diff options
Diffstat (limited to 'c/src/exec/rtems/src/eventreceive.c')
-rw-r--r-- | c/src/exec/rtems/src/eventreceive.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/c/src/exec/rtems/src/eventreceive.c b/c/src/exec/rtems/src/eventreceive.c new file mode 100644 index 0000000000..8f9c424ca9 --- /dev/null +++ b/c/src/exec/rtems/src/eventreceive.c @@ -0,0 +1,63 @@ +/* + * Event Manager + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems/system.h> +#include <rtems/rtems/status.h> +#include <rtems/rtems/event.h> +#include <rtems/score/isr.h> +#include <rtems/score/object.h> +#include <rtems/rtems/options.h> +#include <rtems/score/states.h> +#include <rtems/score/thread.h> +#include <rtems/rtems/tasks.h> + +/*PAGE + * + * rtems_event_receive + * + * This directive allows a thread to receive a set of events. + * + * Input parameters: + * event_in - input event condition + * option_set - options + * ticks - number of ticks to wait (0 means wait forever) + * event_out - pointer to output event set + * + * Output parameters: + * event out - event set + * RTEMS_SUCCESSFUL - if successful + * error code - if unsuccessful + */ + +rtems_status_code rtems_event_receive( + rtems_event_set event_in, + rtems_option option_set, + rtems_interval ticks, + rtems_event_set *event_out +) +{ + RTEMS_API_Control *api; + + api = _Thread_Executing->API_Extensions[ THREAD_API_RTEMS ]; + + if ( _Event_sets_Is_empty( event_in ) ) { + *event_out = api->pending_events; + return RTEMS_SUCCESSFUL; + } + + _Thread_Disable_dispatch(); + _Event_Seize( event_in, option_set, ticks, event_out ); + _Thread_Enable_dispatch(); + return( _Thread_Executing->Wait.return_code ); +} |