--- base/threading/platform_thread_internal_posix.cc.orig	2025-10-21 20:19:54 UTC
+++ base/threading/platform_thread_internal_posix.cc
@@ -31,10 +31,19 @@ int GetCurrentThreadNiceValue() {
 }
 
 int GetCurrentThreadNiceValue() {
+#if BUILDFLAG(IS_BSD)
+  NOTIMPLEMENTED();
+  return 0;
+#else
   return GetThreadNiceValue(PlatformThreadId{0});
+#endif
 }
 
 int GetThreadNiceValue(PlatformThreadId id) {
+#if BUILDFLAG(IS_BSD)
+  NOTIMPLEMENTED();
+  return 0;
+#else
   // Need to clear errno before calling getpriority():
   // http://man7.org/linux/man-pages/man2/getpriority.2.html
   errno = 0;
@@ -46,6 +55,7 @@ int GetThreadNiceValue(PlatformThreadId id) {
   }
 
   return nice_value;
+#endif
 }
 
 }  // namespace base::internal