Limiting the wait time and sending an alert on an error return code would be a very good thing to add.

限制这个等待时间，并发送关于一个错误返回码的警报，是非常有必要增加的一个功能。

youdao

This command immediately removes the semaphore set and its data structures, awakening all waiting processes (with an error return and errno set to EIDRM).

这个命令将立即删除信号量集及其数据结构，并唤醒所有正在等待的进程(如果发生错误，则返回，并将errno设置为EIDRM)。

youdao

Also note that there is no error return.

另外要注意fwide函数不会返回错误。

youdao

Zero tracking error trumps total return as the performance standard.

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At 0-40 down and serving for the set, he looked less than accomplished however, until two forehand winners and a return error from the Spaniard drew the game level.

BBC: Henman eases through

Callaway argued that the KPMG approach was needed only if it had committed an error in setting up the fund--and that a change in return estimates wasn't an error.

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