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authorJoel Sherrill <joel.sherrill@OARcorp.com>1995-08-04 22:17:48 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1995-08-04 22:17:48 +0000
commitea9d7db3b0c547aedd6cde436dcf8064e9364117 (patch)
treec5c1b942c90334ec9364b316ede98f8fbd7d7f0b /cpukit
parentTony's updates (diff)
downloadrtems-ea9d7db3b0c547aedd6cde436dcf8064e9364117.tar.bz2
split out event support functions in anticipation of making a handler
Diffstat (limited to 'cpukit')
-rw-r--r--cpukit/rtems/src/event.c191
1 files changed, 0 insertions, 191 deletions
diff --git a/cpukit/rtems/src/event.c b/cpukit/rtems/src/event.c
index 6a25ae81c3..4390d3ee08 100644
--- a/cpukit/rtems/src/event.c
+++ b/cpukit/rtems/src/event.c
@@ -101,194 +101,3 @@ rtems_status_code rtems_event_receive(
*event_out = _Thread_Executing->events_out;
return( _Thread_Executing->Wait.return_code );
}
-
-/*PAGE
- *
- * _Event_Seize
- *
- * This routine attempts to satisfy the requested event condition
- * for the running thread.
- *
- * Input parameters:
- * event_in - the event condition to satisfy
- * option_set - acquire event options
- * ticks - interval to wait
- *
- * Output parameters: NONE
- *
- * INTERRUPT LATENCY:
- * available
- * wait
- * check sync
- */
-
-void _Event_Seize(
- rtems_event_set event_in,
- rtems_option option_set,
- rtems_interval ticks
-)
-{
- Thread_Control *executing;
- rtems_event_set seized_events;
- rtems_event_set pending_events;
- ISR_Level level;
-
- executing = _Thread_Executing;
- executing->Wait.return_code = RTEMS_SUCCESSFUL;
-
- _ISR_Disable( level );
- pending_events = executing->pending_events;
- seized_events = _Event_sets_Get( pending_events, event_in );
-
- if ( !_Event_sets_Is_empty( seized_events ) &&
- (seized_events == event_in || _Options_Is_any( option_set )) ) {
- executing->pending_events =
- _Event_sets_Clear( pending_events, seized_events );
- _ISR_Enable( level );
- executing->events_out = seized_events;
- return;
- }
-
- if ( _Options_Is_no_wait( option_set ) ) {
- _ISR_Enable( level );
- executing->Wait.return_code = RTEMS_UNSATISFIED;
- executing->events_out = seized_events;
- return;
- }
-
- _Event_Sync = TRUE;
- executing->Wait.option_set = option_set;
- executing->Wait.Extra.event_condition = event_in;
-
- _ISR_Enable( level );
- _Thread_Set_state( executing, STATES_WAITING_FOR_EVENT );
-
- if ( ticks ) {
- _Watchdog_Initialize(
- &executing->Timer,
- _Event_Timeout,
- executing->Object.id,
- NULL
- );
- _Watchdog_Insert_ticks(
- &executing->Timer,
- ticks,
- WATCHDOG_NO_ACTIVATE
- );
- }
-
- _ISR_Disable( level );
- if ( _Event_Sync == TRUE ) {
- _Event_Sync = FALSE;
- if ( ticks )
- _Watchdog_Activate( &executing->Timer );
- _ISR_Enable( level );
- return;
- }
- _ISR_Enable( level );
- (void) _Watchdog_Remove( &executing->Timer );
- _Thread_Unblock( executing );
- return;
-}
-
-/*PAGE
- *
- * _Event_Surrender
- *
- * This routines remove a thread from the specified threadq.
- *
- * Input parameters:
- * the_thread - pointer to thread to be dequeued
- *
- * Output parameters: NONE
- *
- * INTERRUPT LATENCY:
- * before flash
- * after flash
- * check sync
- */
-
-void _Event_Surrender(
- Thread_Control *the_thread
-)
-{
- ISR_Level level;
- rtems_event_set pending_events;
- rtems_event_set event_condition;
- rtems_event_set seized_events;
-
- _ISR_Disable( level );
- pending_events = the_thread->pending_events;
- event_condition = the_thread->Wait.Extra.event_condition;
-
- seized_events = _Event_sets_Get( pending_events, event_condition );
-
- if ( !_Event_sets_Is_empty( seized_events ) ) {
- if ( _States_Is_waiting_for_event( the_thread->current_state ) ) {
- if ( seized_events == event_condition ||
- _Options_Is_any( the_thread->Wait.option_set ) ) {
- the_thread->pending_events =
- _Event_sets_Clear( pending_events, seized_events );
- (rtems_event_set *)the_thread->events_out = seized_events;
-
- _ISR_Flash( level );
-
- if ( !_Watchdog_Is_active( &the_thread->Timer ) ) {
- _ISR_Enable( level );
- _Thread_Unblock( the_thread );
- }
- else {
- _Watchdog_Deactivate( &the_thread->Timer );
- _ISR_Enable( level );
- (void) _Watchdog_Remove( &the_thread->Timer );
- _Thread_Unblock( the_thread );
- }
- return;
- }
- }
- else if ( _Thread_Is_executing( the_thread ) && _Event_Sync == TRUE ) {
- if ( seized_events == event_condition ||
- _Options_Is_any( the_thread->Wait.option_set ) ) {
- the_thread->pending_events =
- _Event_sets_Clear( pending_events,seized_events );
- (rtems_event_set *)the_thread->events_out = seized_events;
- _Event_Sync = FALSE;
- }
- }
- }
- _ISR_Enable( level );
-}
-
-/*PAGE
- *
- * _Event_Timeout
- *
- * This routine processes a thread which timeouts while waiting to
- * receive an event_set. It is called by the watchdog handler.
- *
- * Input parameters:
- * id - thread id
- *
- * Output parameters: NONE
- */
-
-void _Event_Timeout(
- Objects_Id id,
- void *ignored
-)
-{
- Thread_Control *the_thread;
- Objects_Locations location;
-
- the_thread = _Thread_Get( id, &location );
- switch ( location ) {
- case OBJECTS_ERROR:
- case OBJECTS_REMOTE: /* impossible */
- break;
- case OBJECTS_LOCAL:
- the_thread->Wait.return_code = RTEMS_TIMEOUT;
- _Thread_Unblock( the_thread );
- _Thread_Unnest_dispatch();
- break;
- }
-}