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Rename cpuset_t to cpu_set_t which is the type used in some non-standard Linux/GNU interfaces. Move definitions of cpu_set_t to include/sys/types.h. Add prototypes for sched_setaffinity(), sched_getaffinity(), pthread_attr_setaffinity_np(), pthread_attr_getaffinity_np(), pthread_setaffinity_np(), and pthread_getaffinity_np(). No implementation is yet in place.

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This commit is contained in:
Gregory Nutt
2016-02-19 15:57:07 -06:00
parent 050b3ee06a
commit 72d3920295
10 changed files with 51 additions and 22 deletions
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include/pthread.h
+19
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@@ -290,6 +290,16 @@ int pthread_attr_setinheritsched(FAR pthread_attr_t *attr,
int pthread_attr_getinheritsched(FAR const pthread_attr_t *attr,
FAR int *inheritsched);
#ifdef CONFIG_SMP
/* Set or obtain thread affinity attributes */
int pthread_attr_setaffinity_np(FAR pthread_attr_t *attr,
size_t cpusetsize,
FAR const cpu_set_t *cpuset);
int pthread_attr_getaffinity_np(FAR const pthread_attr_t *attr,
size_t cpusetsize, cpu_set_t *cpuset);
#endif
/* Set or obtain the default stack size */
int pthread_attr_setstacksize(FAR pthread_attr_t *attr, long stacksize);
@@ -346,6 +356,15 @@ int pthread_setschedparam(pthread_t thread, int policy,
FAR const struct sched_param *param);
int pthread_setschedprio(pthread_t thread, int prio);
/* Thread affinity */
#ifdef CONFIG_SMP
int pthread_setaffinity_np(pthread_t thread, size_t cpusetsize,
FAR const cpu_set_t *cpuset);
int pthread_getaffinity_np(pthread_t thread, size_t cpusetsize,
FAR cpu_set_t *cpuset);
#endif
/* Thread-specific Data Interfaces */
int pthread_key_create(FAR pthread_key_t *key,