eventfd manpage missing EFD_SEMAPHORE flag
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https://bugzilla.kernel.org/show_bug.cgi?id=14001
Michael Kerrisk <[email protected]> changed:
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--- Comment #1 from Michael Kerrisk <[email protected]> 2010-08-30 05:29:50 --- For man-pages-3.26, I added this text:
EFD_SEMAPHORE (since Linux 2.6.30)
Provide semaphore-like semantics for reads from the new file descriptor. See below.
...
* If EFD_SEMAPHORE was not specified and the
eventfd counter has a nonzero value, then aread(2) returns 8 bytes containing that value, and the counter's value is reset to zero.
* If EFD_SEMAPHORE was specified and the eventfd counter has a nonzero value, then a read(2) returns 8 bytes containing the value 1, and the counter's value is decremented by 1.
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https://bugzilla.kernel.org/show_bug.cgi?id=14001
Michael Kerrisk <[email protected]> changed:
What |Removed |Added
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Status|NEW |ASSIGNED
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https://bugzilla.kernel.org/show_bug.cgi?id=14001
Michael Kerrisk <[email protected]> changed:
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Status|ASSIGNED |RESOLVED
Resolution| |CODE_FIXSignature · 7 lines
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