+extern void set_jcr_job_status(JCR *jcr, int JobStatus);
+
+#ifdef TRACE_JCR_CHAIN
+extern void b_lock_jcr_chain(const char *filen, int line);
+extern void b_unlock_jcr_chain(const char *filen, int line);
+#define lock_jcr_chain() b_lock_jcr_chain(__FILE__, __LINE__);
+#define unlock_jcr_chain() b_unlock_jcr_chain(__FILE__, __LINE__);
+#else