1 files changed, 0 insertions, 143 deletions
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/os_dotlk.go b/vendor/github.com/ncruces/go-sqlite3/vfs/os_dotlk.go
deleted file mode 100644
index 7a9c38897..000000000
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/os_dotlk.go
+++ /dev/null
@@ -1,143 +0,0 @@
-//go:build sqlite3_dotlk
-
-package vfs
-
-import (
-	"errors"
-	"io/fs"
-	"os"
-	"sync"
-
-	"github.com/ncruces/go-sqlite3/internal/dotlk"
-)
-
-var (
-	// +checklocks:vfsDotLocksMtx
-	vfsDotLocks    = map[string]*vfsDotLocker{}
-	vfsDotLocksMtx sync.Mutex
-)
-
-type vfsDotLocker struct {
-	shared   int      // +checklocks:vfsDotLocksMtx
-	pending  *os.File // +checklocks:vfsDotLocksMtx
-	reserved *os.File // +checklocks:vfsDotLocksMtx
-}
-
-func osGetSharedLock(file *os.File) _ErrorCode {
-	vfsDotLocksMtx.Lock()
-	defer vfsDotLocksMtx.Unlock()
-
-	name := file.Name()
-	locker := vfsDotLocks[name]
-	if locker == nil {
-		if err := dotlk.TryLock(name + ".lock"); err != nil {
-			if errors.Is(err, fs.ErrExist) {
-				return _BUSY // Another process has the lock.
-			}
-			return _IOERR_LOCK
-		}
-		locker = &vfsDotLocker{}
-		vfsDotLocks[name] = locker
-	}
-
-	if locker.pending != nil {
-		return _BUSY
-	}
-	locker.shared++
-	return _OK
-}
-
-func osGetReservedLock(file *os.File) _ErrorCode {
-	vfsDotLocksMtx.Lock()
-	defer vfsDotLocksMtx.Unlock()
-
-	name := file.Name()
-	locker := vfsDotLocks[name]
-	if locker == nil {
-		return _IOERR_LOCK
-	}
-
-	if locker.reserved != nil && locker.reserved != file {
-		return _BUSY
-	}
-	locker.reserved = file
-	return _OK
-}
-
-func osGetExclusiveLock(file *os.File, _ *LockLevel) _ErrorCode {
-	vfsDotLocksMtx.Lock()
-	defer vfsDotLocksMtx.Unlock()
-
-	name := file.Name()
-	locker := vfsDotLocks[name]
-	if locker == nil {
-		return _IOERR_LOCK
-	}
-
-	if locker.pending != nil && locker.pending != file {
-		return _BUSY
-	}
-	locker.pending = file
-	if locker.shared > 1 {
-		return _BUSY
-	}
-	return _OK
-}
-
-func osDowngradeLock(file *os.File, _ LockLevel) _ErrorCode {
-	vfsDotLocksMtx.Lock()
-	defer vfsDotLocksMtx.Unlock()
-
-	name := file.Name()
-	locker := vfsDotLocks[name]
-	if locker == nil {
-		return _IOERR_UNLOCK
-	}
-
-	if locker.reserved == file {
-		locker.reserved = nil
-	}
-	if locker.pending == file {
-		locker.pending = nil
-	}
-	return _OK
-}
-
-func osReleaseLock(file *os.File, state LockLevel) _ErrorCode {
-	vfsDotLocksMtx.Lock()
-	defer vfsDotLocksMtx.Unlock()
-
-	name := file.Name()
-	locker := vfsDotLocks[name]
-	if locker == nil {
-		return _IOERR_UNLOCK
-	}
-
-	if locker.shared == 1 {
-		if err := dotlk.Unlock(name + ".lock"); err != nil {
-			return _IOERR_UNLOCK
-		}
-		delete(vfsDotLocks, name)
-	}
-
-	if locker.reserved == file {
-		locker.reserved = nil
-	}
-	if locker.pending == file {
-		locker.pending = nil
-	}
-	locker.shared--
-	return _OK
-}
-
-func osCheckReservedLock(file *os.File) (bool, _ErrorCode) {
-	vfsDotLocksMtx.Lock()
-	defer vfsDotLocksMtx.Unlock()
-
-	name := file.Name()
-	locker := vfsDotLocks[name]
-	if locker == nil {
-		return false, _OK
-	}
-	return locker.reserved != nil, _OK
-}