xread: retry after poll on EAGAIN/EWOULDBLOCK

diff --git a/sigchain.h b/sigchain.h
index 618083bce0c66a551fd4d894b31520a67b25bac9..138b20f54b4017c1f38036935f483c628094affb 100644 (file)
--- a/sigchain.h
+++ b/sigchain.h
@@ -7,5 +7,6 @@ int sigchain_push(int sig, sigchain_fun f);
 int sigchain_pop(int sig);
 
 void sigchain_push_common(sigchain_fun f);
+void sigchain_pop_common(void);
 
 #endif /* SIGCHAIN_H */