update reflect/unsafe.String thing.

This commit is contained in:
fiatjaf
2024-01-01 10:15:06 -03:00
parent 7692f1c148
commit 3afa6fc5f6
2 changed files with 11 additions and 12 deletions

View File

@@ -1,7 +1,6 @@
package nostr
import (
"reflect"
"sync"
"unsafe"
@@ -17,8 +16,8 @@ var namedMutexPool = make([]sync.Mutex, MAX_LOCKS)
func memhash(p unsafe.Pointer, h, s uintptr) uintptr
func namedLock(name string) (unlock func()) {
ss := (*reflect.StringHeader)(unsafe.Pointer(&name))
idx := uint64(memhash(unsafe.Pointer(ss.Data), 0, uintptr(ss.Len))) % MAX_LOCKS
sptr := unsafe.StringData(name)
idx := uint64(memhash(unsafe.Pointer(sptr), 0, uintptr(len(name)))) % MAX_LOCKS
namedMutexPool[idx].Lock()
return namedMutexPool[idx].Unlock
}