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Le 14/02/2012 12:15, Michael Schnell a écrit :
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On 02/14/2012 11:40 AM, Henry Vermaak wrote:
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Look into the pthread man pages for info. I<br>
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Usual pthread<small>_</small>mutex() functions are designed for
working within a single process and thus will use Futex, if
available and thus will not work system-wide. I don't know if
pthreadlib offers an option for system wide Mutexes.<br>
<br>
System 5 named semaphores (sem_open() and friends) are designed to
work system wide and (AFAI remember) don’t need any userspace
memory resources. <br>
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Yeap. But <b>sem_open() </b>seems not to be in my current Lazarus
installation. I could define it mysel AFAI know whivh libtaty to
use.<br>
<blockquote cite="mid:4F3A4264.8040405@lumino.de" type="cite"> <br>
-Michael<br>
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