The effective user ID of the calling process must be that of the super-user or match the creator or owner of the semaphore set.
调用进程的有效用户ID必须是超级用户，或者可以与该信号量集的创建者或所有者匹配的用户。
The effective user ID of the calling process must be that of the super-user or match the creator or owner of the semaphore set.
调用进程的有效用户ID必须是超级用户，或者可以与该信号量集的创建者或所有者匹配的用户。
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