diff options
Diffstat (limited to 'c/src/tests/tmtests/tm16/task1.c')
-rw-r--r-- | c/src/tests/tmtests/tm16/task1.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/c/src/tests/tmtests/tm16/task1.c b/c/src/tests/tmtests/tm16/task1.c new file mode 100644 index 0000000000..a837c72014 --- /dev/null +++ b/c/src/tests/tmtests/tm16/task1.c @@ -0,0 +1,148 @@ +/* + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * $Id$ + */ + +#include "system.h" +#undef EXTERN +#define EXTERN +#include "conftbl.h" +#include "gvar.h" + +rtems_unsigned32 Task_count; + +rtems_task test_init( + rtems_task_argument argument +); + +rtems_task Middle_tasks( + rtems_task_argument argument +); + +rtems_task High_task( + rtems_task_argument argument +); + +rtems_task Init( + rtems_task_argument argument +) +{ + rtems_id id; + rtems_status_code status; + + puts( "\n\n*** TIME TEST 16 ***" ); + + status = rtems_task_create( + rtems_build_name( 'T', 'E', 'S', 'T' ), + 251, + 2048, + RTEMS_DEFAULT_MODES, + RTEMS_DEFAULT_ATTRIBUTES, + &id + ); + directive_failed( status, "rtems_task_create of test_init" ); + + status = rtems_task_start( id, test_init, 0 ); + directive_failed( status, "rtems_task_start of test_init" ); + + status = rtems_task_delete( RTEMS_SELF ); + directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); +} + +rtems_task test_init( + rtems_task_argument argument +) +{ + rtems_task_priority priority; + rtems_status_code status; + rtems_unsigned32 index; + rtems_task_entry task_entry; + +/* As each task is started, it preempts this task and + * performs a blocking rtems_event_receive. Upon completion of + * this loop all created tasks are blocked. + */ + + priority = 250; + + for( index = 0 ; index <= OPERATION_COUNT ; index++ ) { + status = rtems_task_create( + rtems_build_name( 'M', 'I', 'D', ' ' ), + priority, + 1024, + RTEMS_DEFAULT_MODES, + RTEMS_DEFAULT_ATTRIBUTES, + &Task_id[ index ] + ); + directive_failed( status, "rtems_task_create LOOP" ); + + if ( index == OPERATION_COUNT ) task_entry = High_task; + else task_entry = Middle_tasks; + + status = rtems_task_start( Task_id[ index ], task_entry, 0 ); + directive_failed( status, "rtems_task_start LOOP" ); + + priority--; + } + + Task_count = 0; + + Timer_initialize(); + (void) rtems_event_send( Task_id[ Task_count ], RTEMS_EVENT_16 ); + /* preempts task */ +} + +rtems_task Middle_tasks( + rtems_task_argument argument +) +{ + rtems_event_set event_out; + + (void) rtems_event_receive( /* task blocks */ + RTEMS_EVENT_16, + RTEMS_DEFAULT_OPTIONS, + RTEMS_NO_TIMEOUT, + &event_out + ); + + Task_count++; + + (void) rtems_event_send( /* preempts task */ + Task_id[ Task_count ], + RTEMS_EVENT_16 + ); +} + +rtems_task High_task( + rtems_task_argument argument +) +{ + rtems_event_set event_out; + + (void) rtems_event_receive( /* task blocks */ + RTEMS_EVENT_16, + RTEMS_DEFAULT_OPTIONS, + RTEMS_NO_TIMEOUT, + &event_out + ); + + end_time = Read_timer(); + + put_time( + "rtems_event_send (preemptive)", + end_time, + OPERATION_COUNT, + 0, + CALLING_OVERHEAD_EVENT_SEND + ); + + exit( 0 ); +} |