xing/wp-go
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

optimize mutex lock fn

Browse Source
This commit is contained in:
xing 2023-12-28 20:42:11 +08:00
parent 568ab15a34
commit 12b75b9d82
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
cache/locks.go vendored
View File

@ -43,13 +43,16 @@ func (l *Locks[K]) GetLock(ctx context.Context, gMut *sync.Mutex, keys ...K) *sy
if ok {
return lo
}
num := l.numFn()
if num == 1 {
return gMut
}
gMut.Lock()
defer gMut.Unlock()
lo, ok = l.m.Load(k)
if ok {
return lo
}
num := l.numFn()
if num <= 0 {
lo = &sync.Mutex{}
l.m.Store(k, lo)