memory-mapped-files

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Are Windows Memory Mapped File contents always zeroed by default?

I\'ve determined empirically that, on my system, a memory mapped file created to be a certain size is always completely zeroed by default. For example, using the call[详细]

2023-02-07 08:21 分类：问答
What is the fastest way to write hundreds of files to disk using C#?

My program should开发者_高级运维 write hundreds of files to disk, received by external resources (network)[详细]

2023-02-03 05:21 分类：问答
Reading different data types in shared memory

I want to share some memory between different processes running a DLL. Therefore i create a memory-mapped-file by HANDLE hSharedFile = CreateFileMapping(...) then LPBYTE hSharedView = MapViewOfFile(..[详细]

2023-02-03 01:58 分类：问答
Java Memory-mapped files?

Are Memory-mapped files in Java like Memory-mapped files for Windows? Or is it on开发者_StackOverflow社区ly emulation based on memory and file common operations in Java?It uses the OS support for memo[详细]

2023-01-26 20:34 分类：问答
Is it possible to map just part of a file using mmap?

I have a input file which has a header like this: P6\\n width\\n height\\n depth\\n and then a struct is writen, pixel*, into this file, which is going to be mapped.[详细]

2023-01-26 09:23 分类：问答
Appending to MemoryMappedFile?

Maybe I\'ve misunderstood something fundamentally about how memory mapped files work but, how do I append to the end of a file whenI\'m using MemoryMappedFile? t开发者_运维技巧he CreateViewAccessor on[详细]

2023-01-25 11:20 分类：问答
Sharing memory-mapped files between 32 bit and 64 bit processes

My requirement is to provide a shared memory file between 32 bit and 64 bit processes. This file can be created by any of the process depends upon who comes first.[详细]

2023-01-24 03:55 分类：问答
System Error 0x5: CreateFileMapping()

I wish to implement IPC using Named Shared Memory. To do this, one of the steps is getting开发者_如何学编程 a handle to a Mapping Memory Object, using CreateFileMapping().[详细]

2023-01-21 18:29 分类：问答
c# Memory Mapped file Read

I am trying to read a few text files ( around 开发者_JAVA百科300 kb each ).Until now I\'ve been using the Filestream to open the file and read it. ( TAB DELIMITED ).However, I heard about the memory m[详细]

2023-01-21 03:22 分类：问答
How do I create a memory-mapped file without a backing file on OSX?

I want to use a library that uses file descriptors as the basic means to access its data. For performance reasons, I don\'t want to have to commit files to the disk each before I use this library\'s f[详细]

2023-01-14 15:00 分类：问答