Alexander Terekhov wrote:
Stefan Seefeld wrote:
hi there,
I'v been trying to find some info as to why semaphores
are considered harmful by the boost::thread authors,
without luck. Is there any concise text describing
the problem ?
Well,
http://www.boost.org/libs/thread/doc/faq.html#question10
well, that doesn't say anything but that it is error-prone.
All I'm trying to find out is: why ?
I'v been using semaphores for years and can't think of
what should be wrong with it.
http://google.com/groups?threadm=3CEB6073.ACBCFD17%40web.de
http://google.com/groups?threadm=c29b5e33.0202011147.98b216e%40posting.google.com
I'm still not convinced. You are comparing semaphores with
mutexes, when you should compare semaphores with condition variables.
At least when argueing about efficiency.
Regards,
Stefan
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