Fix and relax locking

This commit is contained in:
Audrius Butkevicius 2014-11-03 21:02:55 +00:00
parent 3daa26e1f7
commit 76900ae291

View File

@ -733,14 +733,13 @@ func (m *Model) ConnectedTo(deviceID protocol.DeviceID) bool {
func (m *Model) GetIgnores(folder string) ([]string, error) {
var lines []string
m.fmut.RLock()
cfg, ok := m.folderCfgs[folder]
m.fmut.RUnlock()
if !ok {
return lines, fmt.Errorf("Folder %s does not exist", folder)
}
m.fmut.Lock()
defer m.fmut.Unlock()
fd, err := os.Open(filepath.Join(cfg.Path, ".stignore"))
if err != nil {
if os.IsNotExist(err) {
@ -1239,10 +1238,9 @@ func (m *Model) Override(folder string) {
// This is guaranteed to increment if the contents of the local folder has
// changed.
func (m *Model) CurrentLocalVersion(folder string) uint64 {
m.fmut.Lock()
defer m.fmut.Unlock()
m.fmut.RLock()
fs, ok := m.folderFiles[folder]
m.fmut.RUnlock()
if !ok {
// The folder might not exist, since this can be called with a user
// specified folder name from the REST interface.
@ -1256,8 +1254,8 @@ func (m *Model) CurrentLocalVersion(folder string) uint64 {
// sent by remote peers. This is guaranteed to increment if the contents of
// the remote or global folder has changed.
func (m *Model) RemoteLocalVersion(folder string) uint64 {
m.fmut.Lock()
defer m.fmut.Unlock()
m.fmut.RLock()
defer m.fmut.RUnlock()
fs, ok := m.folderFiles[folder]
if !ok {
@ -1275,10 +1273,9 @@ func (m *Model) RemoteLocalVersion(folder string) uint64 {
}
func (m *Model) availability(folder string, file string) []protocol.DeviceID {
m.fmut.Lock()
defer m.fmut.Unlock()
m.fmut.RLock()
fs, ok := m.folderFiles[folder]
m.fmut.RUnlock()
if !ok {
return nil
}