shaneh
d50deeeb7a
added app-def function for same; FossilOrigin-Name: bc02d0c193225bd49a8d8a3295aeac752d3c2e30
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
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** 2011 March 18
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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**
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** This file contains a VFS "shim" - a layer that sits in between the
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** pager and the real VFS.
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**
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** This particular shim enforces a multiplex system on DB files.
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** This shim shards/partitions a single DB file into smaller
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** "chunks" such that the total DB file size may exceed the maximum
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** file size of the underlying file system.
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**
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*/
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#ifndef _TEST_MULTIPLEX_H
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#define _TEST_MULTIPLEX_H
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/*
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** CAPI: File-control Operations Supported by Multiplex VFS
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**
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** Values interpreted by the xFileControl method of a Multiplex VFS db file-handle.
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**
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** MULTIPLEX_CTRL_ENABLE:
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** This file control is used to enable or disable the multiplex
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** shim.
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**
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** MULTIPLEX_CTRL_SET_CHUNK_SIZE:
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** This file control is used to set the maximum allowed chunk
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** size for a multiplex file set.
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**
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** MULTIPLEX_CTRL_SET_MAX_CHUNKS:
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** This file control is used to set the maximum number of chunks
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** allowed to be used for a mutliplex file set.
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*/
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#define MULTIPLEX_CTRL_ENABLE 214014
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#define MULTIPLEX_CTRL_SET_CHUNK_SIZE 214015
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#define MULTIPLEX_CTRL_SET_MAX_CHUNKS 214016
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#endif
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