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Use pthread_attr_setaffinity_np only on glibc #10045

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Merged
Axel-Naumann merged 1 commit into from
Mar 10, 2022
Merged

Use pthread_attr_setaffinity_np only on glibc #10045

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6 changes: 3 additions & 3 deletions core/thread/src/TPosixThread.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -37,13 +37,13 @@ Int_t TPosixThread::Run(TThread *th, const int affinity)
pthread_attr_init(attr);

if (affinity >= 0) {
#ifdef R__MACOSX
Warning("Run", "Affinity setting not yet implemented on MacOS");
#else
#ifdef __GLIBC__
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
CPU_SET(affinity, &cpuset);
pthread_attr_setaffinity_np(attr, sizeof(cpu_set_t), &cpuset);
#else
Warning("Run", "Affinity setting not yet implemented on this platform");
#endif
}

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