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CPU affinity on BSD platforms support.

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This commit is contained in:
David Carlier 2020-10-25 15:48:41 +00:00 committed by Qi Wang
parent 83f3294027
commit 11b6db7448
1 changed files with 24 additions and 4 deletions
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28
src/background_thread.c
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@ -82,13 +82,33 @@ static inline bool
set_current_thread_affinity(int cpu) {
#if defined(JEMALLOC_HAVE_SCHED_SETAFFINITY)
cpu_set_t cpuset;
#else
# ifndef __NetBSD__
cpuset_t cpuset;
# else
cpuset_t *cpuset;
# endif
#endif
#ifndef __NetBSD__
CPU_ZERO(&cpuset);
CPU_SET(cpu, &cpuset);
int ret = sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
return (ret != 0);
#else
return false;
cpuset = cpuset_create();
#endif
#if defined(JEMALLOC_HAVE_SCHED_SETAFFINITY)
return (sched_setaffinity(0, sizeof(cpu_set_t), &cpuset) != 0);
#else
# ifndef __NetBSD__
int ret = pthread_setaffinity_np(pthread_self(), sizeof(cpuset_t),
&cpuset);
# else
int ret = pthread_setaffinity_np(pthread_self(), cpuset_size(cpuset),
cpuset);
cpuset_destroy(cpuset);
# endif
return ret != 0;
#endif
}