internal/component: Further optimize initialization

pkg/rlock/rlock.go

@@ -1,53 +0,0 @@
-package rlock
-
-import (
-	"sync"
-	"time"
-)
-
-// RLock is like [sync.Mutex], but permits recursive locking.
-type RLock struct {
-	m sync.Mutex // m is held internally
-
-	held    bool
-	holder  int
-	counter uint64
-}
-
-// Lock acquires this lock with the given id, and blocks until it can be aquired.
-// Concurrent locks with the same ids do not block; however each should be unlocked with a call to unlock.
-func (rm *RLock) Lock(id int) {
-loop:
-	for {
-		rm.m.Lock()
-		switch {
-		case !rm.held:
-			rm.held = true
-			rm.holder = id
-			break loop
-		case rm.held && rm.holder == id:
-			break loop
-		}
-		rm.m.Unlock()
-		time.Sleep(time.Millisecond) // spinning!
-	}
-
-	rm.counter++
-	rm.m.Unlock()
-}
-
-// Unlock releases the lock
-func (rm *RLock) Unlock() {
-	rm.m.Lock()
-	defer rm.m.Unlock()
-
-	if !rm.held || rm.counter <= 0 {
-		panic("RLock: Unlock() without Lock()")
-	}
-
-	rm.counter--
-	if rm.counter == 0 {
-		rm.held = false
-		rm.holder = 0
-	}
-}