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    Subject[tip:timers/core] posix-timers: Define nanosleep not supported error separate
    Commit-ID:  65da528d7cc94966cf24d2a1e0837b689159b543
    Gitweb: http://git.kernel.org/tip/65da528d7cc94966cf24d2a1e0837b689159b543
    Author: Thomas Gleixner <tglx@linutronix.de>
    AuthorDate: Tue, 1 Feb 2011 13:51:01 +0000
    Committer: Thomas Gleixner <tglx@linutronix.de>
    CommitDate: Wed, 2 Feb 2011 15:28:11 +0100

    posix-timers: Define nanosleep not supported error separate

    Define the conditional nanosleep not supported error value outside of
    do_posix_clock_nonanosleep(). Preparatory patch for further cleanups.

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Acked-by: John Stultz <johnstul@us.ibm.com>
    Tested-by: Richard Cochran <richard.cochran@omicron.at>
    LKML-Reference: <20110201134417.643486574@linutronix.de>
    ---
    kernel/posix-timers.c | 14 +++++++++-----
    1 files changed, 9 insertions(+), 5 deletions(-)

    diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
    index 21b7ca2..89bff37 100644
    --- a/kernel/posix-timers.c
    +++ b/kernel/posix-timers.c
    @@ -81,6 +81,14 @@ static DEFINE_SPINLOCK(idr_lock);
    #error "SIGEV_THREAD_ID must not share bit with other SIGEV values!"
    #endif

    +/*
    + * parisc wants ENOTSUP instead of EOPNOTSUPP
    + */
    +#ifndef ENOTSUP
    +# define ENANOSLEEP_NOTSUP EOPNOTSUPP
    +#else
    +# define ENANOSLEEP_NOTSUP ENOTSUP
    +#endif

    /*
    * The timer ID is turned into a timer address by idr_find().
    @@ -937,11 +945,7 @@ EXPORT_SYMBOL_GPL(do_posix_clock_nosettime);
    int do_posix_clock_nonanosleep(const clockid_t clock, int flags,
    struct timespec *t, struct timespec __user *r)
    {
    -#ifndef ENOTSUP
    - return -EOPNOTSUPP; /* aka ENOTSUP in userland for POSIX */
    -#else /* parisc does define it separately. */
    - return -ENOTSUP;
    -#endif
    + return -ENANOSLEEP_NOTSUP;
    }
    EXPORT_SYMBOL_GPL(do_posix_clock_nonanosleep);


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