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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 a43f8887e3..5ff94e0d25 100644
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -240,12 +240,14 @@ extern int sigaction (int __sig, const struct sigaction *__restrict __act,
 extern int sigpending (sigset_t *__set) __THROW __nonnull ((1));
 
 
+# ifdef __USE_POSIX199506
 /* Select any of pending signals from SET or wait for any to arrive.
 
    This function is a cancellation point and therefore not marked with
    __THROW.  */
 extern int sigwait (const sigset_t *__restrict __set, int *__restrict __sig)
      __nonnull ((1, 2));
+# endif /* Use POSIX 1995.  */
 
 # ifdef __USE_POSIX199309
 /* Select any of pending signals from SET and place information in INFO.