http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58642
--- Comment #10 from vincenzo Innocente <vincenzo.innocente at cern dot ch> ---
seems working
[innocent@olsnba04 parallel]$ c++ -std=c++11 -Ofast -fopenmp simpleOMP.cpp
[innocent@olsnba04 parallel]$ ./a.out
max thread 32
[innocent@olsnba04 parallel]$ taskset -c 0-3 ./a.out
max thread 4
[innocent@olsnba04 parallel]$ taskset -c 0-3 strace ./a.out |& grep aff
sched_getaffinity(72698, 8, 0x855010) = -1 EINVAL (Invalid argument)
sched_getaffinity(72698, 128, { f, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}) = 128
[innocent@olsnba04 parallel]$ taskset -c 0-15 strace ./a.out | & grep aff
sched_getaffinity(72702, 8, 0x1b2e010) = -1 EINVAL (Invalid argument)
sched_getaffinity(72702, 128, { ffff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0 }) = 128
[innocent@olsnba04 parallel]$ strace ./a.out | & grep aff
sched_getaffinity(72705, 8, 0x25ff010) = -1 EINVAL (Invalid argument)
sched_getaffinity(72705, 128, { ffffffff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0 }) = 128
