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Add mio_unsupported_force_waker_pipe cfg flag #1685

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merged 1 commit into from
Jun 25, 2023

Commits on Jun 25, 2023

  1. Add mio_unsupported_force_waker_pipe cfg flag

    This, unsupported, flag forces the Waker implementation to use the pipe
    implementation.
    
    This is required because some SGX runtimes like gramine do not have a
    secure emulation of the `eventfd` syscall, compiling with this flag will
    produce a more secure SGX application.
    
    See also:
    https://gramine.readthedocs.io/en/stable/manifest-syntax.html#allowing-eventfd
    
    Co-authored-by: Thomas de Zeeuw <thomasdezeeuw@gmail.com>
    haraldh and Thomasdezeeuw committed Jun 25, 2023
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