[MINOR] add basic signal handling functions
These functions will be used to deliver asynchronous signals in order
to make the signal handling functions more robust. The goal is to keep
the same interface to signal handlers.
diff --git a/include/common/defaults.h b/include/common/defaults.h
index 07cb75f..cdc6b7f 100644
--- a/include/common/defaults.h
+++ b/include/common/defaults.h
@@ -166,4 +166,11 @@
#define STATS_VERSION_STRING " version " HAPROXY_VERSION ", released " HAPROXY_DATE
#endif
+/* Maximum signal queue size, and also number of different signals we can
+ * handle.
+ */
+#ifndef MAX_SIGNAL
+#define MAX_SIGNAL 256
+#endif
+
#endif /* _COMMON_DEFAULTS_H */