Function lock

packages/opencode/src/tool/edit.ts:37–45

(filePath: string)

const locks = new Map<string, Semaphore.Semaphore>()

function lock(filePath: string) {
  const resolvedFilePath = FSUtil.resolve(filePath)
  const hit = locks.get(resolvedFilePath)
  if (hit) return hit

  const next = Semaphore.makeUnsafe(1)
  locks.set(resolvedFilePath, next)
  return next
}

export const Parameters = Schema.Struct({
  filePath: Schema.String.annotate({ description: "The absolute path to the file to modify" }),