fix public clone function to be safe and usable by applications

[musl] / src / internal / ksigaction.h

diff --git a/src/internal/ksigaction.h b/src/internal/ksigaction.h
index 8ebd593..ef333f3 100644 (file)
--- a/src/internal/ksigaction.h
+++ b/src/internal/ksigaction.h
@@ -6,8 +6,13 @@
 struct k_sigaction {
        void (*handler)(int);
        unsigned long flags;
+#ifdef SA_RESTORER
        void (*restorer)(void);
+#endif
        unsigned mask[2];
+#ifndef SA_RESTORER
+       void *unused;
+#endif
 };
 
 hidden void __restore(), __restore_rt();