1 files changed, 4 insertions, 19 deletions
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/shm_windows.go b/vendor/github.com/ncruces/go-sqlite3/vfs/shm_windows.go
index ed2e93f8e..7cc5b2a23 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/shm_windows.go
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/shm_windows.go
@@ -7,14 +7,11 @@ import (
 	"io"
 	"os"
 	"sync"
-	"syscall"
-	"time"
 
 	"github.com/tetratelabs/wazero/api"
 	"golang.org/x/sys/windows"
 
 	"github.com/ncruces/go-sqlite3/internal/util"
-	"github.com/ncruces/go-sqlite3/util/osutil"
 )
 
 type vfsShm struct {
@@ -33,8 +30,6 @@ type vfsShm struct {
 	sync.Mutex
 }
 
-var _ blockingSharedMemory = &vfsShm{}
-
 func (s *vfsShm) Close() error {
 	// Unmap regions.
 	for _, r := range s.regions {
@@ -48,8 +43,7 @@ func (s *vfsShm) Close() error {
 
 func (s *vfsShm) shmOpen() _ErrorCode {
 	if s.File == nil {
-		f, err := osutil.OpenFile(s.path,
-			os.O_RDWR|os.O_CREATE|syscall.O_NONBLOCK, 0666)
+		f, err := os.OpenFile(s.path, os.O_RDWR|os.O_CREATE, 0666)
 		if err != nil {
 			return _CANTOPEN
 		}
@@ -67,7 +61,7 @@ func (s *vfsShm) shmOpen() _ErrorCode {
 			return _IOERR_SHMOPEN
 		}
 	}
-	rc := osReadLock(s.File, _SHM_DMS, 1, time.Millisecond)
+	rc := osReadLock(s.File, _SHM_DMS, 1, 0)
 	s.fileLock = rc == _OK
 	return rc
 }
@@ -135,11 +129,6 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
 }
 
 func (s *vfsShm) shmLock(offset, n int32, flags _ShmFlag) (rc _ErrorCode) {
-	var timeout time.Duration
-	if s.blocking {
-		timeout = time.Millisecond
-	}
-
 	switch {
 	case flags&_SHM_LOCK != 0:
 		defer s.shmAcquire(&rc)
@@ -151,9 +140,9 @@ func (s *vfsShm) shmLock(offset, n int32, flags _ShmFlag) (rc _ErrorCode) {
 	case flags&_SHM_UNLOCK != 0:
 		return osUnlock(s.File, _SHM_BASE+uint32(offset), uint32(n))
 	case flags&_SHM_SHARED != 0:
-		return osReadLock(s.File, _SHM_BASE+uint32(offset), uint32(n), timeout)
+		return osReadLock(s.File, _SHM_BASE+uint32(offset), uint32(n), 0)
 	case flags&_SHM_EXCLUSIVE != 0:
-		return osWriteLock(s.File, _SHM_BASE+uint32(offset), uint32(n), timeout)
+		return osWriteLock(s.File, _SHM_BASE+uint32(offset), uint32(n), 0)
 	default:
 		panic(util.AssertErr())
 	}
@@ -184,7 +173,3 @@ func (s *vfsShm) shmUnmap(delete bool) {
 		os.Remove(s.path)
 	}
 }
-
-func (s *vfsShm) shmEnableBlocking(block bool) {
-	s.blocking = block
-}