core: Ensure that el_end is always run when needed.

* Ignore console=yes configuration option in remote console processes.
* Use new flag to tell consolethread to run el_end and exit when needed.

ASTERISK-28158

Change-Id: I9e23b31d4211417ddc88c6bbfd83ea4c9f3e5438

main/asterisk.c

@@ -389,6 +389,7 @@ static struct {
 	 unsigned int need_reload:1;
 	 unsigned int need_quit:1;
 	 unsigned int need_quit_handler:1;
+	 unsigned int need_el_end:1;
 } sig_flags;
 
 #if !defined(LOW_MEMORY)
@@ -2015,10 +2016,9 @@ static void really_quit(int num, shutdown_nice_t niceness, int restart)
 			if (el_hist != NULL) {
 				history_end(el_hist);
 			}
-		} else if (mon_sig_flags == pthread_self()) {
-			if (consolethread != AST_PTHREADT_NULL) {
-				pthread_kill(consolethread, SIGURG);
-			}
+		} else {
+			sig_flags.need_el_end = 1;
+			pthread_kill(consolethread, SIGURG);
 		}
 	}
 	active_channels = ast_active_channels();
@@ -2635,7 +2635,7 @@ static int ast_el_read_char(EditLine *editline, CHAR_T_LIBEDIT *cp)
 		}
 		res = ast_poll(fds, max, -1);
 		if (res < 0) {
-			if (sig_flags.need_quit || sig_flags.need_quit_handler) {
+			if (sig_flags.need_quit || sig_flags.need_quit_handler || sig_flags.need_el_end) {
 				break;
 			}
 			if (errno == EINTR) {
@@ -3163,7 +3163,7 @@ static void ast_remotecontrol(char *data)
 		sprintf(tmp, "%s%s", prefix, data);
 		if (write(ast_consock, tmp, strlen(tmp) + 1) < 0) {
 			ast_log(LOG_ERROR, "write() failed: %s\n", strerror(errno));
-			if (sig_flags.need_quit || sig_flags.need_quit_handler) {
+			if (sig_flags.need_quit || sig_flags.need_quit_handler || sig_flags.need_el_end) {
 				return;
 			}
 		}
@@ -3195,7 +3195,7 @@ static void ast_remotecontrol(char *data)
 			char buffer[512] = "", *curline = buffer, *nextline;
 			int not_written = 1;
 
-			if (sig_flags.need_quit || sig_flags.need_quit_handler) {
+			if (sig_flags.need_quit || sig_flags.need_quit_handler || sig_flags.need_el_end) {
 				break;
 			}
 
@@ -3255,7 +3255,7 @@ static void ast_remotecontrol(char *data)
 	for (;;) {
 		ebuf = (char *)el_gets(el, &num);
 
-		if (sig_flags.need_quit || sig_flags.need_quit_handler) {
+		if (sig_flags.need_quit || sig_flags.need_quit_handler || sig_flags.need_el_end) {
 			break;
 		}
 
@@ -4198,6 +4198,12 @@ static void asterisk_daemon(int isroot, const char *runuser, const char *rungrou
 		el_set(el, EL_GETCFN, ast_el_read_char);
 
 		for (;;) {
+			if (sig_flags.need_el_end) {
+				el_end(el);
+
+				return;
+			}
+
 			if (sig_flags.need_quit || sig_flags.need_quit_handler) {
 				quit_handler(0, SHUTDOWN_FAST, 0);
 				break;

main/options.c

@@ -322,7 +322,9 @@ void load_asterisk_conf(void)
 			ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_QUIET);
 		/* Run as console (-c at startup, implies nofork) */
 		} else if (!strcasecmp(v->name, "console")) {
-			ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_CONSOLE);
+			if (!ast_opt_remote) {
+				ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_CONSOLE);
+			}
 		/* Run with high priority if the O/S permits (-p at startup) */
 		} else if (!strcasecmp(v->name, "highpriority")) {
 			ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_HIGH_PRIORITY);