Add cpu affinity APIs to get and set thread's cpu affinity mask, the

functions are intented to be are compatible with glibc.

1 files changed, 7 insertions, 0 deletions

diff --git a/include/pthread_np.h b/include/pthread_np.h
index 504c83bd0f21..b969988c350d 100644
--- a/include/pthread_np.h
+++ b/include/pthread_np.h
@@ -31,6 +31,9 @@
 #ifndef _PTHREAD_NP_H_
 #define _PTHREAD_NP_H_
 
+#include <sys/param.h>
+#include <sys/cpuset.h>
+
 /*
  * Non-POSIX type definitions:
  */
@@ -42,6 +45,9 @@ typedef void	(*pthread_switch_routine_t)(pthread_t, pthread_t);
 __BEGIN_DECLS
 int pthread_attr_setcreatesuspend_np(pthread_attr_t *);
 int pthread_attr_get_np(pthread_t, pthread_attr_t *);
+int pthread_attr_getaffinity_np(const pthread_attr_t *, size_t, cpuset_t *);
+int pthread_attr_setaffinity_np(pthread_attr_t *, size_t, const cpuset_t *);
+int pthread_getaffinity_np(pthread_t, size_t, cpuset_t *);
 int pthread_main_np(void);
 int pthread_multi_np(void);
 int pthread_mutexattr_getkind_np(pthread_mutexattr_t);
@@ -54,6 +60,7 @@ int pthread_mutex_setspinloops_np(pthread_mutex_t *mutex, int count);
 int pthread_mutex_getyieldloops_np(pthread_mutex_t *mutex, int *count);
 int pthread_mutex_setyieldloops_np(pthread_mutex_t *mutex, int count);
 int pthread_mutex_isowned_np(pthread_mutex_t *mutex);
+int pthread_setaffinity_np(pthread_t, size_t, const cpuset_t *);
 int pthread_single_np(void);
 void pthread_suspend_all_np(void);
 int pthread_suspend_np(pthread_t);