Add Open() options, flock timeout.

This commit changes Open() to provide an additional Options argument. The options
argument currently only has a Timeout which will cause the Open() to return
ErrTimeout if a file lock cannot be obtained in time.

Fixes #207.

1 files changed, 2 insertions, 1 deletions

diff --git a/bolt_windows.go b/bolt_windows.go
index 8300d40..fc77968 100644
--- a/bolt_windows.go
+++ b/bolt_windows.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 	"syscall"
+	"time"
 	"unsafe"
 )
 
@@ -15,7 +16,7 @@ func fdatasync(f *os.File) error {
 }
 
 // flock acquires an advisory lock on a file descriptor.
-func flock(f *os.File) error {
+func flock(f *os.File, _ time.Duration) error {
 	return nil
 }