Add sudo_ev_dispatch(), a wrapper for ev_loop() with no flags.

Similar the dispatch function in libevent.

include/sudo_event.h

@@ -131,6 +131,10 @@ __dso_public int sudo_ev_add_v1(struct sudo_event_base *head, struct sudo_event
 __dso_public int sudo_ev_del_v1(struct sudo_event_base *head, struct sudo_event *ev);
 #define sudo_ev_del(_a, _b) sudo_ev_del_v1((_a), (_b))
 
+/* Dispatch events, returns SUDO_CB_SUCCESS, SUDO_CB_BREAK or SUDO_CB_ERROR */
+__dso_public int sudo_ev_dispatch_v1(struct sudo_event_base *head);
+#define sudo_ev_dispatch(_a) sudo_ev_dispatch_v1((_a))
+
 /* Main event loop, returns SUDO_CB_SUCCESS, SUDO_CB_BREAK or SUDO_CB_ERROR */
 __dso_public int sudo_ev_loop_v1(struct sudo_event_base *head, int flags);
 #define sudo_ev_loop(_a, _b) sudo_ev_loop_v1((_a), (_b))

lib/util/event.c

@@ -583,6 +583,12 @@ sudo_ev_del_v1(struct sudo_event_base *base, struct sudo_event *ev)
     debug_return_int(0);
 }
 
+int
+sudo_ev_dispatch_v1(struct sudo_event_base *base)
+{
+    return sudo_ev_loop_v1(base, 0);
+}
+
 /*
  * Run main event loop.
  * Returns 0 on success, 1 if no events registered  and -1 on error 

lib/util/util.exp.in

@@ -3,11 +3,11 @@ sudo_conf_askpass_path_v1
 sudo_conf_clear_paths_v1
 sudo_conf_debug_files_v1
 sudo_conf_debugging_v1
+sudo_conf_devsearch_path_v1
 sudo_conf_disable_coredump_v1
 sudo_conf_group_source_v1
 sudo_conf_max_groups_v1
 sudo_conf_noexec_path_v1
-sudo_conf_devsearch_path_v1
 sudo_conf_plugin_dir_path_v1
 sudo_conf_plugins_v1
 sudo_conf_probe_interfaces_v1
@@ -16,7 +16,6 @@ sudo_conf_sesh_path_v1
 sudo_debug_deregister_v1
 sudo_debug_enter_v1
 sudo_debug_execve2_v1
-sudo_debug_exit_v1
 sudo_debug_exit_bool_v1
 sudo_debug_exit_id_t_v1
 sudo_debug_exit_int_v1
@@ -24,9 +23,10 @@ sudo_debug_exit_long_v1
 sudo_debug_exit_ptr_v1
 sudo_debug_exit_size_t_v1
 sudo_debug_exit_ssize_t_v1
-sudo_debug_exit_str_v1
 sudo_debug_exit_str_masked_v1
+sudo_debug_exit_str_v1
 sudo_debug_exit_time_t_v1
+sudo_debug_exit_v1
 sudo_debug_fork_v1
 sudo_debug_get_active_instance_v1
 sudo_debug_get_fds_v1
@@ -48,6 +48,7 @@ sudo_ev_base_alloc_v1
 sudo_ev_base_free_v1
 sudo_ev_base_setdef_v1
 sudo_ev_del_v1
+sudo_ev_dispatch_v1
 sudo_ev_free_v1
 sudo_ev_get_timeleft_v1
 sudo_ev_got_break_v1
@@ -60,7 +61,6 @@ sudo_fatal_callback_deregister_v1
 sudo_fatal_callback_register_v1
 sudo_fatal_nodebug_v1
 sudo_fatalx_nodebug_v1
-sudo_ttyname_dev_v1
 sudo_get_ttysize_v1
 sudo_gethostname_v1
 sudo_gettime_mono_v1
@@ -92,6 +92,7 @@ sudo_term_kill
 sudo_term_noecho_v1
 sudo_term_raw_v1
 sudo_term_restore_v1
+sudo_ttyname_dev_v1
 sudo_vfatal_nodebug_v1
 sudo_vfatalx_nodebug_v1
 sudo_vwarn_nodebug_v1

plugins/sudoers/sudoreplay.c

@@ -598,7 +598,7 @@ xterm_get_size(int *new_rows, int *new_cols)
     /* Read back terminal size response */
     if (sudo_ev_add(evbase, gc.ev, &gc.timeout, false) == -1)
 	sudo_fatal(U_("unable to add event to queue"));
-    sudo_ev_loop(evbase, 0);
+    sudo_ev_dispatch(evbase);
 
     if (gc.state == GOTSIZE) {
 	sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO,
@@ -1035,7 +1035,7 @@ replay_session(double max_delay, const char *decimal, bool interactive)
     }
 
     /* Run event loop. */
-    sudo_ev_loop(closure->evbase, 0);
+    sudo_ev_dispatch(closure->evbase);
     if (sudo_ev_got_break(closure->evbase))
 	ret = 1;
 

src/exec_monitor.c

@@ -617,7 +617,7 @@ exec_monitor(struct command_details *details, sigset_t *oset,
      */
     cstat.type = CMD_INVALID;
     cstat.val = 0;
-    (void) sudo_ev_loop(mc.evbase, 0);
+    (void) sudo_ev_dispatch(mc.evbase);
     if (mc.cmnd_pid != -1) {
 	pid_t pid;
 

src/exec_nopty.c

@@ -415,7 +415,7 @@ exec_nopty(struct command_details *details, struct command_status *cstat)
      * Non-pty event loop.
      * Wait for command to exit, handles signals and the error pipe.
      */
-    if (sudo_ev_loop(ec.evbase, 0) == -1)
+    if (sudo_ev_dispatch(ec.evbase) == -1)
 	sudo_warn(U_("error in event loop"));
     if (sudo_ev_got_break(ec.evbase)) {
 	/* error from callback */

src/exec_pty.c

@@ -1472,7 +1472,7 @@ exec_pty(struct command_details *details, struct command_status *cstat)
      * and pass output from master to stdout and IO plugin.
      */
     add_io_events(ec.evbase);
-    if (sudo_ev_loop(ec.evbase, 0) == -1)
+    if (sudo_ev_dispatch(ec.evbase) == -1)
 	sudo_warn(U_("error in event loop"));
     if (sudo_ev_got_break(ec.evbase)) {
 	/* error from callback or monitor died */
@@ -1606,7 +1606,7 @@ del_io_events(bool nonblocking)
 		}
 	    }
 	}
-	(void) sudo_ev_loop(evbase, 0);
+	(void) sudo_ev_dispatch(evbase);
      
 	/* We should now have flushed all write buffers. */
 	SLIST_FOREACH(iob, &iobufs, entries) {