--- libaitsched/inc/aitsched.h	2012/05/31 22:31:48	1.10
+++ libaitsched/inc/aitsched.h	2012/07/24 13:47:01	1.10.6.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitsched.h,v 1.10 2012/05/31 22:31:48 misho Exp $
+* $Id: aitsched.h,v 1.10.6.1 2012/07/24 13:47:01 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -62,6 +62,7 @@ SUCH DAMAGE.
 #define CRITERIA_VAL	4
 #define CRITERIA_TS	5
 #define CRITERIA_DATA	6
+#define CRITERIA_ID	7
 
 
 /* early declaration for root & task */
@@ -79,6 +80,7 @@ typedef enum {
 	taskSIGNAL,
 	taskEVENT,
 	taskEVENTLO,
+	taskSUSPEND, 
 	taskREADY,
 	taskUNUSE,
 	taskMAX
@@ -108,10 +110,14 @@ struct sched_HooksTask {
 		sched_hook_func_t	event;
 		/* eventlo(sched_task_t *task, NULL) -> int */
 		sched_hook_func_t	eventlo;
+		/* suspend(sched_task_t *task, NULL) -> int */
+		sched_hook_func_t	suspend;
 	}	hook_add;
 	struct {
 		/* cancel(sched_task_t *task, NULL) -> int */
 		sched_hook_func_t	cancel;
+		/* resume(sched_task_t *task, NULL) -> int */
+		sched_hook_func_t	resume;
 		/* run(sched_root_task_t *root, NULL) -> int */
 		sched_hook_func_t	run;
 		/* fetch(sched_root_task_t *root, NULL) -> sched_task_t* */
@@ -197,6 +203,7 @@ struct sched_RootTask {
 	sched_queue_t	root_signal;
 	sched_queue_t	root_event;
 	sched_queue_t	root_eventlo;
+	sched_queue_t	root_suspend;
 	sched_queue_t	root_ready;
 	sched_queue_t	root_unuse;
 	int		root_eventlo_miss;
@@ -289,7 +296,7 @@ int schedCancel(sched_task_t * __restrict task);
  * @root = root task
  * @type = cancel from queue type, if =taskMAX cancel same task from all queues
  * @criteria = find task by criteria 
- * 	[CRITERIA_ANY|CRITERIA_CALL|CRITERIA_ARG|CRITERIA_FD|CRITERIA_VAL|CRITERIA_TS|CRITERIA_DATA]
+ * 	[CRITERIA_ANY|CRITERIA_CALL|CRITERIA_ARG|CRITERIA_FD|CRITERIA_VAL|CRITERIA_ID|CRITERIA_TS|CRITERIA_DATA]
  * @param = search parameter
  * @hook = custom cleanup hook function, may be NULL
  * return: -1 error, -2 error in sub-stage cancel execution, -3 error from custom hook or 0 ok
@@ -457,6 +464,31 @@ sched_task_t *schedEventLo(sched_root_task_t * __restr
 		unsigned long val, void *opt_data, size_t opt_dlen);
 #define schedEventLoSelf(x)	schedEventLo(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
 		TASK_VAL((x)), TASK_DATA((x)), TASK_DATLEN((x)))
+/*
+ * schedSuspend() - Add Suspended task to scheduler queue
+ *
+ * @root = root task
+ * @func = task execution function
+ * @arg = 1st func argument
+ * @id = Trigger ID
+ * @opt_data = Optional data
+ * @opt_dlen = Optional user's trigger flags
+ * return: NULL error or !=NULL new queued task
+ */
+sched_task_t *schedSuspend(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, 
+		unsigned long id, void *opt_data, size_t opt_dlen);
+#define schedSuspendSelf(x)	schedUser(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
+		TASK_VAL((x)), TASK_DATA((x)), TASK_DATLEN((x)))
+/*
+ * schedResumeby() - Resume suspended task
+ *
+ * @root = root task
+ * @criteria = find task by criteria 
+ * 	[CRITERIA_ANY|CRITERIA_ID|CRITERIA_DATA]
+ * @param = search parameter (sched_task_t *task| u_long id)
+ * return: -1 error or 0 resumed ok
+ */
+int schedResumeby(sched_root_task_t * __restrict root, unsigned char criteria, void *param);
 
 /*
  * schedCallOnce() - Call once from scheduler