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    SubjectRe: [PATCH 6/6] ipc/sem.c: make semctl(,,{GETNCNT,GETZCNT}) standard compliant
    On Sun, 18 May 2014 09:58:37 +0200 Manfred Spraul <manfred@colorfullife.com> wrote:

    > SUSv4 clearly defines how semncnt and semzcnt must be calculated:
    > A task waits on exactly one semaphore:
    > The semaphore from the first operation in the sop array that cannot proceed.
    >
    > The Linux implementation never followed the standard, it tried to count all
    > semaphores that might be the reason why a task sleeps.
    >
    > This patch fixes that.

    What are the back-compatibility implications of this change?


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