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-rw-r--r--signal/signal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/signal/signal.h b/signal/signal.h
index 2ae76a1f37..3f6373ee75 100644
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -348,7 +348,9 @@ extern int sigignore (int __sig) __THROW;
 
 /* Set the disposition of SIG.  */
 extern __sighandler_t sigset (int __sig, __sighandler_t __disp) __THROW;
+#endif
 
+#if defined __USE_POSIX199506 || defined __USE_UNIX98
 /* Some of the functions for handling signals in threaded programs must
    be defined here.  */
 # include <bits/sigthread.h>