Questions tagged [copy-on-write]

215 questions
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NODE.JS why we should use : COPYFILE_FICLONE and COPYFILE_FICLONE_FORCE what is it for?

Guys I am trying to learn Node.js by reading Node.js documentation. I began to learn fs module firstly and while learning I saw this explanation: mode is an optional integer that specifies the behavior of the copy operation. It is possible to…
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Do we have to implement copy on write behavior for our custom types?

In Swift, collections are implicitly implemented with copy on write behavior; However, we don't get it for free in our custom types. My main question is: Regardless of how to achieve it, is it a good idea to do for our custom types? Why/Why…
Ahmad F
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segmentation fault with deep copy

I am trying to make a deep copy (for copy on write) of an object but I get a segmentation fault. I am using a hashtable with linked list. class Person { public: Person(const char * id,int nb) { this->id=strdup(id); …
bandera
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File copy-on-write in Java?

I'm using brtfs, and I'd like my Java program to copy a set of large files copy-on-write. In other words, what's the equivalent of cp --reflink=auto in some library that hopefully exists and somebody has heard of, so they can tell me? :-)
Johannes Ernst
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Does php's copy on write work with arrays?

Does php's copy on write work with arrays? Also if you could suggest a way to debug when a copy on write is happening that would be appreciated
Cory Baumer
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