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-rw-r--r--include/bits/sigevent.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/bits/sigevent.h b/include/bits/sigevent.h
index b36e676c..ddf4c4d7 100644
--- a/include/bits/sigevent.h
+++ b/include/bits/sigevent.h
@@ -3,6 +3,8 @@
#ifndef __BITS_SIGEVENT_H_
#error "Internal header — include the public API header instead."
+#else
+#undef __BITS_SIGEVENT_H_
#endif
union sigval {