diff options
Diffstat (limited to 'vendor/github.com/ncruces/go-sqlite3/vfs/api.go')
| -rw-r--r-- | vendor/github.com/ncruces/go-sqlite3/vfs/api.go | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/api.go b/vendor/github.com/ncruces/go-sqlite3/vfs/api.go deleted file mode 100644 index 4f4f833bb..000000000 --- a/vendor/github.com/ncruces/go-sqlite3/vfs/api.go +++ /dev/null @@ -1,222 +0,0 @@ -// Package vfs wraps the C SQLite VFS API. -package vfs - -import ( - "context" - "io" - - "github.com/tetratelabs/wazero/api" -) - -// A VFS defines the interface between the SQLite core and the underlying operating system. -// -// Use [SystemError], sqlite3.ErrorCode, or sqlite3.ExtendedErrorCode -// to return specific error codes to SQLite. -// -// https://sqlite.org/c3ref/vfs.html -type VFS interface { - Open(name string, flags OpenFlag) (File, OpenFlag, error) - Delete(name string, syncDir bool) error - Access(name string, flags AccessFlag) (bool, error) - FullPathname(name string) (string, error) -} - -// VFSFilename extends VFS with the ability to use Filename -// objects for opening files. -// -// https://sqlite.org/c3ref/filename.html -type VFSFilename interface { - VFS - OpenFilename(name *Filename, flags OpenFlag) (File, OpenFlag, error) -} - -// A File represents an open file in the OS interface layer. -// -// Use [SystemError], sqlite3.ErrorCode, or sqlite3.ExtendedErrorCode -// to return specific error codes to SQLite. -// In particular, sqlite3.BUSY is needed to correctly implement lock methods. -// -// https://sqlite.org/c3ref/io_methods.html -type File interface { - io.Closer - io.ReaderAt - io.WriterAt - Truncate(size int64) error - Sync(flags SyncFlag) error - Size() (int64, error) - Lock(lock LockLevel) error - Unlock(lock LockLevel) error - CheckReservedLock() (bool, error) - SectorSize() int - DeviceCharacteristics() DeviceCharacteristic -} - -// FileUnwrap should be implemented by a File -// that wraps another File implementation. -type FileUnwrap interface { - File - Unwrap() File -} - -// FileLockState extends File to implement the -// SQLITE_FCNTL_LOCKSTATE file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntllockstate -type FileLockState interface { - File - LockState() LockLevel -} - -// FilePersistWAL extends File to implement the -// SQLITE_FCNTL_PERSIST_WAL file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlpersistwal -type FilePersistWAL interface { - File - PersistWAL() bool - SetPersistWAL(bool) -} - -// FilePowersafeOverwrite extends File to implement the -// SQLITE_FCNTL_POWERSAFE_OVERWRITE file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlpowersafeoverwrite -type FilePowersafeOverwrite interface { - File - PowersafeOverwrite() bool - SetPowersafeOverwrite(bool) -} - -// FileChunkSize extends File to implement the -// SQLITE_FCNTL_CHUNK_SIZE file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlchunksize -type FileChunkSize interface { - File - ChunkSize(size int) -} - -// FileSizeHint extends File to implement the -// SQLITE_FCNTL_SIZE_HINT file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlsizehint -type FileSizeHint interface { - File - SizeHint(size int64) error -} - -// FileHasMoved extends File to implement the -// SQLITE_FCNTL_HAS_MOVED file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlhasmoved -type FileHasMoved interface { - File - HasMoved() (bool, error) -} - -// FileOverwrite extends File to implement the -// SQLITE_FCNTL_OVERWRITE file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntloverwrite -type FileOverwrite interface { - File - Overwrite() error -} - -// FileSync extends File to implement the -// SQLITE_FCNTL_SYNC file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlsync -type FileSync interface { - File - SyncSuper(super string) error -} - -// FileCommitPhaseTwo extends File to implement the -// SQLITE_FCNTL_COMMIT_PHASETWO file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlcommitphasetwo -type FileCommitPhaseTwo interface { - File - CommitPhaseTwo() error -} - -// FileBatchAtomicWrite extends File to implement the -// SQLITE_FCNTL_BEGIN_ATOMIC_WRITE, SQLITE_FCNTL_COMMIT_ATOMIC_WRITE -// and SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE file control opcodes. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlbeginatomicwrite -type FileBatchAtomicWrite interface { - File - BeginAtomicWrite() error - CommitAtomicWrite() error - RollbackAtomicWrite() error -} - -// FileCheckpoint extends File to implement the -// SQLITE_FCNTL_CKPT_START and SQLITE_FCNTL_CKPT_DONE -// file control opcodes. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlckptstart -type FileCheckpoint interface { - File - CheckpointStart() - CheckpointDone() -} - -// FilePragma extends File to implement the -// SQLITE_FCNTL_PRAGMA file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlpragma -type FilePragma interface { - File - Pragma(name, value string) (string, error) -} - -// FileBusyHandler extends File to implement the -// SQLITE_FCNTL_BUSYHANDLER file control opcode. -// -// https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlbusyhandler -type FileBusyHandler interface { - File - BusyHandler(func() bool) -} - -// FileSharedMemory extends File to possibly implement -// shared-memory for the WAL-index. -// The same shared-memory instance must be returned -// for the entire life of the file. -// It's OK for SharedMemory to return nil. -type FileSharedMemory interface { - File - SharedMemory() SharedMemory -} - -// SharedMemory is a shared-memory WAL-index implementation. -// Use [NewSharedMemory] to create a shared-memory. -type SharedMemory interface { - shmMap(context.Context, api.Module, int32, int32, bool) (ptr_t, error) - shmLock(int32, int32, _ShmFlag) error - shmUnmap(bool) - shmBarrier() - io.Closer -} - -type blockingSharedMemory interface { - SharedMemory - shmEnableBlocking(block bool) -} - -// FileControl makes it easy to forward all fileControl methods, -// which we want to do for the checksum VFS. -// However, this is not a safe default, and other VFSes -// should explicitly wrap the methods they want to wrap. -type fileControl interface { - File - fileControl(ctx context.Context, mod api.Module, op _FcntlOpcode, pArg ptr_t) _ErrorCode -} - -type filePDB interface { - File - SetDB(any) -} |