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Add a CPU affinity set to the TCB if SMP is enable and use this CPU set as a mask for determining which CPUs the thread may run on. Add an affinity field to the attrributes to permit controlling which CPUs a pthread may run on. Implements pthread_att_setaffinity_np() and pthread_attr_getaffinity_np().

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Gregory Nutt
2016-02-19 17:33:35 -06:00
parent 2075eb7932
commit a633353ec3
28 changed files with 174 additions and 355 deletions
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@@ -11505,3 +11505,11 @@
pthread_attr_setaffinity_np(), pthread_attr_getaffinity_np(),
pthread_setaffinity_np(), and pthread_getaffinity_np(). No implementation
is yet in place (2016-02-19).
* sched/sched_cpuselect.c, include/nuttx/sched.h, and other files. Add
a CPU affinity set to the TCB if SMP is enabled and use this CPU set as
a mask for determining which CPUs the thread may run on (2016-02-19).
* libc/pthread, sched/pthread/pthread_start.c, and include/pthread.h:
Add an affinity field to the attrributes to permit controlling
which CPUs a pthread may run on. Implements pthread_att_setaffinity_np()
and pthread_attr_getaffinity_np() (2016-02-19).