AmzObjectLockRetainUntilDate     = "X-Amz-Object-Lock-Retain-Until-Date"
	AmzObjectLockMode                = "X-Amz-Object-Lock-Mode"
	AmzObjectLockLegalHold           = "X-Amz-Object-Lock-Legal-Hold"
)

var (
	// ErrMalformedBucketObjectConfig -indicates that the bucket object lock config is malformed
	ErrMalformedBucketObjectConfig = errors.New("invalid bucket object lock config")

func (r *RingBuffer) Reset() {
	r.mu.Lock()
	defer r.mu.Unlock()

	// Set error so any readers/writers will return immediately.
	r.setErr(errors.New("reset called"), true)
	if r.block {
		r.readCond.Broadcast()
		r.writeCond.Broadcast()
	}

	// Unlock the mutex so readers/writers can finish.
	r.mu.Unlock()
	r.wg.Wait()
	r.mu.Lock()
	r.r = 0
	r.w = 0
	r.err = nil

	// returned when “the lock is blocked by a lock from another process”.
	// If that process is blocked on some lock that we are holding, then the
	// resulting livelock is due to a real deadlock (and would manifest as such
	// when using, for example, the flock implementation of this package).
	// If the other process is *not* blocked on some other lock that we are
	// holding, then it will eventually release the requested lock.

// LockArgs is minimal required values for any dsync compatible lock operation.
type LockArgs struct {
	// Unique ID of lock/unlock request.
	UID string

	// Resources contains single or multiple entries to be locked/unlocked.
	Resources []string

	// Source contains the line number, function and file name of the code
	// on the client node that requested the lock.
	Source string

Michael Matloob <******@****.***> 1708031260 -0500

	writeLock lockType = syscall.LOCK_EX
)

func lock(f File, lt lockType) (err error) {
	for {
		err = syscall.Flock(int(f.Fd()), int(lt))
		if err != syscall.EINTR {
			break
		}
	}
	if err != nil {
		return &fs.PathError{
			Op:   lt.String(),
			Path: f.Name(),
			Err:  err,
		}
	}
	return nil
}

func unlock(f File) error {
	return lock(f, syscall.LOCK_UN)

            }
            start {
                coordinationService.withStateLock(lock(resource))
                instant.locked
                thread.blockUntil.worker1Started
                registry.runAsWorkerThread {
                    thread.block()
                    instant.unlocked
                    coordinationService.withStateLock(unlock(resource))
                }
            }
        }

        then:

		select {
		case <-c1:
		case <-c2:
		}
	}()
	var mu sync.Mutex
	mu.Lock()
	go func() { // func7
		mu.Lock()
		mu.Unlock()
	}()
	var wg sync.WaitGroup
	wg.Add(1)
	go func() { // func8
		wg.Wait()
	}()
	cv := sync.NewCond(&sync.Mutex{})
	go func() { // func9
		cv.L.Lock()
		cv.Wait()
		cv.L.Unlock()
	}()
	ln, err := net.Listen("tcp", "127.0.0.1:0")
	if err != nil {

// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package syscall

import "unsafe"

// On AIX, there is no flock() system call.

// FcntlFlock performs a fcntl syscall for the [F_GETLK], [F_SETLK] or [F_SETLKW] command.
func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) (err error) {

type targets struct {
	tail         *targets // rest of stack
	_break       *Block
	_continue    *Block
	_fallthrough *Block
}

// Destinations associated with a labeled block.
// We populate these as labels are encountered in forward gotos or
// labeled statements.
type lblock struct {
	_goto     *Block
	_break    *Block
	_continue *Block
}

// labeledBlock returns the branch target associated with the