An attempt to take a counting semaphore is blocked only if all of the available resources are in use.
An attempt to take a counting semaphore is blocked only if all of the available resources are in use.
仅仅在所有可用的资源都被用完了时才阻塞。
An attempt to take a counting semaphore is blocked only if all of the available resources are in use.
仅仅在所有可用的资源都被用完了时才阻塞。