Re: [boost] Boost API System or Library Calls ..

Actually, I am looking for having minimal usages of SYSTEM CALLS to lessen CONTEXT SWITCHING. So, I wish to differentiate. YES, Andrey Semashev until unless this is obvious or explicitly documented one can't know. Thanks On Wed, Nov 6, 2013 at 11:38 AM, Andrey Semashev wrote:

On Wed, Nov 6, 2013 at 9:23 AM, Rahul Mathur wrote:

...

Out of curiosity, wish to know if BOOST ASIO calls like -

boost::asio::read() boost::asio::transfer_all() boost::asio::write()

BOOST LEXICAL calls like - boost::lexical_caststd::string()

BOOST POSIX TIME calls like - boost::posix_time::microsec_clock::universal_time() boost::posix_time::microsec_clock::ptime()

are LIBRARY or SYSTEM calls.

How to know which calls of BOOST are SYSTEM and LIBRARY calls?

In general you cannot know which library APIs involve system calls (unless this is obvious or explicitly documented). Even if the library only uses STL, there is no guarantee STL does not involve system calls.

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