commit 8f5a3ec649a3b46093c8a8140bbd91f21236fde6
author Brad Smith <brad@comstyle.com> Mon Apr 07 15:15:12 2025 -0400
committer GitHub <noreply@github.com> Mon Apr 07 15:15:12 2025 -0400
tree 375dc380a6a6dbb4344e388405725612775f0f6c
parent 10bef367a5643bc41d0172b02e080645c68f821a

[sanitizer_common] Use HW_NCPUONLINE sysctl on NetBSD in GetNumberOfCPUs() (#134704)

compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
index e5e79d4..ffd2409 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -840,7 +840,11 @@
   int req[2];
   uptr len = sizeof(ncpu);
   req[0] = CTL_HW;
+#    ifdef HW_NCPUONLINE
+  req[1] = HW_NCPUONLINE;
+#    else
   req[1] = HW_NCPU;
+#    endif
   CHECK_EQ(internal_sysctl(req, 2, &ncpu, &len, NULL, 0), 0);
   return ncpu;
 #  elif SANITIZER_SOLARIS