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Add check for SYS_gettid support #119742

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Add check for SYS_gettid support #119742

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2 changes: 1 addition & 1 deletion llvm/lib/Support/Unix/Threading.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -140,7 +140,7 @@ uint64_t llvm::get_threadid() {
return uint64_t(getthrid());
#elif defined(__ANDROID__)
return uint64_t(gettid());
#elif defined(__linux__)
#elif defined(__linux__) && defined(SYS_gettid)
return uint64_t(syscall(SYS_gettid));
#else
return uint64_t(pthread_self());
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