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Re: [Qemu-devel] [patch 1/2] qemu: sem/thread helpers
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From: |
Marcelo Tosatti |
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Subject: |
Re: [Qemu-devel] [patch 1/2] qemu: sem/thread helpers |
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Date: |
Tue, 17 Mar 2009 14:42:17 -0300 |
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User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Sun, Mar 15, 2009 at 04:15:52PM +0200, Avi Kivity wrote:
> Marcelo Tosatti wrote:
>> +
>> +struct QemuSem {
>> + sem_t sema;
>> +};
>>
>
> Why aren't you using pthread_mutex_t?
Because we want the thread waiting on the lock to be awakened
once the holder releases it. This does not happen with pthread
mutexes AFAIK.
[Qemu-devel] [patch 2/2] qemu: separate thread for io, Marcelo Tosatti, 2009/03/11