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Diffstat (limited to 'src/test_multiplex.h')
| -rw-r--r-- | src/test_multiplex.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/test_multiplex.h b/src/test_multiplex.h new file mode 100644 index 000000000..cc56ee92e --- /dev/null +++ b/src/test_multiplex.h @@ -0,0 +1,48 @@ +/* +** 2011 March 18 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +************************************************************************* +** +** This file contains a VFS "shim" - a layer that sits in between the +** pager and the real VFS. +** +** This particular shim enforces a multiplex system on DB files. +** This shim shards/partitions a single DB file into smaller +** "chunks" such that the total DB file size may exceed the maximum +** file size of the underlying file system. +** +*/ + +#ifndef _TEST_MULTIPLEX_H +#define _TEST_MULTIPLEX_H + +/* +** CAPI: File-control Operations Supported by Multiplex VFS +** +** Values interpreted by the xFileControl method of a Multiplex VFS db file-handle. +** +** MULTIPLEX_CTRL_ENABLE: +** This file control is used to enable or disable the multiplex +** shim. +** +** MULTIPLEX_CTRL_SET_CHUNK_SIZE: +** This file control is used to set the maximum allowed chunk +** size for a multiplex file set. +** +** MULTIPLEX_CTRL_SET_MAX_CHUNKS: +** This file control is used to set the maximum number of chunks +** allowed to be used for a mutliplex file set. +*/ +#define MULTIPLEX_CTRL_ENABLE 214014 +#define MULTIPLEX_CTRL_SET_CHUNK_SIZE 214015 +#define MULTIPLEX_CTRL_SET_MAX_CHUNKS 214016 + + +#endif |