Re: [boost] ARM help needed

From: Rene Rivera (grafikrobot_at_[hidden])
Date: 2008-04-09 19:10:11

Peter Dimov wrote:
> What happens when you change...
> 
>>    bool try_lock()
>>    {
>>        int r;
>>
>>        __asm__ __volatile__(
>>            "swp %0, %1, [%2]":
>>            "=r"( r ): // outputs
> 
> ... this line to
> 
>              "=&r"( r ): // outputs

Bingo!

====
coda$ ./spinlock_test
// sp.lock();
// sp2.lock();
// sp.unlock();
// sp2.unlock();
// scoped_lock...
// ...scoped_lock
coda$
====

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