead of :
 
SECTIONS
.shared READ WRITE SHARED
GeneralBAD BAD BAD PinmemberThe_Myth2-May-06 4:32 
GeneralWhats missing Pinmembergri2-May-06 3:04 
GeneralRe: Whats missing PinmemberDenny Wang2-May-06 14:28 

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