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Multicast address config lost

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Operating Systems Solaris Multicast address config lost
# 1  
Old 11-15-2009
Multicast address config lost
On Solaris OS, We use the following command to config the multicast address for NIC in order to process the multicast packets:
# route add 228.228.228.228 10.101.10.2
Where " 228.228.228.228 " is the multicast for specified NIC ip 10.101.10.2 .
Also use the netstat -nr, the above set could been displayed as the following:
Code:
Routing Table: IPv4
  Destination           Gateway           Flags  Ref     Use     Interface 
-------------------- -------------------- ----- ----- ---------- --------- 
228.228.228.228             10.101.10.2          U         1       1020 e1000g0

In our program, we use the function:
setsockopt(sockfd,IPPROTO_IP,IP_ADD_MEMBERSHIP,&mreq,sizeof(mreq)) to
join the multicast group and receive the packets.
At the begining, all runs ok. But after about two days later, the multicast address 228.228.228.228 was lost, which cause our program run unnormmally.
What confuse us is that the above phenomena do not exist on the other UNIX/Linux OS. anyone can fix it,thanks.
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__gnu_parallel::__inner_product_selector

__gnu_parallel::__inner_product_selector< _It, _It2, _Tp >(3)Library Functions Manual__gnu_parallel::__inner_product_selector< _It, _It2, _Tp >(3)

NAME

       __gnu_parallel::__inner_product_selector< _It, _It2, _Tp > -

SYNOPSIS

       Inherits __gnu_parallel::__generic_for_each_selector< _It >.

   Public Member Functions
       __inner_product_selector (_It __b1, _It2 __b2)
       template<typename _Op > _Tp operator() (_Op __mult, _It __current)

   Public Attributes
       _It __begin1_iterator
       _It2 __begin2_iterator
       _It _M_finish_iterator

Detailed Description
   template<typename _It, typename _It2, typename _Tp>struct __gnu_parallel::__inner_product_selector< _It, _It2, _Tp >
       std::inner_product() selector.

       Definition at line 222 of file for_each_selectors.h.

Constructor &; Destructor Documentation
   template<typename _It , typename _It2 , typename _Tp > __gnu_parallel::__inner_product_selector< _It, _It2, _Tp >::__inner_product_selector
       (_It__b1, _It2__b2) [inline],  [explicit]
       Constructor.

       Parameters:
	   __b1 Begin iterator of first sequence.
	   __b2 Begin iterator of second sequence.

       Definition at line 234 of file for_each_selectors.h.

Member Function Documentation
   template<typename _It , typename _It2 , typename _Tp > template<typename _Op > _Tp __gnu_parallel::__inner_product_selector< _It, _It2, _Tp
       >::operator() (_Op__mult, _It__current) [inline]
       Functor execution.

       Parameters:
	   __mult Multiplication functor.
	   __current iterator referencing object.

       Returns:
	   Inner product elemental __result.

       Definition at line 243 of file for_each_selectors.h.

       References __gnu_parallel::__inner_product_selector< _It, _It2, _Tp >::__begin1_iterator, and __gnu_parallel::__inner_product_selector<
       _It, _It2, _Tp >::__begin2_iterator.

Member Data Documentation
   template<typename _It , typename _It2 , typename _Tp > _It __gnu_parallel::__inner_product_selector< _It, _It2, _Tp >::__begin1_iterator
       Begin iterator of first sequence.

       Definition at line 225 of file for_each_selectors.h.

       Referenced by __gnu_parallel::__inner_product_selector< _It, _It2, _Tp >::operator()().

   template<typename _It , typename _It2 , typename _Tp > _It2 __gnu_parallel::__inner_product_selector< _It, _It2, _Tp >::__begin2_iterator
       Begin iterator of second sequence.

       Definition at line 228 of file for_each_selectors.h.

       Referenced by __gnu_parallel::__inner_product_selector< _It, _It2, _Tp >::operator()().

   template<typename _It > _It __gnu_parallel::__generic_for_each_selector< _It >::_M_finish_iterator [inherited]
       _Iterator on last element processed; needed for some algorithms (e. g. std::transform()).

       Definition at line 47 of file for_each_selectors.h.

Author
       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++							  Tue Jun 10 2014    __gnu_parallel::__inner_product_selector< _It, _It2, _Tp >(3)