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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-05-17 21:02:16 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-05-17 21:02:16 +0000 |
commit | c4d69e21a751d4c907db9e8f4bb9bd38693075b1 (patch) | |
tree | b12402bce88e14077b0b6926293f7121b0c27822 /cpukit/rtems/src/taskdelete.c | |
parent | Thread Handler split into multiple files. Eventually, as RTEMS is (diff) | |
download | rtems-c4d69e21a751d4c907db9e8f4bb9bd38693075b1.tar.bz2 |
Split Task Manager into multiple files. Eventually this effort will
reduce the size of executables.
Diffstat (limited to 'cpukit/rtems/src/taskdelete.c')
-rw-r--r-- | cpukit/rtems/src/taskdelete.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/cpukit/rtems/src/taskdelete.c b/cpukit/rtems/src/taskdelete.c new file mode 100644 index 0000000000..b9a8a47d7a --- /dev/null +++ b/cpukit/rtems/src/taskdelete.c @@ -0,0 +1,101 @@ +/* + * RTEMS Task 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/support.h> +#include <rtems/rtems/modes.h> +#include <rtems/score/object.h> +#include <rtems/score/stack.h> +#include <rtems/score/states.h> +#include <rtems/rtems/tasks.h> +#include <rtems/score/thread.h> +#include <rtems/score/threadq.h> +#include <rtems/score/tod.h> +#include <rtems/score/userext.h> +#include <rtems/score/wkspace.h> +#include <rtems/score/apiext.h> +#include <rtems/score/sysstate.h> + +/*PAGE + * + * rtems_task_delete + * + * This directive allows a thread to delete itself or the thread + * identified in the id field. The executive halts execution + * of the thread and frees the thread control block. + * + * Input parameters: + * id - thread id + * + * Output parameters: + * nothing - if id is the requesting thread (always succeeds) + * RTEMS_SUCCESSFUL - if successful and id is + * not the requesting thread + * error code - if unsuccessful + */ + +rtems_status_code rtems_task_delete( + Objects_Id id +) +{ + register Thread_Control *the_thread; + Objects_Locations location; + Objects_Information *the_information; + + the_thread = _Thread_Get( id, &location ); + switch ( location ) { + + case OBJECTS_REMOTE: +#if defined(RTEMS_MULTIPROCESSING) + _Thread_Dispatch(); + return RTEMS_ILLEGAL_ON_REMOTE_OBJECT; +#endif + + case OBJECTS_ERROR: + return RTEMS_INVALID_ID; + + case OBJECTS_LOCAL: + the_information = _Objects_Get_information( the_thread->Object.id ); + + if ( !the_information ) { + _Thread_Enable_dispatch(); + return RTEMS_INVALID_ID; + /* This should never happen if _Thread_Get() works right */ + } + + _Thread_Close( the_information, the_thread ); + + _RTEMS_tasks_Free( the_thread ); + +#if defined(RTEMS_MULTIPROCESSING) + if ( the_thread->is_global ) { + + _Objects_MP_Close( &_RTEMS_tasks_Information, the_thread->Object.id ); + + _RTEMS_tasks_MP_Send_process_packet( + RTEMS_TASKS_MP_ANNOUNCE_DELETE, + the_thread->Object.id, + 0 /* Not used */ + ); + } +#endif + + _Thread_Enable_dispatch(); + return RTEMS_SUCCESSFUL; + } + + return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ +} |