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2000-09-29 Stephan Merker <merker@decrc.abb.de>

Browse Source 
* include/rtems/rtems/ratemon.h, src/ratemonperiod.c,
	src/ratemontimeout.c: Add next_length field so period length
	can be changed by the the sequence period(X), period(not X)
	with no intervening cancel or expiration.
This commit is contained in:
Joel Sherrill
2000-09-29 14:48:17 +00:00
parent 9f30a08bc4
commit bebf0438d6
8 changed files with 42 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
c/src/exec/rtems/ChangeLog
+7
View File
@@ -1,3 +1,10 @@
2000-09-29 Stephan Merker <merker@decrc.abb.de>
* include/rtems/rtems/ratemon.h, src/ratemonperiod.c,
src/ratemontimeout.c: Add next_length field so period length
can be changed by the the sequence period(X), period(not X)
with no intervening cancel or expiration.
2000-09-04 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* optman/Makefile.am, src/Makefile.am: Include compile.am.
c/src/exec/rtems/include/rtems/rtems/ratemon.h
+1
View File
@@ -76,6 +76,7 @@ typedef struct {
rtems_rate_monotonic_period_states state;
unsigned32 owner_ticks_executed_at_period;
unsigned32 time_at_period;
unsigned32 next_length;
Thread_Control *owner;
} Rate_monotonic_Control;
c/src/exec/rtems/src/ratemonperiod.c
+6 -1
View File
@@ -95,6 +95,7 @@ rtems_status_code rtems_rate_monotonic_period(
_Thread_Executing->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
the_period->next_length = length;
_Watchdog_Insert_ticks( &the_period->Timer, length );
_Thread_Enable_dispatch();
@@ -103,10 +104,13 @@ rtems_status_code rtems_rate_monotonic_period(
case RATE_MONOTONIC_ACTIVE:
/*
* This tells the _Rate_monotonic_Timeout that this task is
* in the process of blocking on the period.
* in the process of blocking on the period and that we
* may be changing the length of the next period.
*/
the_period->state = RATE_MONOTONIC_OWNER_IS_BLOCKING;
the_period->next_length = length;
_ISR_Enable( level );
_Thread_Executing->Wait.id = the_period->Object.id;
@@ -140,6 +144,7 @@ rtems_status_code rtems_rate_monotonic_period(
the_period->owner_ticks_executed_at_period =
_Thread_Executing->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
the_period->next_length = length;
_Watchdog_Insert_ticks( &the_period->Timer, length );
_Thread_Enable_dispatch();
c/src/exec/rtems/src/ratemontimeout.c
+7 -2
View File
@@ -44,6 +44,11 @@ void _Rate_monotonic_Timeout(
Objects_Locations location;
Thread_Control *the_thread;
/*
* When we get here, the Timer is already off the chain so we do not
* have to worry about that -- hence no _Watchdog_Remove().
*/
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
case OBJECTS_REMOTE: /* impossible */
@@ -60,14 +65,14 @@ void _Rate_monotonic_Timeout(
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Reset( &the_period->Timer );
_Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
} else if ( the_period->state == RATE_MONOTONIC_OWNER_IS_BLOCKING ) {
the_period->state = RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING;
the_period->owner_ticks_executed_at_period =
the_thread->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Reset( &the_period->Timer );
_Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
} else
the_period->state = RATE_MONOTONIC_EXPIRED;
_Thread_Unnest_dispatch();
cpukit/rtems/ChangeLog
+7
View File
@@ -1,3 +1,10 @@
2000-09-29 Stephan Merker <merker@decrc.abb.de>
* include/rtems/rtems/ratemon.h, src/ratemonperiod.c,
src/ratemontimeout.c: Add next_length field so period length
can be changed by the the sequence period(X), period(not X)
with no intervening cancel or expiration.
2000-09-04 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* optman/Makefile.am, src/Makefile.am: Include compile.am.
cpukit/rtems/include/rtems/rtems/ratemon.h
+1
View File
@@ -76,6 +76,7 @@ typedef struct {
rtems_rate_monotonic_period_states state;
unsigned32 owner_ticks_executed_at_period;
unsigned32 time_at_period;
unsigned32 next_length;
Thread_Control *owner;
} Rate_monotonic_Control;
cpukit/rtems/src/ratemonperiod.c
+6 -1
View File
@@ -95,6 +95,7 @@ rtems_status_code rtems_rate_monotonic_period(
_Thread_Executing->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
the_period->next_length = length;
_Watchdog_Insert_ticks( &the_period->Timer, length );
_Thread_Enable_dispatch();
@@ -103,10 +104,13 @@ rtems_status_code rtems_rate_monotonic_period(
case RATE_MONOTONIC_ACTIVE:
/*
* This tells the _Rate_monotonic_Timeout that this task is
* in the process of blocking on the period.
* in the process of blocking on the period and that we
* may be changing the length of the next period.
*/
the_period->state = RATE_MONOTONIC_OWNER_IS_BLOCKING;
the_period->next_length = length;
_ISR_Enable( level );
_Thread_Executing->Wait.id = the_period->Object.id;
@@ -140,6 +144,7 @@ rtems_status_code rtems_rate_monotonic_period(
the_period->owner_ticks_executed_at_period =
_Thread_Executing->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
the_period->next_length = length;
_Watchdog_Insert_ticks( &the_period->Timer, length );
_Thread_Enable_dispatch();
cpukit/rtems/src/ratemontimeout.c
+7 -2
View File
@@ -44,6 +44,11 @@ void _Rate_monotonic_Timeout(
Objects_Locations location;
Thread_Control *the_thread;
/*
* When we get here, the Timer is already off the chain so we do not
* have to worry about that -- hence no _Watchdog_Remove().
*/
the_period = _Rate_monotonic_Get( id, &location );
switch ( location ) {
case OBJECTS_REMOTE: /* impossible */
@@ -60,14 +65,14 @@ void _Rate_monotonic_Timeout(
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Reset( &the_period->Timer );
_Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
} else if ( the_period->state == RATE_MONOTONIC_OWNER_IS_BLOCKING ) {
the_period->state = RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING;
the_period->owner_ticks_executed_at_period =
the_thread->ticks_executed;
the_period->time_at_period = _Watchdog_Ticks_since_boot;
_Watchdog_Reset( &the_period->Timer );
_Watchdog_Insert_ticks( &the_period->Timer, the_period->next_length );
} else
the_period->state = RATE_MONOTONIC_EXPIRED;
_Thread_Unnest_dispatch();