X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=ucw%2Fmainloop.h;h=ae1c1e4a65600f44c4ad01d8c28c8f2c9f58fa15;hb=0f73a9b90ec53017512c34f7dab56be3a50d87b1;hp=a1d4e24de000d639b229ae9d2ddbf8d84bdf8891;hpb=bdaf9249a723c04aaea196208aadb256d5bec480;p=libucw.git

diff --git a/ucw/mainloop.h b/ucw/mainloop.h
index a1d4e24d..ae1c1e4a 100644
--- a/ucw/mainloop.h
+++ b/ucw/mainloop.h
@@ -24,10 +24,10 @@
 
 /** The main loop context **/
 struct main_context {
-  timestamp_t now;			/* [*] Current time in milliseconds since the UNIX epoch. See @main_get_time(). */
+  timestamp_t now;			/* [*] Current time in milliseconds since the UNIX epoch. See main_get_time(). */
   ucw_time_t now_seconds;		/* [*] Current time in seconds since the epoch. */
   timestamp_t idle_time;		/* [*] Total time in milliseconds spent by waiting for events. */
-  uns shutdown;				/* [*] Setting this to nonzero forces the @main_loop() function to terminate. */
+  uns shutdown;				/* [*] Setting this to nonzero forces the main_loop() function to terminate. */
   clist file_list;
   clist file_active_list;
   clist hook_list;
@@ -35,6 +35,7 @@ struct main_context {
   clist process_list;
   clist signal_list;
   uns file_cnt;
+  uns single_step;
 #ifdef CONFIG_UCW_EPOLL
   int epoll_fd;				/* File descriptor used for epoll */
   struct epoll_event *epoll_events;
@@ -95,6 +96,13 @@ void main_teardown(void);
  **/
 void main_loop(void);
 
+/**
+ * Perform a single iteration of the main loop.
+ * Check if there are any events ready and process them.
+ * If there are none, do not wait.
+ **/
+void main_step(void);
+
 /** Ask the main loop to terminate at the nearest occasion. **/
 static inline void main_shut_down(void)
 {