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Re: [PATCH v2 2/6] thread.h: Fix Coverity version of qemu_cond_timedwait


From: Richard Henderson
Subject: Re: [PATCH v2 2/6] thread.h: Fix Coverity version of qemu_cond_timedwait()
Date: Fri, 20 Mar 2020 10:18:01 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

On 3/19/20 12:33 PM, Peter Maydell wrote:
> For Coverity's benefit, we provide simpler versions of functions like
> qemu_mutex_lock(), qemu_cond_wait() and qemu_cond_timedwait().  When
> we added qemu_cond_timedwait() in commit 3dcc9c6ec4ea, a cut and
> paste error meant that the Coverity version of qemu_cond_timedwait()
> was using the wrong _impl function, which makes the Coverity parser
> complain:
> 
> "/qemu/include/qemu/thread.h", line 159: warning #140: too many arguments in
>           function call
>       return qemu_cond_timedwait(cond, mutex, ms);
>              ^
> 
> "/qemu/include/qemu/thread.h", line 159: warning #120: return value type does
>           not match the function type
>       return qemu_cond_timedwait(cond, mutex, ms);
>              ^
> 
> "/qemu/include/qemu/thread.h", line 156: warning #1563: function
>           "qemu_cond_timedwait" not emitted, consider modeling it or review
>           parse diagnostics to improve fidelity
>   static inline bool (qemu_cond_timedwait)(QemuCond *cond, QemuMutex *mutex,
>                       ^
> 
> These aren't fatal, but reduce the scope of the analysis. Fix the error.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  include/qemu/thread.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Richard Henderson <address@hidden>

r~




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