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I think that atomicity for printf is provided for threads. I read that this is provided in libc by a using a thread-lock mechanism. That is fine. But I wonder has this been extended to provide atomicity for printf between processes. I think that atomicity between processes would have to be done in the driver that actually does the outputting to the console, the disk or whatever.

本文标签： Does Linux guarantee atomicity of printf across processesStack Overflow

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