[Minor] Improve crash logging

src/libserver/worker_util.c

@@ -601,6 +601,7 @@ rspamd_fork_worker (struct rspamd_main *rspamd_main,
 	wrk->finish_actions = g_ptr_array_new ();
 	wrk->ppid = getpid ();
 	wrk->pid = fork ();
+	wrk->cores_throttled = rspamd_main->cores_throttling;
 
 	switch (wrk->pid) {
 	case 0:

src/rspamd.c

@@ -1028,12 +1028,19 @@ rspamd_cld_handler (gint signo, short what, gpointer arg)
 								g_strsignal (WTERMSIG (res)));
 					}
 					else {
+						struct rlimit rlmt;
+						(void)getrlimit (RLIMIT_CORE, &rlmt);
+
 						msg_warn_main (
 								"%s process %P terminated abnormally by signal: %s"
-								" but NOT created core file",
+								" but NOT created core file (throttled=%s); "
+								"core file limits: %L current, %L max",
 								g_quark_to_string (cur->type),
 								cur->pid,
-								g_strsignal (WTERMSIG (res)));
+								g_strsignal (WTERMSIG (res)),
+								cur->cores_throttled ? "yes" : "no",
+								(gint64)rlmt.rlim_cur,
+								(gint64)rlmt.rlim_max);
 					}
 #else
 					msg_warn_main (
@@ -1063,6 +1070,8 @@ rspamd_cld_handler (gint signo, short what, gpointer arg)
 				if (need_refork) {
 					/* Fork another worker in replace of dead one */
 					rspamd_check_core_limits (rspamd_main);
+
+
 					rspamd_fork_delayed (cur->cf, cur->index, rspamd_main);
 				}
 			}

src/rspamd.h

@@ -72,6 +72,7 @@ struct rspamd_worker {
 	guint index;                    /**< index number									*/
 	guint nconns;                   /**< current connections count						*/
 	gboolean wanna_die;             /**< worker is terminating							*/
+	gboolean cores_throttled;       /**< set to true if cores throttling took place		*/
 	gdouble start_time;             /**< start time										*/
 	struct rspamd_main *srv;        /**< pointer to server structure					*/
 	GQuark type;                    /**< process type									*/