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4bc4da331a
We can't open a SQLite database if the disk is full. Since this prevents the garbage collector from running when it's most needed, we reserve some dummy space that we can free just before doing a garbage collection. This actually revives some old code from the Berkeley DB days. Fixes #27.
69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#ifndef __WORKER_PROTOCOL_H
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#define __WORKER_PROTOCOL_H
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namespace nix {
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#define WORKER_MAGIC_1 0x6e697863
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#define WORKER_MAGIC_2 0x6478696f
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#define PROTOCOL_VERSION 0x10b
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#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
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#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)
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typedef enum {
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wopQuit = 0,
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wopIsValidPath = 1,
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wopHasSubstitutes = 3,
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wopQueryPathHash = 4,
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wopQueryReferences = 5,
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wopQueryReferrers = 6,
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wopAddToStore = 7,
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wopAddTextToStore = 8,
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wopBuildDerivations = 9,
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wopEnsurePath = 10,
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wopAddTempRoot = 11,
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wopAddIndirectRoot = 12,
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wopSyncWithGC = 13,
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wopFindRoots = 14,
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wopExportPath = 16,
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wopQueryDeriver = 18,
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wopSetOptions = 19,
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wopCollectGarbage = 20,
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wopQuerySubstitutablePathInfo = 21,
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wopQueryDerivationOutputs = 22,
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wopQueryValidPaths = 23,
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wopQueryFailedPaths = 24,
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wopClearFailedPaths = 25,
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wopQueryPathInfo = 26,
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wopImportPaths = 27,
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wopQueryDerivationOutputNames = 28,
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} WorkerOp;
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#define STDERR_NEXT 0x6f6c6d67
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#define STDERR_READ 0x64617461 // data needed from source
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#define STDERR_WRITE 0x64617416 // data for sink
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#define STDERR_LAST 0x616c7473
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#define STDERR_ERROR 0x63787470
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/* The default location of the daemon socket, relative to nixStateDir.
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The socket is in a directory to allow you to control access to the
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Nix daemon by setting the mode/ownership of the directory
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appropriately. (This wouldn't work on the socket itself since it
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must be deleted and recreated on startup.) */
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#define DEFAULT_SOCKET_PATH "/daemon-socket/socket"
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Path readStorePath(Source & from);
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template<class T> T readStorePaths(Source & from);
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}
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#endif /* !__WORKER_PROTOCOL_H */
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