- /* This flag is set when the above write_protected flag is
- * cleared by the sigbus handler. This is useful for
- * re-scavenging pages that are written during a GC. */
+ /* This flag is set when the above write_protected flag is
+ * cleared by the SIGBUS handler (or SIGSEGV handler, for some
+ * OSes). This is useful for * re-scavenging pages that are
+ * written during a GC. */