Important bug fix. Fixed a bug that segmentation fault occurred when using more than two CPUs. This is because it is impossible to call pthread_join function twice against the same thread.
Important bug fix.
Fixed a bug that segmentation fault occurred when using more than two CPUs. This is because it is impossible to call pthread_join function twice against the same thread.

git-svn-id: 3507153f7f2a502978d43a270f21b34bb2e07470@1345 b31369ee-dac5-0310-8161-cccb92f82ee5

yuugata/MIST,svagionitis/MIST,yuugata/MIST,svagionitis/MIST,svagionitis/MIST,yuugata/MIST,svagionitis/MIST,yuugata/MIST