48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
#ifndef __STORE_H
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#define __STORE_H
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#include <string>
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#include "hash.hh"
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#include "db.hh"
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using namespace std;
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/* Copy a path recursively. */
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void copyPath(const Path & src, const Path & dst);
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/* Register a successor. This function accepts a transaction handle
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so that it can be enclosed in an atomic operation with calls to
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registerValidPath(). This must be atomic, since if we register a
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successor for a derivation without registering the paths built in
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the derivation, we have a successor with dangling pointers, and if
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we do it in reverse order, we can get an obstructed build (since to
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rebuild the successor, the outputs paths must not exist). */
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void registerSuccessor(const Transaction & txn,
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const Path & srcPath, const Path & sucPath);
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/* Register a substitute. */
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void registerSubstitute(const Path & srcPath, const Path & subPath);
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/* Register the validity of a path. */
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void registerValidPath(const Transaction & txn, const Path & path);
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/* Unregister the validity of a path. */
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void unregisterValidPath(const Path & path);
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/* Checks whether a path is valid. */
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bool isValidPath(const Path & path);
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/* Copy the contents of a path to the store and register the validity
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the resulting path. The resulting path is returned. */
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Path addToStore(const Path & srcPath);
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/* Delete a value from the nixStore directory. */
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void deleteFromStore(const Path & path);
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void verifyStore();
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#endif /* !__STORE_H */
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