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  1. JDK
  2. JDK-8043780

Use open(O_CLOEXEC) instead of fcntl(FD_CLOEXEC)

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    • Enhancement
    • Resolution: Fixed
    • P3
    • 9
    • 9
    • hotspot
    • None
    • b40
    • linux
    • Not verified

    Backports

      Description

        JDK should use O_CLOEXEC when available; faster and less racy than FD_CLOEXEC.

        O_CLOEXEC is standardized.
        http://pubs.opengroup.org/onlinepubs/9699919799/functions/open.html

        Backward compatibility needs to be provided via #ifdef and checking (once) whether O_CLOEXEC works.

        All the Unix variants should have very similar changes to their os::open code applied.

        Webrev: http://cr.openjdk.java.net/~martin/webrevs/openjdk9/O_CLOEXEC/

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8083477 Use open(O_CLOEXEC) instead of fcntl(FD_CLOEXEC)

            • P3 - Major loss of function.
            • Resolved

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                martin Martin Buchholz
                martin Martin Buchholz
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                  Created:
                  Updated:
                  Resolved: