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-rw-r--r--hurd/hurd/signal.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/hurd/hurd/signal.h b/hurd/hurd/signal.h
index 1d9c7d8cd7..5ee95acd09 100644
--- a/hurd/hurd/signal.h
+++ b/hurd/hurd/signal.h
@@ -42,6 +42,11 @@
#include <spin-lock.h>
#include <hurd/threadvar.h> /* We cache sigstate in a threadvar. */
struct hurd_signal_preemptor; /* <hurd/sigpreempt.h> */
+#if defined __USE_EXTERN_INLINES && defined _LIBC
+# if IS_IN (libc) || IS_IN (libpthread)
+# include <sigsetops.h>
+# endif
+#endif
/* Full details of a signal. */