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-rw-r--r--include/signal.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/signal.h b/include/signal.h
index a4e6133f7791..aea7322b63a3 100644
--- a/include/signal.h
+++ b/include/signal.h
@@ -55,6 +55,11 @@ int sigdelset __P((sigset_t *, int));
int sigemptyset __P((sigset_t *));
int sigfillset __P((sigset_t *));
int sigismember __P((const sigset_t *, int));
+#ifndef _POSIX_SOURCE
+struct timespec;
+int signanosleep __P((const struct timespec *, struct timespec *,
+ sigset_t *));
+#endif
int sigpending __P((sigset_t *));
int sigprocmask __P((int, const sigset_t *, sigset_t *));
int sigsuspend __P((const sigset_t *));