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  1. JDK
  2. JDK-8260694

(fc) Clarify FileChannel.transferFrom to better describe "no bytes available" case

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    • Icon: Enhancement Enhancement
    • Resolution: Fixed
    • Icon: P4 P4
    • 17
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    • core-libs
    • b11

      Background in JDK-8260486, and discussion in https://mail.openjdk.java.net/pipermail/nio-dev/2021-January/008094.html

      The proposal is to add a note to the transferFrom API docs to make it clearer a returning value of 0, meaning no bytes available, is ambiguous when the source channel is configured non-blocking. It could mean the source channel is at EOF or could mean that there are just no bytes available without blocking.

            mli Hamlin Li
            mli Hamlin Li
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