--- libaitsched/src/hooks.c 2012/01/24 21:59:47 1.4 +++ libaitsched/src/hooks.c 2012/03/13 10:01:59 1.5 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: hooks.c,v 1.4 2012/01/24 21:59:47 misho Exp $ +* $Id: hooks.c,v 1.5 2012/03/13 10:01:59 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -12,7 +12,7 @@ terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria -Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 +Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -49,6 +49,7 @@ SUCH DAMAGE. /* * sched_hook_init() - Default INIT hook + * * @root = root task * @data = optional data if !=NULL * return: <0 errors and 0 ok @@ -81,6 +82,7 @@ sched_hook_init(void *root, void *data) /* * sched_hook_fini() - Default FINI hook + * * @root = root task * @arg = unused * return: <0 errors and 0 ok @@ -109,6 +111,7 @@ sched_hook_fini(void *root, void *arg __unused) /* * sched_hook_cancel() - Default CANCEL hook + * * @task = current task * @arg = unused * return: <0 errors and 0 ok @@ -154,6 +157,7 @@ sched_hook_cancel(void *task, void *arg __unused) /* * sched_hook_read() - Default READ hook + * * @task = current task * @arg = unused * return: <0 errors and 0 ok @@ -194,6 +198,7 @@ sched_hook_read(void *task, void *arg __unused) /* * sched_hook_write() - Default WRITE hook + * * @task = current task * @arg = unused * return: <0 errors and 0 ok @@ -234,6 +239,7 @@ sched_hook_write(void *task, void *arg __unused) /* * sched_hook_fetch() - Default FETCH hook + * * @root = root task * @arg = unused * return: NULL error or !=NULL fetched task @@ -532,6 +538,7 @@ retry: /* * sched_hook_exception() - Default EXCEPTION hook + * * @root = root task * @arg = custom handling: if arg == EV_EOF or other value; default: arg == NULL log errno * return: <0 errors and 0 ok @@ -558,4 +565,22 @@ sched_hook_exception(void *root, void *arg) /* default case! */ LOGERR; return NULL; +} + +/* + * sched_hook_condition() - Default CONDITION hook + * + * @root = root task + * @arg = killState from schedRun() + * return: NULL kill scheduler loop or !=NULL ok + */ +void * +sched_hook_condition(void *root, void *arg) +{ + sched_root_task_t *r = root; + + if (!r || !ROOT_DATA(r) || !ROOT_DATLEN(r)) + return NULL; + + return (void*) (r->root_cond - *(intptr_t*) arg); }