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    Subject[PATCH] libaio-0.3.96 fix io_queue_wait compatibility
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    Date
    libaio-0.3.96 fixes the dynamic linking problem I was having with
    libaio-0.3.93, still it has broken backward compatibility with
    io_queue_wait(). Here's patch that fixes it. I've tested binaries
    compiled with libaio-0.3.13 and run them on libaio-0.3.96+patch on
    2.6.0-test2-mm4.

    Daniel

    diff -rupN -X /home/daniel/dontdiff libaio-0.3.96/src/compat-0_1.c libaio-0.3.96.fix/src/compat-0_1.c
    --- libaio-0.3.96/src/compat-0_1.c 2003-05-20 08:54:50.000000000 -0700
    +++ libaio-0.3.96.fix/src/compat-0_1.c 2003-08-21 17:16:46.000000000 -0700
    @@ -38,9 +38,12 @@ int compat0_1_io_cancel(io_context_t ctx
    }

    SYMVER(compat0_1_io_queue_wait, io_queue_wait, 0.1);
    -int compat0_1_io_queue_wait(io_context_t ctx, struct iocb *iocb, const struct timespec *when)
    +int compat0_1_io_queue_wait(io_context_t ctx, const struct timespec *when)
    {
    - return -ENOSYS;
    + struct timespec timeout;
    + if (when)
    + timeout = *when;
    + return io_getevents(ctx, 0, 0, NULL, when ? &timeout : NULL);
    }

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