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Default all threads to a core?

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linux-howto

http://stackoverflow.com – I specified a cpuset X with core 2-11, and taskset --cpu-list 2. It seems like if I run a process with taskset nested with cpuset X, then sched_getaffinity() only sees core #2 available. My question is that is there a way to achieve the followings: - default all threads in a process to 1 core, AND - the process is "protected" by cpuset (so that no other processes will use the set of cores specified), AND - I can still set the cpu affinities for some threads programmatically (I know how this can be done with pthread_attr_setaffinity_np())? Thanks in advance. (HowTos)