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-rw-r--r--include/signal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/signal.h b/include/signal.h
index d58d053eca..3d6a8ee0de 100644
--- a/include/signal.h
+++ b/include/signal.h
@@ -23,6 +23,8 @@ extern int __sigvec (int __sig, __const struct sigvec *__vec,
 extern int __sigreturn (struct sigcontext *__scp);
 extern int __sigaltstack (__const struct sigaltstack *__ss,
 			  struct sigaltstack *__oss);
+extern int __libc_sigaction (int sig, const struct sigaction *act,
+			     struct sigaction *oact);
 
 /* Allocate real-time signal with highest/lowest available priority.  */
 extern int __libc_allocate_rtsig (int __high);