affinity.h

Go to the documentation of this file.

 
#ifndef AFFINITY_H
#define AFFINITY_H
 
#include <pthread.h>            /* pthread_* */
#include "../config.h"          /* HAVE_PTHREAD_ATTR_SETAFFINITY_NP */
 
#ifndef HAVE_PTHREAD_ATTR_SETAFFINITY_NP
 
// #include <mach/mach.h>
// #include <mach/thread_policy.h>
 
#define CPU_ZERO(PTR) (*(PTR) = 0)
#define CPU_SET(N, PTR) (*(PTR) = (N))
#define pthread_attr_setaffinity_np(ATTR, SZ, PTR) setaffinity(ATTR, SZ, PTR)
#define sched_setaffinity(A, SZ, PTR) setaffinity(A, SZ, PTR)
 
typedef int cpu_set_t;
 
static int 
setaffinity(pthread_attr_t *attr, size_t cpusetsize, const cpu_set_t *cpuset);
 
int 
setaffinity(pthread_attr_t *attr, size_t cpusetsize, const cpu_set_t *cpuset)
{
    /* Not implemented */
    /*
    int tid = *cpuset;
    thread_affinity_policy ap;
    ap.affinity_tag = tid;
 
    int ret = thread_policy_set(
                                  pthread_mach_thread_np(tid),
                                  THREAD_AFFINITY_POLICY,
                                  (integer_t*) &ap,
                                  THREAD_AFFINITY_POLICY_COUNT
                                );
    return ret;
    */
 
    return 0;
 
}
 
#endif
 
#endif /* AFFINITY_H */