The SYSLOG_ACTION_READ command is used to block until log messages are available, and then return them in the provided buffer.

SYSLOG_ACTION _ READ用于阻塞操作，直至日志消息到达后才释放该操作，然后将它们返回到所提供的缓冲区。

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Using the key you can drop the membership, block and unblock datagrams from certain addresses, and return information about the group and channel.

利用该键，您可丢弃组成员、阻塞或者取消阻塞来自特定地址的数据报、以及返回有关组和通道的消息。

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If an interrupt keeps coming in and there is no registered handler for that device (for instance, all drivers return IRQ_NONE), then the kernel can block interrupts from that device.

如果一个中断请求不断到来而且没有注册那个设备的处理程序(例如，所有的驱动程序都返回IRQ_NONE)，内核就会忽略来自那个设备的中断。

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We believe the rule will effectively block the return of risky product features and inadequate documentation.

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Citigroup, meanwhile, saw the Fed block its capital-return plan, just as it did in 2011 to BofA, which did not even propose raising its dividend or buying back stock in 2012.

FORBES: Earnings: Are Big Banks Like JPMorgan Ready To Rock, Or Roll Over?

Hours after ECOWAS' announcement, the U.S. State Department announced that it was imposing sanctions on travel to the United States on people "who block Mali's return to civilian rule and a democratically elected government" and on their immediate relatives.

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